WO2012052305A1 - Improvements relating to laundry products - Google Patents
Improvements relating to laundry products Download PDFInfo
- Publication number
- WO2012052305A1 WO2012052305A1 PCT/EP2011/067548 EP2011067548W WO2012052305A1 WO 2012052305 A1 WO2012052305 A1 WO 2012052305A1 EP 2011067548 W EP2011067548 W EP 2011067548W WO 2012052305 A1 WO2012052305 A1 WO 2012052305A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fabric
- composition
- kit
- shading dye
- parts
- Prior art date
Links
- 230000006872 improvement Effects 0.000 title description 3
- 239000000203 mixture Substances 0.000 claims abstract description 199
- 239000004744 fabric Substances 0.000 claims abstract description 146
- 238000011282 treatment Methods 0.000 claims abstract description 65
- 239000004094 surface-active agent Substances 0.000 claims abstract description 27
- 125000000129 anionic group Chemical group 0.000 claims abstract description 14
- 238000004140 cleaning Methods 0.000 claims abstract description 7
- 239000002736 nonionic surfactant Substances 0.000 claims description 14
- 150000003856 quaternary ammonium compounds Chemical class 0.000 claims description 12
- 230000003750 conditioning effect Effects 0.000 claims description 10
- 238000004040 coloring Methods 0.000 claims description 3
- 230000002087 whitening effect Effects 0.000 claims description 2
- IHZXTIBMKNSJCJ-UHFFFAOYSA-N 3-{[(4-{[4-(dimethylamino)phenyl](4-{ethyl[(3-sulfophenyl)methyl]amino}phenyl)methylidene}cyclohexa-2,5-dien-1-ylidene)(ethyl)azaniumyl]methyl}benzene-1-sulfonate Chemical compound C=1C=C(C(=C2C=CC(C=C2)=[N+](C)C)C=2C=CC(=CC=2)N(CC)CC=2C=C(C=CC=2)S([O-])(=O)=O)C=CC=1N(CC)CC1=CC=CC(S(O)(=O)=O)=C1 IHZXTIBMKNSJCJ-UHFFFAOYSA-N 0.000 claims 2
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical compound C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 claims 1
- 239000000975 dye Substances 0.000 description 77
- -1 cationic quaternary ammonium compound Chemical class 0.000 description 43
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- 229920006235 chlorinated polyethylene elastomer Polymers 0.000 description 30
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- 239000002304 perfume Substances 0.000 description 23
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- 239000002979 fabric softener Substances 0.000 description 22
- 239000003599 detergent Substances 0.000 description 21
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- 239000003795 chemical substances by application Substances 0.000 description 19
- 239000005720 sucrose Substances 0.000 description 19
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 18
- 125000000217 alkyl group Chemical group 0.000 description 17
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- 235000014113 dietary fatty acids Nutrition 0.000 description 7
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- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 6
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- 125000001183 hydrocarbyl group Chemical group 0.000 description 5
- 239000011630 iodine Substances 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- AXMCIYLNKNGNOT-UHFFFAOYSA-N sodium;3-[[4-[(4-dimethylazaniumylidenecyclohexa-2,5-dien-1-ylidene)-[4-[ethyl-[(3-sulfophenyl)methyl]amino]phenyl]methyl]-n-ethylanilino]methyl]benzenesulfonate Chemical group [Na+].C=1C=C(C(=C2C=CC(C=C2)=[N+](C)C)C=2C=CC(=CC=2)N(CC)CC=2C=C(C=CC=2)S([O-])(=O)=O)C=CC=1N(CC)CC1=CC=CC(S(O)(=O)=O)=C1 AXMCIYLNKNGNOT-UHFFFAOYSA-N 0.000 description 5
- 150000005691 triesters Chemical class 0.000 description 5
- 229920000742 Cotton Polymers 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
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- 238000004061 bleaching Methods 0.000 description 4
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- 230000000694 effects Effects 0.000 description 4
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- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 4
- OSWPMRLSEDHDFF-UHFFFAOYSA-N methyl salicylate Chemical compound COC(=O)C1=CC=CC=C1O OSWPMRLSEDHDFF-UHFFFAOYSA-N 0.000 description 4
- ZIUHHBKFKCYYJD-UHFFFAOYSA-N n,n'-methylenebisacrylamide Chemical compound C=CC(=O)NCNC(=O)C=C ZIUHHBKFKCYYJD-UHFFFAOYSA-N 0.000 description 4
- VKCYHJWLYTUGCC-UHFFFAOYSA-N nonan-2-one Chemical compound CCCCCCCC(C)=O VKCYHJWLYTUGCC-UHFFFAOYSA-N 0.000 description 4
- SJWFXCIHNDVPSH-UHFFFAOYSA-N octan-2-ol Chemical compound CCCCCCC(C)O SJWFXCIHNDVPSH-UHFFFAOYSA-N 0.000 description 4
- 239000012071 phase Substances 0.000 description 4
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- 150000003839 salts Chemical class 0.000 description 4
- 239000004753 textile Substances 0.000 description 4
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- 238000005481 NMR spectroscopy Methods 0.000 description 3
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- 239000002537 cosmetic Substances 0.000 description 1
- LDHQCZJRKDOVOX-NSCUHMNNSA-N crotonic acid Chemical compound C\C=C\C(O)=O LDHQCZJRKDOVOX-NSCUHMNNSA-N 0.000 description 1
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- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- IQDGSYLLQPDQDV-UHFFFAOYSA-N dimethylazanium;chloride Chemical compound Cl.CNC IQDGSYLLQPDQDV-UHFFFAOYSA-N 0.000 description 1
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- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
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- UPPSFGGDKACIKP-UHFFFAOYSA-N p-Tolyl isobutyrate Chemical compound CC(C)C(=O)OC1=CC=C(C)C=C1 UPPSFGGDKACIKP-UHFFFAOYSA-N 0.000 description 1
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- QQBPIHBUCMDKFG-UHFFFAOYSA-N phenazopyridine hydrochloride Chemical group Cl.NC1=NC(N)=CC=C1N=NC1=CC=CC=C1 QQBPIHBUCMDKFG-UHFFFAOYSA-N 0.000 description 1
- JDQVBGQWADMTAM-UHFFFAOYSA-N phenethyl isobutyrate Chemical compound CC(C)C(=O)OCCC1=CC=CC=C1 JDQVBGQWADMTAM-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 229960005323 phenoxyethanol Drugs 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- WVDDGKGOMKODPV-ZQBYOMGUSA-N phenyl(114C)methanol Chemical compound O[14CH2]C1=CC=CC=C1 WVDDGKGOMKODPV-ZQBYOMGUSA-N 0.000 description 1
- 229940100595 phenylacetaldehyde Drugs 0.000 description 1
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- ABLZXFCXXLZCGV-UHFFFAOYSA-N phosphonic acid group Chemical group P(O)(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 description 1
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- 230000002335 preservative effect Effects 0.000 description 1
- 150000003138 primary alcohols Chemical class 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 150000003219 pyrazolines Chemical class 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 239000010499 rapseed oil Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- KUIXZSYWBHSYCN-UHFFFAOYSA-L remazol brilliant blue r Chemical compound [Na+].[Na+].C1=C(S([O-])(=O)=O)C(N)=C2C(=O)C3=CC=CC=C3C(=O)C2=C1NC1=CC=CC(S(=O)(=O)CCOS([O-])(=O)=O)=C1 KUIXZSYWBHSYCN-UHFFFAOYSA-L 0.000 description 1
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- CDAISMWEOUEBRE-UHFFFAOYSA-N scyllo-inosotol Natural products OC1C(O)C(O)C(O)C(O)C1O CDAISMWEOUEBRE-UHFFFAOYSA-N 0.000 description 1
- 229910001379 sodium hypophosphite Inorganic materials 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- RPACBEVZENYWOL-XFULWGLBSA-M sodium;(2r)-2-[6-(4-chlorophenoxy)hexyl]oxirane-2-carboxylate Chemical compound [Na+].C=1C=C(Cl)C=CC=1OCCCCCC[C@]1(C(=O)[O-])CO1 RPACBEVZENYWOL-XFULWGLBSA-M 0.000 description 1
- FJBHGWADYLMEJG-UHFFFAOYSA-M sodium;3-[[4-[[4-(diethylamino)phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]methyl]-n-ethylanilino]methyl]benzenesulfonate Chemical compound [Na+].C1=CC(N(CC)CC)=CC=C1C(C=1C=CC(=CC=1)N(CC)CC=1C=C(C=CC=1)S([O-])(=O)=O)=C(C=C1)C=CC1=[N+](CC)CC1=CC=CC(S([O-])(=O)=O)=C1 FJBHGWADYLMEJG-UHFFFAOYSA-M 0.000 description 1
- RBYJOOWYRXEJAM-UHFFFAOYSA-M sodium;5,9-dianilino-7-phenylbenzo[a]phenazin-7-ium-4,10-disulfonate Chemical compound [Na+].C=1C=CC=CC=1[N+]1=C2C=C(NC=3C=CC=CC=3)C(S(=O)(=O)[O-])=CC2=NC(C2=CC=CC(=C22)S([O-])(=O)=O)=C1C=C2NC1=CC=CC=C1 RBYJOOWYRXEJAM-UHFFFAOYSA-M 0.000 description 1
- MWNQXXOSWHCCOZ-UHFFFAOYSA-L sodium;oxido carbonate Chemical compound [Na+].[O-]OC([O-])=O MWNQXXOSWHCCOZ-UHFFFAOYSA-L 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000992 solvent dye Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
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- 230000003019 stabilising effect Effects 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 125000001273 sulfonato group Chemical group [O-]S(*)(=O)=O 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 230000000475 sunscreen effect Effects 0.000 description 1
- 239000000516 sunscreening agent Substances 0.000 description 1
- NPFVOOAXDOBMCE-UHFFFAOYSA-N trans-3-hexenyl acetate Natural products CCC=CCCOC(C)=O NPFVOOAXDOBMCE-UHFFFAOYSA-N 0.000 description 1
- LDHQCZJRKDOVOX-UHFFFAOYSA-N trans-crotonic acid Natural products CC=CC(O)=O LDHQCZJRKDOVOX-UHFFFAOYSA-N 0.000 description 1
- BJIOGJUNALELMI-UHFFFAOYSA-N trans-isoeugenol Natural products COC1=CC(C=CC)=CC=C1O BJIOGJUNALELMI-UHFFFAOYSA-N 0.000 description 1
- XMLSXPIVAXONDL-UHFFFAOYSA-N trans-jasmone Natural products CCC=CCC1=C(C)CCC1=O XMLSXPIVAXONDL-UHFFFAOYSA-N 0.000 description 1
- 238000005809 transesterification reaction Methods 0.000 description 1
- 229910001428 transition metal ion Inorganic materials 0.000 description 1
- VPYJNCGUESNPMV-UHFFFAOYSA-N triallylamine Chemical compound C=CCN(CC=C)CC=C VPYJNCGUESNPMV-UHFFFAOYSA-N 0.000 description 1
- 150000004961 triphenylmethanes Chemical class 0.000 description 1
- 235000021122 unsaturated fatty acids Nutrition 0.000 description 1
- 235000016788 valerian Nutrition 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 229940117958 vinyl acetate Drugs 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- YEIGUXGHHKAURB-UHFFFAOYSA-N viridine Natural products O=C1C2=C3CCC(=O)C3=CC=C2C2(C)C(O)C(OC)C(=O)C3=COC1=C23 YEIGUXGHHKAURB-UHFFFAOYSA-N 0.000 description 1
- 235000012711 vitamin K3 Nutrition 0.000 description 1
- 239000011652 vitamin K3 Substances 0.000 description 1
- 239000000341 volatile oil Substances 0.000 description 1
- 150000003739 xylenols Chemical class 0.000 description 1
- DGVVWUTYPXICAM-UHFFFAOYSA-N β‐Mercaptoethanol Chemical compound OCCS DGVVWUTYPXICAM-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/40—Dyes ; Pigments
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
Definitions
- composition which comprises a shading dye and a fabric treatment composition other than a main wash composition, which also comprises a shading dye.
- White fabrics discolour with age, due to a range of factors, including residual soiling, autoxidation of residual fatty soil and dye transfer.
- Shading dyes which can provide a very slight blue or purplish tinge, at a level acceptable to the human eye, are a well established route to combating such discolouration.
- fabric treatment products contain materials that are sensitive to UV light and/or transition metal ion catalysed radical auto-oxidation.
- An example of such materials is unsaturated quaternary ammonium compounds. These materials suffer degradation as a result of the aforementioned sources, with an attendant risk of yellowing of fabric treated therewith. The presence of a shading dye also reduces the risk of yellowing from these sources.
- shading dyes are designed to build up on the fabric, so that the desired colour effect gradually builds up.
- the level of shading dye in the laundry composition needs to be chosen with great care.
- the higher the level of shading dye the greater the bluing or purpling effect.
- Our own studies show that this problem is particularly acute where two products containing shading dye are used, for example a wash product and a fabric conditioner product. The combination is prone to deliver too much shading dye, even where each on its own might provide too little.
- US 3,958,928 discloses a dye composition together with methods for its use.
- the dye composition is a mixture of anthraquinone dyes suitable for use with liquid laundry detergents.
- the composition substantially reduces the undesirable fabric staining characteristic of a detergent in which the dye is employed, while still retaining the ability to blue the fabric.
- a wide range of disperse and solvent anthraquinone dyes without long alkyl chains are disclosed which function as shading dyes from homogeneous (isotropic) liquid laundry or granular
- US 6,521 ,581 discloses the use of anthraquinone dyes in a bi-phase (anisotropic) liquid detergent composition with high levels of coloured inorganic salts.
- Our granted European patent EP1794275 B1 discloses a granular laundry treatment composition comprising between 0.0001 to 0.1 wt % of a hydrophobic dye and between 2 to 60 wt % of a surfactant.
- the hydrophobic dye is selected from solvent violet 13 and disperse violet 27 and an anthroquinone.
- Detergent compositions comprising anionic and non-ionic surfactants are preferred.
- Fabric conditioners containing a cationic quaternary ammonium compound are also disclosed.
- This invention enables better control over shading dye delivery with lower risk of over-purpling, without having to drop the shading dye level so low that most consumers would see no benefit.
- a kit of parts for treating fabrics comprising: a) a fabric wash composition comprising a first shading dye in an amount of from 0.1 to 100 ppm and an anionic cleaning surfactant; and b) a fabric treatment composition other than a main wash composition,
- the kit of parts of the invention comprises a fabric wash composition and a fabric treatment composition other than a main wash composition, each having a shading dye.
- kit of parts means a fabric wash composition and a fabric treatment composition, which is separate from the fabric wash composition; said compositions being either collected together physically or associated together by explicit or implicit instructions, for example, by information provided in leaflets, or on posters or websites, or even by a common brand.
- the compositions may simply be cross-referenced to one another.
- the fabric wash composition and the fabric treatment composition may, for example, be packaged in separate containers, in adjoined containers, in separate compartments of the same container or adjoined containers, and so on.
- the fabric wash composition and the fabric treatment composition are packaged in separate containers.
- the fabric composition and the fabric treatment composition are contacted with the fabric in separate stages of the treatment process.
- kit of parts also provides a direction that the fabric wash composition and the fabric treatment composition are used together.
- "used together” means that the compositions are used in a suitable sequence.
- a suitable sequence is one that takes into account the purpose and type of the fabric treatment composition. This means, for example, that the products may be used as part of the same laundry process.
- composition is a rinse added fabric treatment composition, and where the laundry process comprises more than one wash and/or rinse step, there may be one or more intermediate wash and/or rinse steps between the use of the fabric wash composition and the fabric treatment composition of the kit of parts.
- the fabric treatment composition is a pre-treatment
- the fabric treatment composition is applied to the fabric prior to washing with the fabric wash composition of the kit of parts of the invention.
- the kit of parts comprises a fabric wash composition and a fabric treatment composition other than a main wash composition.
- the fabric wash and fabric treatment compositions comprise a first and a second shading dye respectively. These may be the same or different. In a preferred embodiment both
- compositions comprise the same shading dye.
- Different shading dyes give different levels of colouring.
- the level of shading dye present in the compositions for use in the kit of parts depends, therefore, on the type of shading dye. Overall ranges, suitable for the present invention are given below.
- the first shading dye (present in the fabric wash component part of the kit of parts) is present in an amount of from 0.1 to 100 ppm, preferably from 0.5 to 50 ppm, more preferably from 1 to 40 ppm and most preferably from 5 to 25 ppm.
- the shading dye is acid violet 50 (AV50)
- the amount of shading dye is in the range of from 0.5 to 20 ppm, preferably from 3 to 17 ppm and most preferably from 8 to 15 ppm.
- the second shading dye (present in the fabric conditioner component part of the kit of parts) is present in an amount of up to 9 ppm, preferably from 0.5 to 8 ppm, most preferably from 4 to 7 ppm.
- the total amount of shading dye present in the fabric wash composition and the fabric treatment composition is in the range of from 0.2 to 105 ppm, preferably from 0.5 to 75 ppm, more preferably from 1 to 50 ppm and most preferably from 5 to 30 ppm.
- the total amount of shading dye means the amount present in the fabric wash composition plus the amount present in the fabric treatment composition.
- the total amount of shading dye present in both the fabric wash composition and the fabric treatment composition is in the range of from 1 to 25 ppm, preferably from 10 to 25 ppm.
- the ratio of the first shading to the second shading dye is from 1 .5: 1 to 50: 1 , preferably from 1 .5: 1 to 25: 1 , more preferably from 1.5: 1 to 12: 1 and most preferably from 1 .75: 1 to 6: 1 , for example 2: 1 to 6: 1 .
- Preferred dyes are violet or blue. Suitable and preferred classes of dyes are described below. The dyes are the Na salt, unless otherwise stated.
- Cotton substantive acid dyes give benefits to cotton containing garments.
- Preferred dyes and mixes of dyes are blue or violet.
- Preferred acid dyes are: (i) azine dyes, wherein the dye is of the following core structure:
- R a , R b , R c and R d are selected from: H, a branched or linear C1 to C7- alkyl chain, benzyl a phenyl, and a naphthyl;
- the dye is substituted with at least one SO3 " or -COO " group
- the B ring does not carry a negatively charged group or salt thereof
- a ring may further substituted to form a naphthyl
- the dye is optionally substituted by groups selected from: amine, methyl, ethyl, hydroxyl, methoxy, ethoxy, phenoxy, CI, Br, I, F, and NO2.
- Preferred azine dyes are: acid blue 98, acid violet 50, and acid blue 59, more preferably acid violet 50 (AV50) and acid blue 98.
- non-azine acid dyes are acid violet 17, acid black 1 and acid blue 29.
- acid dye is present at 0.0005 wt% to 0.01 wt% of the formulation.
- composition for use in the invention may comprise one or more hydrophobic dyes selected from benzodifuranes, methine, triphenylmethanes, napthalimides, pyrazole, napthoquinone, anthraquinone and mono-azo or di-azo dye
- Hydrophobic dyes are dyes which do not contain any charged water solubilising group. Hydrophobic dyes may be selected from the groups of disperse and solvent dyes. Blue and violet anthraquinone and mono-azo dye are preferred.
- R3 and R4 are selected from optionally substituted polyether groups, C2 to C12 alkyl chains having optionally therein ether (-O-) or ester links, the chain being optionally substituted with -CI, -Br, -CN, -NO2, and -SO2CH3; and, D denotes an aromatic or hetroaromatic group.
- the aromatic rings may be further substituted by preferably - -CI, -Br, -CN, -NO2, - CH 3 , C2H5, -SO2CH3 and -NHCOR and R is selected form CH 3 , C 2 H 5 , and CH 2 CI.
- Basic dyes are organic dyes which carry a net positive charge. They deposit onto cotton. They are of particular utility for used in composition that contain predominantly cationic surfactants. Dyes may be selected from the basic violet and basic blue dyes listed in the Colour Index International. Basic azo and basic phenazine dyes are most preferred.
- Reactive dyes are dyes which contain an organic group capable of reacting with cellulose and linking the dye to cellulose with a covalent bond. They deposit onto cotton.
- the reactive group is hydrolysed or reactive group of the dyes has been reacted with an organic species, for example a polymer, so as to the link the dye to this species.
- Dyes may be selected from the reactive violet and reactive blue dyes listed in the Colour Index International. Preferred examples include reactive blue 19, reactive blue 163, reactive blue 182 and reactive blue 96.
- the Fabric Wash Composition may comprise an anionic cleaning surfactant and optionally other conventional detergent ingredients.
- the composition comprises an amount of anionic cleaning surfactant of from 0.5 to 50 wt %, preferably from 1 to 40 wt %, more preferably from 2 to 35 wt % and most preferably from 5 to 25 wt %, based on the total weight of the fabric wash composition.
- Suitable anionic detergent compounds which may be used are usually water- soluble alkali metal salts of organic sulphates and sulphonates having alkyl radicals containing from about 8 to about 22 carbon atoms, the term alkyl being used to include the alkyl portion of higher acyl radicals.
- suitable synthetic anionic detergent compounds are sodium and potassium alkyl sulphates, especially those obtained by sulphating higher Cs to Ci8 alcohols, produced for example from tallow or coconut oil, sodium and potassium alkyl Cg to C20 benzene sulphonates, particularly sodium linear secondary alkyl C10 to C15 benzene sulphonates; and sodium alkyl glyceryl ether sulphates, especially those ethers of the higher alcohols derived from tallow or coconut oil and synthetic alcohols derived from petroleum.
- the preferred anionic detergent compounds are sodium Cn to C15 alkyl benzene sulphonates and sodium C12 to C18 alkyl sulphates.
- Nonionic detergent compounds include, in particular, the reaction products of compounds having a hydrophobic group and a reactive hydrogen atom, for example, aliphatic alcohols, acids, amides or alkyl phenols with alkylene oxides, especially ethylene oxide either alone or with propylene oxide.
- Specific nonionic detergent compounds are Ce to C22 alkyl phenol-ethylene oxide condensates, generally 5 to 25 EO, i.e.
- surfactant systems are mixtures of anionic with nonionic detergent active materials, in particular the groups and examples of anionic and nonionic surfactants pointed out in EP-A-346 995 (Unilever).
- surfactant system that is a mixture of an alkali metal salt of a Ci6 to Ci 8 primary alcohol sulphate together with a C12 to C15 primary alcohol 3 to 7 EO ethoxylate.
- the nonionic detergent is preferably present in amounts greater than 10 wt %, e.g. 25 to 90 wt % of the surfactant system.
- Anionic surfactants can be present for example in amounts in the range from about 5% to about 40 wt % of the surfactant system .
- nonionic and anionic surfactants of the surfactant system may be chosen from the surfactants described "Surface Active Agents" Vol. 1 , by
- the composition may also comprise an enzymatic detergent composition which comprises from 0.1 to 50 wt %, based on the total detergent composition, of one or more surfactants.
- This surfactant system may in turn comprise 0 to 95 wt % of one or more anionic surfactants and 5 to 100 wt % of one or more nonionic surfactants.
- the surfactant system may additionally contain amphoteric or zwitterionic detergent compounds, but this in not normally desired owing to their relatively high cost.
- the enzymatic detergent composition according to the invention will generally be used as a dilution in water of about 0.05 to 2 wt%.
- the fabric wash composition in addition to the shading dye and anionic cleaning surfactant comprises balance carriers and adjunct ingredients to 100 wt % of the composition.
- compositions may be, for example, surfactants, builders, foam agents, anti-foam agents, solvents, fluorescers, bleaching agents, and enzymes.
- surfactants for example, surfactants, builders, foam agents, anti-foam agents, solvents, fluorescers, bleaching agents, and enzymes.
- the use and amounts of these components are such that the composition performs depending upon economics, environmental factors and use of the composition.
- the fabric wash composition may comprise bleaching species.
- the bleaching species for example, may be selected from perborate and percarbonate. These peroxyl species may be further enhanced by the use of an activator, for example, TAED or SNOBS.
- a transition metal catalyst may be used with the peroxyl species.
- a transition metal catalyst may also be used in the absence of peroxyl species where the bleaching is termed to be via atmospheric oxygen, see, for example WO02/48301 .
- Photobleaches including singlet oxygen photobleaches, may be used with the laundry treatment composition. A preferred photobleach is vitamin K3.
- the fabric wash composition and fabric conditioner may comprise a fluorescent agent (optical brightener).
- fluorescent agents are well known and many such fluorescent agents are available commercially. Usually, these fluorescent agents are supplied and used in the form of their alkali metal salts, for example, the sodium salts.
- the total amount of the fluorescent agent or agents used in laundry treatment composition is generally from 0.005 to 2 wt %, more preferably 0.01 to 0.1 wt %.
- Preferred classes of fluorescer are: Di-styryl biphenyl compounds, e.g. Tinopal (Trade Mark) CBS-X, Di-amine stilbene di-sulphonic acid compounds, e.g.
- Preferred fluorescers are: sodium 2 (4-styryl-3- sulfophenyl)-2H-napthol[1 ,2-d]trazole, disodium 4,4'-bis ⁇ [(4-anilino-6-(N methyl-N- 2 hydroxyethyl) amino 1 ,3,5-triazin-2-yl)]amino ⁇ stilbene-2-2' disulfonate, disodium 4,4'-bis ⁇ [(4-anilino-6-morpholino-1 ,3,5-triazin-2-yl)]amino ⁇ stilbene-2-2' disulfonate, and disodium 4,4'-bis(2-sulfoslyryl)biphenyl.
- the fabric wash composition when diluted in the wash liquor will typically give a pH of the wash liquor from 7 to 10.5 for a main wash detergent.
- Particulate fabric wash compositions are suitably prepared by spray-drying a slurry of compatible heat-insensitive ingredients, and then spraying on or post- dosing those ingredients unsuitable for processing via the slurry.
- the skilled detergent formulator will have no difficulty in deciding which ingredients should be included in the slurry and which should not.
- Particulate fabric wash compositions of the invention preferably have a bulk density of at least 400 g/1 litre, more preferably at least 500 g/litre.
- Especially preferred compositions have bulk densities of at least 650 g/litre, more preferably at least 700 g/litre.
- Such powders may be prepared either by post-tower densification of spray-dried powder, or by wholly non-tower methods such as dry mixing and granulation; in both cases a high-speed mixer/granulator may advantageously be used.
- Liquid fabric wash compositions can be prepared by admixing the essential and optional ingredients thereof to provide compositions containing components in the requisite concentrations.
- a suitable method for the production of a liquid fabric wash composition comprises the following steps: a) preparation of a mix by adding surfactants (preferably comprising synthetic anionic and/or nonionic surfactants) and a base to water under agitation at a temperature of at least 55° having a pH from 7.5 to 1 1 , and
- the surfactants in step a) comprise the synthetic anionic surfactant linear alkylbenzene sulphonate (LAS).
- the base in step a) comprises preferably an alkali metal hydroxide or triethanolamine, more preferably the neutralising agent comprises sodium hydroxide or triethanolamine or mixtures thereof.
- Liquid compositions according to the present invention can also be in compact form which means it will contain a lower level of water compared to a conventional liquid detergent.
- the fabric treatment composition can be in any suitable treatment composition that is not a main wash composition, for example, a pre-treatment composition or a post-wash composition.
- a post wash composition is a rinse added fabric conditioner.
- a preferred fabric treatment composition is a fabric conditioner composition.
- Suitable fabric conditioner compositions for use in the invention comprise a fabric conditioning active.
- Suitable fabric conditioning compositions are described below:- The Fabric Conditioning Active
- the fabric conditioning active is a fabric softening agent.
- the fabric softening agent may be cationic or non-ionic.
- the fabric conditioner composition component part of the kit of parts, in accordance with the invention may be dilute or concentrated.
- Dilute products typically contain up to about 8 wt % (for example from 0.5 to 8 wt %), generally about 2 to 7 wt % by weight of conditioning active, whereas concentrated products may contain up to about 50 wt % (for example from 0.5 to 50 wt %), preferably from about 9 to about 45 wt %, more preferably from 9 to 25 wt % by weight active.
- Compositions of greater than about 20 wt % by weight of active are defined as "super concentrated", depending on the active system, and are also intended to be covered by the present invention.
- the fabric conditioning agent may, for example, be used in amounts of from 0.5 wt % to wt 35 %, preferably from 1 wt % to 30 wt %, more preferably from 2 wt % to 25 wt % and most preferably from 3 wt % to 20 wt % by weight of the composition.
- the preferred fabric softening agent for use in the fabric conditioner compositions in accordance with the invention is a quaternary ammonium compound (QAC).
- QAC quaternary ammonium compound
- the preferred quaternary ammonium compound for use in compositions of the present invention are the so called "ester quats”.
- Particularly preferred materials are the ester-linked triethanolamine (TEA) quaternary ammonium compounds comprising a mixture of mono-, di- and tri- ester linked components.
- TAA ester-linked triethanolamine
- TEA-based fabric softening compounds comprise a mixture of mono, di- and tri-ester forms of the compound where the di-ester linked component comprises no more than 70 % by weight of the fabric softening compound, preferably no more than 60 wt % of the fabric softening compound and at least 10 % of the monoester linked component.
- a preferred hardened type of active has a typical mono:di:tri ester distribution in the range of from 12 to 25 mono from 50 to 65 di and from 15 to 27 tri.
- a soft TEA quat may have a typical mono:di:tri ester distribution of from 25 to 45 %, preferably from 30 to 40 % mono, from 45 to 60 %, preferably from 50 to 60 % di: and from 5 to 25 %, preferably from 5 to 15 % tri; for example 40:60: 10.
- a first group of quaternary ammonium compounds (QACs) suitable for use in the present invention is represented by formula (I):
- TEA ester quats preparations which are rich in the di-esters of triethanolammonium methylsulphate, otherwise referred to as "TEA ester quats".
- StepantexTM UL85 Ex Stepan
- PrapagenTM TQL Ex Clariant
- TetranylTM AHT-1 ex Kao, (both di-[hardened tallow ester] of triethanolammonium methylsulphate), AT-1 (di-[tallow ester] of
- soft quaternary ammonium actives such as Stepantex VK90, Stepantex VT90, SP88 (ex-Stepan), Prapagen TQ (ex-Clariant), Dehyquart AU-57 (ex- Cognis), Rewoquat WE18 (ex-Degussa) and Tetranyl L190 P, Tetranyl L190 SP and Tetranyl L190 S (all ex-Kao) are suitable.
- a second group of QACs suitable for use in the invention is represented by formula (II): (R 1 ) 3 N + -(CH 2 ) n -CH-TR 2 X " (II)
- each R 1 group is independently selected from Ci -4 alkyl, hydroxyalkyl or C2- alkenyl groups; and wherein each R 2 group is independently selected from Cs- 28 alkyl or alkenyl groups; and wherein n, T, and X " are as defined above.
- Preferred materials of this second group include 1 ,2 Jb/s[tallowoyloxy]-3- trimethylammonium propane chloride, 1 ,2 £>/s[hardened tallowoyloxy]-3- trimethylammonium propane chloride, 1 ,2-Jb/s[oleoyloxy]-3-trimethylammonium propane chloride, and 1 ,2 Jb/s[stearoyloxy]-3-trimethylammonium propane chloride.
- Such materials are described in US 4, 137, 180 (Lever Brothers).
- these materials also comprise an amount of the corresponding mono- ester.
- a third group of QACs suitable for use in the invention is represented by formula (III):
- each R 1 group is independently selected from Ci -4 alkyl, or C2- alkenyl groups; and wherein each R 2 group is independently selected from C8-28 alkyl or alkenyl groups; and n, T, and X " are as defined above.
- Preferred materials of this third group include bis(2-tallowoyloxyethyl)dimethyl ammonium chloride, partially hardened and hardened versions thereof.
- the iodine value of the quaternary ammonium fabric conditioning material is preferably from 0 to 80, more preferably from 0 to 60, and most preferably from 0 to 45.
- the iodine value may be chosen as appropriate.
- Essentially saturated material having an iodine value of from 0 to 5, preferably from 0 to 1 may be used in the compositions of the invention. Such materials are known as "hardened" quaternary ammonium compounds.
- a further preferred range of iodine values is from 20 to 60, preferably 25 to 50, more preferably from 30 to 45.
- a material of this type is a "soft" triethanolamine quaternary ammonium compound, preferably triethanolamine di-alkylester methylsulphate. Such ester-linked triethanolamine quaternary ammonium compounds comprise unsaturated fatty chains.
- Iodine value as used in the context of the present invention refers to the measurement of the degree of unsaturation present in a material by a method of nmr spectroscopy as described in Anal. Chem., 34, 1 136 (1962) Johnson and Shoolery.
- a further type of softening compound is a non-ester quaternary ammonium material represented by formula (IV) below:-
- each R 1 group is independently selected from C1-4 alkyl, hydroxyalkyl or C2-4 alkenyl groups; R 2 group is independently selected from C8-28 alkyl or alkenyl groups, and X " is as defined above.
- the fabric treatment compositions for use in the invention may contain a non- cationic fabric softening agent, which is preferably an oily sugar derivative.
- An oily sugar derivative is a liquid or soft solid derivative of a cyclic polyol (CPE) or of a reduced saccharide (RSE), said derivative resulting from 35 to 100 % of the hydroxyl groups in said polyol or in said saccharide being esterified or etherified.
- the derivative has two or more ester or ether groups independently attached to a C8-C22 alkyl or alkenyl chain.
- the CPE or RSE does not have any substantial crystalline character at 20°C. Instead it is preferably in a liquid or soft solid state as herein defined at 20°C.
- liquid or soft solid (as hereinafter defined) CPEs or RSEs suitable for use in the present invention result from 35 to 100% of the hydroxyl groups of the starting cyclic polyol or reduced saccharide being esterified or etherified with groups such that the CPEs or RSEs are in the required liquid or soft solid state.
- These groups typically contain unsaturation, branching or mixed chain lengths.
- the CPEs or RSEs have 3 or more ester or ether groups or mixtures thereof, for example 3 to 8, especially 3 to 5. It is preferred if two or more of the ester or ether groups of the CPE or RSE are independently of one another attached to a Cs to C22 alkyl or alkenyl chain.
- the Cs to C22 alkyl or alkenyl groups may be branched or linear carbon chains.
- Preferably 35 to 85 % of the hydroxyl groups, most preferably 40-80 %, even more preferably 45-75 %, for example 45-70 % are esterified or etherified.
- the CPE or RSE contains at least 35 % tri or higher esters, e.g. at least 40 %.
- the CPE or RSE has at least one of the chains independently attached to the ester or ether groups having at least one unsaturated bond. This provides a cost effective way of making the CPE or RSE a liquid or a soft solid. It is preferred if predominantly unsaturated fatty chains, derived from, for example, rape oil, cotton seed oil, soybean oil, oleic, tallow, palmitoleic, linoleic, erucic or other sources of unsaturated vegetable fatty acids, are attached to the ester/ether groups.
- ester or ether chains of the CPE or RSE.
- the ester or ether chains of the CPE or RSE are preferably predominantly unsaturated.
- Preferred CPEs or RSEs include sucrose tetratallowate, sucrose tetrarapeate, sucrose tetraoleate, sucrose tetraesters of soybean oil or cotton seed oil, cellobiose tetraoleate, sucrose trioleate, sucrose triapeate, sucrose pentaoleate, sucrose pentarapeate, sucrose hexaoleate, sucrose hexarapeate, sucrose triesters, pentaesters and hexaesters of soybean oil or cotton seed oil, glucose tiroleate, glucose tetraoleate, xylose trioleate, or sucrose tetra-,tri-, penta- or hexa- esters with any mixture of predominantly unsaturated fatty acid chains.
- the most preferred CPEs or RSEs are those with monounsaturated fatty acid chains,
- CPEs or RSEs based on polyunsaturated fatty acid chains e.g. sucrose tetralinoleate
- the most highly preferred liquid CPEs or RSEs are any of the above but where the polyunsaturation has been removed through partial hydrogenation.
- Preferably 40 % or more of the fatty acid chains contain an unsaturated bond, more preferably 50 % or more, most preferably 60% or more. In most cases 65 % to 100 %, e.g. 65 % to 95 % contain an unsaturated bond.
- CPEs are preferred for use with the present invention.
- Inositol is a preferred example of a cyclic polyol. Inositol derivatives are especially preferred.
- the term cyclic polyol encompasses all forms of saccharides. Indeed saccharides are especially preferred for use with this invention.
- Examples of preferred saccharides for the CPEs or RSEs to be derived from are monosaccharides and disaccharides. Examples of monosaccharides include xylose, arabinose, galactose, fructose, sorbose and glucose. Glucose is especially preferred. Examples of
- disaccharides include maltose, lactose, cellobiose and sucrose. Sucrose is especially preferred.
- An example of a reduced saccharide is sorbitan.
- the liquid or soft solid CPEs can be prepared by methods well known to those skilled in the art. These include acylation of the cyclic polyol or reduced
- the CPE or RSE has 3 or more, preferably 4 or more ester or ether groups. If the CPE is a disaccharide it is preferred if the disaccharide has 3 or more ester or ether groups. Particularly preferred CPEs are esters with a degree of esterification of 3 to 5, for example, sucrose tri, tetra and penta esters.
- each ring of the CPE has one ether or ester group, preferably at the Ci position.
- Suitable examples of such compounds include methyl glucose derivatives.
- CPEs examples include esters of alkyl(poly)glucosides, in particular alkyl glucoside esters having a degree of polymerisation of 2.
- the length of the unsaturated (and saturated if present) chains in the CPE or RSE is C8-C22, preferably C-I2-C22- It is possible to include one or more chains of d-Cs, however these are less preferred.
- the liquid or soft solid CPEs or RSEs which are suitable for use in the present invention are characterised as materials having a solid: liquid ratio of between 50:50 and 0: 100 at 20°C as determined by T 2 relaxation time NMR, preferably between 43:57 and 0: 100, most preferably between 40:60 and 0: 100, for example, 20:80 and 0: 100.
- the T 2 NMR relaxation time is commonly used for
- any component of the signal with a T 2 of less than 100 ⁇ is considered to be a solid component and any component with T 2 > 100 ⁇ is considered to be a liquid component.
- the prefixes e.g. tetra and penta
- the compounds exist as a mixture of materials ranging from the monoester to the fully esterified ester. It is the average degree of esterification which is used herein to define the CPEs and RSEs.
- the HLB of the CPE or RSE is typically between 1 and 3.
- the CPE or RSE is preferably present in the composition in an amount of 0.5-50% by weight, based upon the total weight of the composition, more preferably 1 -30% by weight, for example 2-25%, e.g. 2-20%.
- the CPEs suitable for use in the compositions of the invention include sucrose tetraoleate, sucrose pentaerucate, sucrose tetraerucate and sucrose pentaoleate.
- Co-softeners may be used, for example fatty acids. When employed, they are typically present at from 0.1 to 20% and particularly at from 0.5 to 10%, based on the total weight of the composition.
- Preferred co-softeners include fatty esters, and fatty N-oxides.
- Fatty esters that may be employed include fatty monoesters, for example glycerol monostearate, fatty sugar esters, for example those disclosed WO 01/46361 (Unilever).
- Preferred fatty acids include hardened tallow fatty acid (available under the tradename PristereneTM, ex Uniqema).
- Preferred fatty alcohols include hardened tallow alcohol (available under the tradenames StenolTM and HydrenolTM, ex Cognis and LaurexTM CS, ex Albright and Wilson).
- compositions for use in the present invention may comprise a fatty acid
- Especially suitable fatty complexing agents include fatty alcohols.
- Fatty complexing material may be used to improve the viscosity profile of the composition.
- the fatty complexing agent is preferably present in an amount greater than 0.3 to 5% by weight based on the total weight of the composition. More preferably, the fatty component is present in an amount of from 0.4 to 4%.
- the weight ratio of the mono-ester component of the quaternary ammonium fabric softening material to the fatty complexing agent is preferably from 5: 1 to 1 :5, more preferably 4: 1 to 1 :4, most preferably 3: 1 to 1 :3, e.g. 2: 1 to 1 :2.
- the fabric treatment compositions for use in the present invention may further comprise a nonionic surfactant. Typically these can be included for the purpose of stabilising the compositions. These are particularly suitable for compositions comprising hardened quaternary ammonium compounds.
- Suitable nonionic surfactants include addition products of ethylene oxide and/or propylene oxide with fatty alcohols, fatty acids and fatty amines. Any of the alkoxylated materials of the particular type described hereinafter can be used as the nonionic surfactant.
- Suitable surfactants are substantially water soluble surfactants of the general formula:
- Y is typically: -O- , -C(0)0- , -C(0)N(R)- or -C(0)N(R)R- in which R has the meaning given above or can be hydrogen; and Z is at least about 8, preferably at least about 10 or 1 1 .
- the nonionic surfactant has an HLB of from about 7 to about 20, more preferably from 10 to 18, e.g. 12 to 16.
- GenapolTM C200 (Clariant) based on coco chain and 20 EO groups is an example of a suitable nonionic surfactant.
- the nonionic surfactant is present in an amount from 0.01 to 10%, more preferably 0.1 to 5 by weight, based on the total weight of the composition.
- the fabric treatment compositions for use in the present invention may further comprise a cationic polymer.
- Cationic polymers suitable for use in this invention include partially cationically substituted quaternary ammonium salts.
- the ratio of unquaternised to quaternised sugar units (n:y) is preferably in the range of from 3 to 30, more preferably from 4 to 25, most preferably from 5 to 20.
- the level of nitrogen in the polymer is in the range of from 0.1 to 1 .5%, more preferably, from 0.3 to 1 .3%, most preferably from 0.5 to 1 .1 % by weight.
- the molecular weight of the polymer is in the range of from 1 ,000 to 1 ,000,000 kDa, preferably from 5,000 to 750,000 kDa, more preferably from 10,000 to 500,000 kDa. Mixtures of polymers may be used.
- polymers are linear in structure.
- suitable materials include cationic derivatives of natural polymers, for example cationically-modified polysaccharides, for example Polyquaternium-10.
- Preferred examples are Polyquaternium 10, UCARE Polymer JR-400, UCARE Polymer LR-400, all ex Dow, and their copolymers.
- the most preferred polymer is UCARE Polymer LR-400.
- the polymer may be used in a liquid base, for example as an aqueous solution or dispersion.
- the polymer solution or dispersion may then be applied directly to fabric, or may be added to the rinse water, preferably the final rinse of a wash process.
- the polymer may be comprised in a textile treatment composition, preferably a fabric conditioning composition, more preferably a rinse added fabric softening composition.
- a textile treatment composition preferably a fabric conditioning composition, more preferably a rinse added fabric softening composition.
- composition suitably ranges from 0.001 % to 1 %, preferably from 0.005 % to 0.5 %, more preferably from 0.01 % to 0.25 % and most preferably from 0.02 to 0.1 % by weight of the total composition.
- Thickening polymers may be added to the fabric treatment compositions of the invention for further thickening.
- Any suitable thickener polymer may be used.
- Suitable polymers are water soluble or dispersable.
- the polymer is cationic.
- Polymers particularly useful in the compositions of the invention include those described in WO2010/078959 (SNF S.A.S.). These are crosslinked water swellable cationic copolymers having at least one cationic monomer and optionally other non-ionic and/or anionic monomers.
- Preferred polymers of this type are copolymers of acrylamide and trimethylaminoethylacrylate chloride.
- Preferred polymers comprise less than 25 % of water soluble polymers by weight of the total polymer, preferably less than 20 %, and most preferably less than 15 %, and a cross-linking agent concentration of from 500 ppm to 5000 ppm relative to the polymer, preferably from 750 ppm to 5000 ppm, more preferably from 1000 to 4500 ppm.
- cross-linking agent concentration must be higher than about 500 ppm relative to the polymer, and preferably higher than about 750 ppm when the crosslinking agent used is the methylene bisacrylamide, or concentrations of other cross-linking agents that lead to equivalent cross-linking levels of from 10 to 10,000 ppm.
- Suitable cationic monomers are selected from the group consisting of the following monomers and derivatives and their quaternary or acid salts:
- non-restrictive list of monomers performing a non-ionic function acrylamide, methacrylamide, N-Alkyl acrylamide, N-vinyl pyrrolidone, N-vinyl formamide, N-vinyl acetamide, vinylacetate, vinyl alcohol, acrylate esters, ally I alcohol.
- monomers performing an anionic function acrylic acid, methacrylic acid, itaconic acid, crotonic acid, maleic acid, fumaric acid, as well as monomers performing a sulfonic acid or phosphonic acid functions, such as 2-acrylamido-2-methyl propane sulfonic acid (ATBS) etc.
- ATBS 2-acrylamido-2-methyl propane sulfonic acid
- the monomers may also contain hydrophobic groups.
- cross-linking agents methylene bisacrylamide (MBA), ethylene glycol diacrylate, polyethylene glycol dimethacrylate,
- the cross-linking rate preferably ranges from 800 to 5000 ppm (on the basis of MBA) relative to the polymer or equivalent cross-linking with a cross-linking agent of different efficiency.
- the degree of non-linearity can additionally be controlled by the inclusion of chain transfer agents (such as isopropyl alcohol, sodium hypophosphite, mercaptoethanol) in the polymerisation mixture in order to control the polymeric chain's length and the cross-linking density.
- chain transfer agents such as isopropyl alcohol, sodium hypophosphite, mercaptoethanol
- the final polymer has a water-soluble polymer fraction ranging below about 25 % by weight of the total polymer (as determined by a metering method such as that described on page 8 of patent EP 343840).
- the amount of polymer used in the compositions of the invention is suitably from 0.001 to 0.5 wt %, preferably from 0.005 to 0.4 wt %, more preferably from 0.05 to 0.35 wt % and most preferably from 0.1 to 0.25 wt %, by weight of the total composition.
- An example of the preferred polymer is Flosoft 270LS ex SNF.
- the fabric treatment composition is a fabric conditioner composition it preferably has a pH ranging from about 2.5 to 6, more preferably from about 2.5 to 4.5 and most preferably about 2.5 to 2.8.
- the compositions for use in the invention may also contain pH modifiers, for example, hydrochloric acid or lactic acid.
- compositions for use in the present invention may comprise one or more perfumes if desired.
- the perfume is preferably present in an amount from 0.01 to 10 % by weight, more preferably from 0.05 to 5 % by weight, even more preferably from 0.1 to 4.0 %, most preferably from 0.15 to 4.0 % by weight, based on the total weight of the composition.
- Useful components of the perfume include materials of both natural and synthetic origin. They include single compounds and mixtures. Specific examples of such components may be found in the current literature, e.g., in Fenaroli's Handbook of Flavor Ingredients, 1975, CRC Press; Synthetic Food Adjuncts, 1947 by M. B. Jacobs, edited by Van Nostrand; or Perfume and Flavor Chemicals by S.
- top-notes examples include citrus oils, linalool, linalyl acetate, lavender, dihydromyrcenol, rose oxide and cis-3-hexanol.
- Top notes typically comprise 15-25%wt of a perfume composition and in those embodiments of the invention which contain an increased level of top-notes it is envisaged at that least 20%wt would be present within the encapsulate.
- perfume or pro-fragrance may be encapsulated.
- Typical perfume components which it is advantageous to encapsulate include those with a relatively low boiling point, preferably those with a boiling point of less than
- perfume components which have a low Clog P (i.e. those which will be partitioned into water), preferably with a Clog P of less than 3.0.
- Clog P i.e. those which will be partitioned into water
- materials, of relatively low boiling point and relatively low Clog P have been called the "delayed blooming" perfume ingredients and include the following materials:
- octanol/water partition coefficient of a perfume raw material is the ratio between its equilibrium concentrations in octanol and water. Given that this measure is a ratio of the equilibrium concentration of a PRM in a non-polar solvent (octanol) with its concentration in a polar solvent (water), ClogP is also a measure of the hydrophobicity of a material-the higher the ClogP value, the more
- ClogP values can be readily calculated from a program called "CLOGP" which is available from Daylight Chemical Information Systems Inc., Irvine Calif., USA. Octanol/water partition coefficients are described in more detail in U.S. Pat. No. 5,578,563.
- Perfume components with a ClogP above 3 comprise: Iso E super, citronellol, Ethyl cinnamate, Bangalol, 2,4,6-Trimethylbenzaldehyde, Hexyl cinnamic aldehyde, 2,6-Dimethyl-2-heptanol, Diisobutylcarbinol, Ethyl salicylate, Phenethyl isobutyrate, Ethyl hexyl ketone, Propyl amyl ketone, Dibutyl ketone, Heptyl methyl ketone, 4,5-Dihydrotoluene, Caprylic aldehyde, Citral, Geranial, Isopropyl benzoate, Cyclohexanepropionic acid, Campholene aldehyde, Caprylic acid, Caprylic alcohol, Cuminaldehyde, 1 -Ethyl-4-nitrobenzene, Heptyl formate,
- Cyclopentadenanolide and Phenyl ethyl 2 phenylacetate 2 It is commonplace for a plurality of perfume components to be present in a formulation. In the compositions for use in the present invention it is envisaged that there will be four or more, preferably five or more, more preferably six or more or even seven or more different perfume components from the list given of delayed blooming perfumes given above and/or the list of perfume components with a ClogP above 3 present in the perfume.
- perfumes with which the present invention can be applied are the so-called 'aromatherapy' materials. These include many components also used in perfumery, including components of essential oils such as Clary Sage, Eucalyptus, Geranium, Lavender, Mace Extract, Neroli, Nutmeg, Spearmint, Sweet Violet Leaf and Valerian.
- compositions for use in the invention may contain one or more other ingredients.
- ingredients include further preservatives (e.g. bactericides), pH buffering agents, perfume carriers, hydrotropes, anti-redeposition agents, soil- release agents, polyelectrolytes, anti-shrinking agents, anti-wrinkle agents, anti- oxidants, sunscreens, anti-corrosion agents, drape imparting agents, anti-static agents, ironing aids, silicones, antifoams, colourants, pearlisers and/or opacifiers, natural oils/extracts, processing aids, e.g. electrolytes, hygiene agents, e.g. anti- bacterials and antifungals, thickeners and skin benefit agents.
- the kit of parts of the invention comprises fabric wash and fabric treatment compositions.
- the compositions of the invention may be in any physical form e.g. a solid, for example a powder or granules, a tablet, a solid bar, a paste, gel, liquid (e.g. an aqueous based liquid).
- the compositions may be non-aqueous, substantially non-aqueous or low water compositions.
- the compositions may be liquid, powder or unit dose compositions.
- the fabric wash compositions for use in the present invention are preferably granular powders or tablets.
- the fabric treatment compositions for use in the present invention are preferably rinse-added softening compositions.
- the fabric treatment composition of the present invention is preferably in liquid form.
- the composition may be a concentrate to be diluted in a solvent, including water, before use.
- the composition may also be a ready-to-use (in-use) composition.
- the composition is provided as a ready to use liquid comprising an aqueous phase.
- the aqueous phase may comprise water-soluble species, for example mineral salts or short chain (Ci -4 ) alcohols.
- the fabric wash and fabric treatment compositions of the present invention are preferably for use in a home textile laundering operation, where, they may be added directly in an undiluted state to a washing machine, e.g. through a dispenser drawer or directly into the drum.
- the fabric wash and fabric treatment compositions may also be used in a domestic hand-washing laundry operation. It is also possible for the compositions of the present invention to be used in industrial laundry operations, e.g. as a finishing agent for softening new clothes prior to sale to consumers.
- the fabric conditioner compositions for use in the kit of parts of the invention may typically be made by combining a melt comprising the fabric softening active with an aqueous phase. Further adjuncts may be combined with the water phase or the melt, or post dosed into the composition after combination of the melt and water phase.
- the skilled formulator will have no difficulty in deciding which ingredients should be included in the water phase and which should be included in the melt and indeed, which may be added by post dosing.
- Examples of the invention are represented by a number. Comparative examples are represented by a letter.
- Example 1 - Compositions of Fabric Washing Powders (WP control & WP1) and Fabric Conditioners (FC control, FC1 , FC2 & FC3).
- WP control & WP1 Fabric Washing Powders
- FC control Fabric Conditioners
- FC control FC1 , FC2 & FC3
- a number of kits of parts were made up, which had a fabric washing powder and a rinse added fabric conditioner, with various levels of shading dye. These fabric washing powders and rinse added fabric conditioners were then used to treat fabric in a sequential manner.
- the shading dye used in the compositions was Acid Violet 50 (AV50).
- the washing powder compositions were designated by the prefix "WP”, whilst the fabric conditioner compositions were designated by the prefix "FC”.
- a washing powder control (WP control) and a fabric conditioner control (FC control) were also prepared, which did not contain shading dye.
- the amount of shading dye in the compositions is summarised in Table 1 below.
- Table 1 Amount (ppm) of shading dye (AV50) in compositions WP control, WP1, FC control, FC1, FC2 and FC3
- compositions of the washing powders are given in Table 2.
- compositions of the fabric conditioners are given in Table 3.
- the washing powders were manufactured as follows:
- a base powder was made by spray drying the bulk of the builders and surfactants. The remaining ingredients, including the shading dye were then post dosed in a drum mixer to form the final product.
- Table 3 Composition of the Fabric Conditioners
- Table 4 Treatment conditions for Kit of Parts A-F - amount of shading dye (AV50) present in the washing powder and fabric conditioner component parts, and the total amount of shading dye in each kit of parts.
- AV50 shading dye
- Example 3 Whiteness of Treated Fabrics The effect of the treatments detailed in Example 2 on the whiteness of the fabrics was measured.
- the whiteness of the fabrics was assessed by measuring the Ganz Whiteness values before and after treatment.
- Ganz Whiteness is a parameter based on measured data, defining consumer preference on whiteness under standard illumination conditions.
- Ultrascan XE with specular reflectance excluded and with a calibrated UV content in the incident light beam are converted to the CIE X, Y and Z tristimulus values employed in colour difference calculations using the standard Northern daylight illuminant D65 and the CIE 10 degree observer weighting functions.
- Kit of parts C gives a big improvement in whiteness.
- the same fabrics were then measured for blueness.
- the results of the blueness measurements are given in Table 6 below.
- the more negative the number the higher the blueness of the fabric.
- a level of blueness of about - 2.0 or more indicates a level of bluing that is unacceptable to the consumer.
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR112013009464-8A BR112013009464B1 (en) | 2010-10-22 | 2011-10-07 | kit of parts for the treatment of fabrics and their use |
EP11764778.4A EP2630222B1 (en) | 2010-10-22 | 2011-10-07 | Improvements relating to laundry products |
BR112013008956A BR112013008956A2 (en) | 2010-10-22 | 2011-10-07 | parts kit for treating fabrics and using the parts kit |
CN201180050873.8A CN103154220B (en) | 2010-10-22 | 2011-10-07 | The improvement relevant with laundry product |
ES11764778.4T ES2532768T3 (en) | 2010-10-22 | 2011-10-07 | Improvements related to laundry products |
ZA2013/00754A ZA201300754B (en) | 2010-10-22 | 2013-01-29 | Improvements relating to laundry products |
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Application Number | Priority Date | Filing Date | Title |
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EP10188483 | 2010-10-22 | ||
EP10188483.1 | 2010-10-22 |
Publications (1)
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WO2012052305A1 true WO2012052305A1 (en) | 2012-04-26 |
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ID=43768982
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Application Number | Title | Priority Date | Filing Date |
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PCT/EP2011/067548 WO2012052305A1 (en) | 2010-10-22 | 2011-10-07 | Improvements relating to laundry products |
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EP (1) | EP2630222B1 (en) |
CN (1) | CN103154220B (en) |
AR (1) | AR083520A1 (en) |
BR (2) | BR112013009464B1 (en) |
ES (1) | ES2532768T3 (en) |
WO (1) | WO2012052305A1 (en) |
ZA (1) | ZA201300754B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2018108517A1 (en) | 2016-12-16 | 2018-06-21 | Unilever N.V. | Laundry rinse aid composition |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018108517A1 (en) | 2016-12-16 | 2018-06-21 | Unilever N.V. | Laundry rinse aid composition |
Also Published As
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CN103154220B (en) | 2015-11-25 |
BR112013009464B1 (en) | 2021-03-02 |
EP2630222A1 (en) | 2013-08-28 |
ES2532768T3 (en) | 2015-03-31 |
CN103154220A (en) | 2013-06-12 |
BR112013008956A2 (en) | 2017-10-17 |
EP2630222B1 (en) | 2014-12-24 |
ZA201300754B (en) | 2014-03-26 |
AR083520A1 (en) | 2013-03-06 |
BR112013009464A2 (en) | 2016-07-12 |
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