WO2007066302A2 - Liquid laundry detergent having improved brightener stability - Google Patents
Liquid laundry detergent having improved brightener stability Download PDFInfo
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- WO2007066302A2 WO2007066302A2 PCT/IB2006/054642 IB2006054642W WO2007066302A2 WO 2007066302 A2 WO2007066302 A2 WO 2007066302A2 IB 2006054642 W IB2006054642 W IB 2006054642W WO 2007066302 A2 WO2007066302 A2 WO 2007066302A2
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- 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
- C11D3/42—Brightening agents ; Blueing agents
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- 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
- C11D1/37—Mixtures of compounds all of which are anionic
-
- 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
- C11D3/16—Organic compounds
- C11D3/26—Organic compounds containing nitrogen
- C11D3/30—Amines; Substituted amines ; Quaternized amines
-
- 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
- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
- C11D1/14—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aliphatic hydrocarbons or mono-alcohols
- C11D1/146—Sulfuric acid esters
-
- 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
- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
- C11D1/22—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aromatic compounds
Definitions
- the present invention relates to laundry detergent compositions with improved stability of water insoluble brightener that contain mid-branched primary alkyl sulfate.
- Optical brighteners have been known in the art for use in laundry detergent compositions and when deposited on fabrics, provide a visual benefit. These are desirable to include in liquid laundry detergent compositions as they may make white clothing look whiter and/or make colored clothing appear brighter, and therefore, newer. Optical brighteners which are more insoluble in water are preferable for deposition on fabrics. However, such brighteners are characteristically more difficult to stably formulate in aqueous liquid laundry compositions.
- MEA monoethanolamine
- MAS surfactants Mid-branched primary alkyl sulfate surfactants having an average carbon chain length of from about 14 to about 17
- MBAS surfactants exhibit good cleaning properties when used as a main chassis surfactant as well as when used in a lower level in combination with other surfactants or in low surfactant detergent compositions.
- the MBAS surfactants with a carbon chain length of about 16 to 17 also referred to as "HSAS surfactants" generally provide better cleaning than those of other chain-lengths.
- use of the HSAS surfactants typically results in an increase in the hydrophobicity of the surfactant system. Without being bound by theory, it has been surprising found that this increased hydrophobicity of the surfactant system appears to lead to decreased brightener stability, even when combined with water insoluble brighteners. One of ordinary skill would have contrarily expected better solubility of the water insoluble brightener with increased surfactant system hydrophobicity.
- a liquid laundry detergent composition with good cleaning that contains water insoluble optical brightener, and still includes the ability to reduce overall surfactant levels by the use of mid-branched primary alkyl sulfate surfactants having an average carbon chain length of from about 16 to about 17.
- laundry detergents especially heavy duty liquid laundry detergents that contain mid-branched primary alkyl sulfate surfactants having an average carbon chain length of from about 16 to about 17 and optical brighteners can be formulated to include HLAS surfactants in order to provide improved water insoluble brightener stability, good fabric cleaning, and cost-effectiveness.
- HLAS surfactants having an average carbon chain length of from about 16 to about 17 and optical brighteners
- the invention encompasses a liquid laundry detergent composition wherein the laundry composition contains an optical brightener and has improved brightener stability.
- Such liquid laundry compositions contain from about 6% to about 20%, by weight of the laundry composition, of a surfactant component from about 0.03% to about 0.2%, by weight of the laundry composition, of the optical brightener wherein the optical brightener is a water-insoluble optical brightener having a water solubility when measured at about 50 0 C of from 0 to about 2g/l; and from about 0.5% to about 4%, by weight of the laundry composition, of monethanolamine.
- the surfactant component contains from about 1% to about 6%, by weight of the laundry composition, of a mid-branched primary alkyl sulfate surfactant having an average carbon chain length of from about 16 to about 17 and from about 0.5% to about 9%, by weight of the laundry composition, of an HLAS surfactant selected from alkyl benzene sulfonic acids, alkali metal salts of C 10- 16 alkyl benzene sulfonic acids.
- the ratio of HLAS surfactant to a total amount of surfactant, on a weight basis is from about 1:14 to about 5:7; the ratio of monoethanolamine to the total amount of surfactant is from about 1:15 to about 1:4; and the ratio of water insoluble brightener to the total amount of surfactant is lower than about 1: 100.
- the invention is directed to such compositions wherein the surfactant component contains from about 1% to about 9%, by weight of the laundry
- composition of the HLAS surfactant.
- the invention is directed to such compositions wherein the ratio of HLAS surfactant to surfactant component, on a weight basis, is from about 1 : 14 to about 1 :2.
- the invention is directed to such compositions wherein the laundry composition contains from about 1.2% to about 4%, by weight of the composition of monoethanolamine and wherein the ratio of monoethanolamine to the total amount of surfactant is from about 1:12 to about 1:6.
- the invention is directed to such compositions wherein the ratio of water insoluble brightener to the total amount of surfactant is lower than about 1:130.
- the invention is directed to such compositions wherein the water-insoluble optical brightener has water solubility measured at about 50 0 C of from about 0.2g/l to about 2g/l.
- the invention is directed to such compositions wherein the water-insoluble optical brightener is selected from disodium 4,4'-bis ⁇ [4-anilino-6morpholino-s- triazin-2-yl]amino ⁇ -2,2'-stilbenedisulfonate; disodium 4,4'-bis-(2-sulfostryl)biphenyl; disodium 4,4'-bis[ ⁇ 4,6-di-anilino-s-triazin-2-yl]-amino ⁇ -2,2' stilbene disulfonate; and mixtures thereof.
- the water-insoluble optical brightener is selected from disodium 4,4'-bis ⁇ [4-anilino-6morpholino-s- triazin-2-yl]amino ⁇ -2,2'-stilbenedisulfonate; disodium 4,4'-bis-(2-sulfostryl)biphenyl; disodium 4,4'-bis[ ⁇ 4,6-di-anilino-
- the invention is directed to such compositions wherein the laundry composition comprises from about 0.03% to about 0.2%, by weight of the laundry composition, of the optical brightener.
- the invention is directed to such compositions wherein the
- HLAS surfactant is selected from Cl 1-14 alkyl benzene sulfonic acids and mixtures thereof. In further embodiments, the invention is directed to such compositions wherein the HLAS surfactant is selected from linear alkyl benzene sulfonates and mixtures thereof.
- the invention is directed to such compositions wherein the HLAS surfactant is selected from sodium linear alkyl benzene sulfonates and mixtures thereof.
- the invention is directed to such compositions wherein the composition contains from about from about 0.5% to about 9%, by weight of the laundry composition, of an HLAS surfactant selected from alkyl benzene sulfonic acids, alkali metal salts of ClO-16 alkyl benzene sulfonic acids.
- an HLAS surfactant selected from alkyl benzene sulfonic acids, alkali metal salts of ClO-16 alkyl benzene sulfonic acids.
- the invention is directed to such compositions wherein the surfactant component further includes an additional surfactant selected from anionic surfactants, nonionic surfactants, methyl ester sulfonates, amine oxide, other cationic surfactants, and mixtures thereof.
- an additional surfactant selected from anionic surfactants, nonionic surfactants, methyl ester sulfonates, amine oxide, other cationic surfactants, and mixtures thereof.
- the invention is directed to such compositions wherein the additional surfactant is selected from AES, nonionic surfactants, and mixtures thereof.
- the invention is directed to such compositions wherein the surfactant component further includes from about 0.2% to about 3% of an additional surfactant selected from nonionic surfactants.
- the invention is directed to such compositions wherein the laundry composition further includes from about 0.5% to about 1.5%, by weight of the laundry composition, of borax.
- the invention is directed to such compositions wherein the laundry composition has a pH of from about 8.0 to about 8.7.
- the invention is directed to such compositions wherein the laundry composition is transparent or translucent.
- the invention is directed to such compositions wherein the laundry composition is stored in a container, wherein said container is transparent or translucent.
- the invention is directed to such compositions wherein the laundry composition further comprises a laundry adjunct ingredient selected from builders, additional brighteners, dye transfer inhibitors, structurants, chelants, polyacrylate polymers, dispersing agents, dyes, perfumes, processing aids, bleaching compounds, solvents, enzymes, microcapsules, beads, soil release polymers, and mixtures thereof.
- a laundry adjunct ingredient selected from builders, additional brighteners, dye transfer inhibitors, structurants, chelants, polyacrylate polymers, dispersing agents, dyes, perfumes, processing aids, bleaching compounds, solvents, enzymes, microcapsules, beads, soil release polymers, and mixtures thereof.
- Another aspect of the invention provides liquid laundry detergent compositions containing an optical brightener and having improved brightener stability, wherein the composition contains: from about 6% to about 20%, by weight of the laundry composition, of a surfactant component, from about 0.03% to about 0.2%, by weight of the laundry composition, of the optical brightener wherein the optical brightener is a water-insoluble optical brightener having a water solubility when measured at about 50 0 C of from 0 to about 2g/l and the optical brightener is selected from disodium 4,4'-bis ⁇ [4-anilino-6morpholino-s-triazin-2-yl]amino ⁇ - 2,2'-stilbenedisulfonate; disodium 4,4'-bis-(2-sulfostryl)biphenyl; disodium 4,4'-bis[ ⁇ 4,6-di- anilino-s-triazin-2-yl]-amino ⁇ -2,2' stilbene disulfonate; and mixtures thereof
- the surfactant component contains from about 1% to about 6%, by weight of the laundry composition, of a mid-branched primary alkyl sulfate surfactant having an average carbon chain length of from about 16 to about 17, and from about 0.5% to about 9%, by weight of the laundry composition, of an HLAS surfactant selected from alkyl benzene sulfonic acids, alkali metal salts of C 10- 16 alkyl benzene sulfonic acids.
- the composition further includes a ratio of HLAS surfactant to a total amount of surfactant component, on a weight basis, of from about 1 : 14 to about 5:7; a ratio of monoethanolamine to total surfactant of from about 1 : 15 to about 1 :4, and a ratio of water insoluble brightener to total surfactant of lower than 1 : 100.
- Another aspect of the invention provides a method of improving the deposition of a water-insoluble brightener onto fabrics, wherein said method comprises at least the step of:
- HLAS surfactant selected from alkyl benzene sulfonic acids, alkali metal salts of C 10- 16 alkyl benzene sulfonic acids;
- optical brightener from about 0.03% to about 0.2%, by weight of the laundry composition, of the optical brightener wherein the optical brightener is a water-insoluble optical brightener having a water solubility when measured at about 50 0 C of from 0 to about 2g/l; and c) from about 0.5% to about 4%, by weight of the laundry composition, of monethanolamine;
- the ratio of HLAS surfactant to a total amount of surfactant component, on a weight basis, is from about 1:14 to about 5:7; the ratio of monoethanolamine to the total amount of surfactant is from about 1:15 to about 1:4; and the ratio of water insoluble brightener to the total amount of surfactant is lower than about 1:100.
- compositions and methods of the present invention are advantageous in providing improved water insoluble brightener stability, while maintaining good cleaning and a cost- effective surfactant system. Additional objects and advantages will be apparent in view of the detailed description of the invention.
- the laundry detergent compositions of the present invention are generally in liquid form.
- compositions are liquid in form and comprise heavy duty liquid compositions.
- compositions of the present invention can include, consist essentially of, or consist of, the components of the present invention as well as other ingredients described herein.
- consisting essentially of means that the composition or component may include additional ingredients, but only if the additional ingredients do not materially alter the basic and novel characteristics of the claimed compositions or methods.
- a liquid laundry composition containing from about 6% to about 20%, by weight of the laundry composition, of a surfactant component that contains from about 1% to about 6%, by weight of the laundry composition, of a mid-branched primary alkyl sulfate surfactant having an average carbon chain length of from about 16 to about 17 and from about 0.5% to about 9%, by weight of the laundry composition, of an HLAS surfactant selected from alkyl benzene sulfonic acids, alkali metal salts of C 10- 16 alkyl benzene sulfonic acids can be combined with from about 0.03% to about 0.2%, by weight of the laundry composition, of a water insoluble optical brightener having a water solubility when measured at about 50 0 C of from 0 to about 2g/l; and from about 0.5% to about 4%, by weight of the laundry composition, of monethanolamine to have improved brightener stability and good cleaning properties while retaining the cost-effectiveness of a lower surfactant system
- compositions herein may also include a wide variety of other ingredients. While the specification concludes with the claims particularly pointing and distinctly claiming the invention, it is believed that the present invention will be better understood from the following description.
- Liquid laundry detergent composition
- liquid laundry detergent composition refers to compositions which are useful for the cleaning of textiles, fabrics, clothing articles, and the like. Such laundry compositions are of a viscosity such that they are pourable or squeezable at room temperature.
- Optical brighteners are well known in the art for use in laundry detergent compositions and when deposited on fabrics to provide a visual benefit as they may make white clothing look whiter and/or make colored clothing appear brighter, and therefore, newer.
- water-insoluble optical brightener refers to those optical brighteners having a water solubility when measured at about 50 0 C of from 0 to about 2g/l. In one embodiment, the optical brightener has water solubility when measured at about 50 0 C of from about 0.2 to about 2g/l.
- the laundry detergent compositions of the present invention comprise from about 0.03% to about 0.2%, by weight of the laundry composition, of the water-insoluble brightener.
- the laundry compositions of the present invention include a ratio of water insoluble brightener to surfactant component that is lower than about 1:100, alternatively the ratio of water insoluble brightener to surfactant component is lower than about 1:130.
- water- insoluble brighteners useful herein include disodium 4,4' -bis ⁇ [4- anilino-6morpholino-s-triazin-2-yl]amino ⁇ -2,2'-stilbenedisulfonate (commercially available under the tradename TINOPAL AMS-GX from Ciba-Geigy or under the name of BLANKOPHOR DML from Miles); disodium 4,4'-bis-(2-sulfostryl)biphenyl (commercially available under the tradename of TINOPHAL CBS from Ciba-Geigy); disodium 4,4'-bis[ ⁇ 4,6- di-anilino-s-triazin-2-yl]-amino ⁇ -2,2' stilbene disulfonate (commercially available under the tradename of TEs[OPHAL TAS from Ciba Geigy),
- the laundry compositions of the present invention contain from about 6% to about 20%, by weight of the laundry composition, of a surfactant component.
- the surfactant component contains HSAS surfactant, HLAS surfactant and may contain other additional surfactants,
- HLAS surfactant refers to alkyl benzene sulfonic acids and alkali metal salts of C 10- 16 alkyl benzene sulfonic acids, preferably Cl 1-14 alkyl benzene sulfonic acids.
- the alkali group can be linear and such linear alkyl benzene sulfonates are known as "LAS".
- the alkali group can be branched as described in United States patents Nos. U.S. 6,593,285; U.S. 6,596,680, U. S. 6,306,817, and U.S. 6,589,927.
- Such surfactants are known in the art as branched alkyl benzene sulfonic acids. Alkyl benzene sulfonates, and particularly LAS, are well known in the art. Such surfactants and their preparation are described for example in U.S. patents 2,220,099 and 2,477,383.
- An example of an HLAS surfactant is sodium linear alkyl benzene sulfonate, commonly referenced as "NaLAS.”
- the composition contains from about 0.5% to about 9%, by weight of the laundry composition, of HLAS and the ratio of HLAS surfactant to a total amount of surfactant component, on a weight basis, is from about 1:14 to about 5:7. In one embodiment, the ratio of HLAS surfactant to a total amount of surfactant component is from about 1: 14 to about 1:2.
- HLAS surfactant should be read to include mixtures of HLAS surfactants
- HSAS surfactant refers to the class of mid-chain branched primary alkyl sulfate surfactants having an average carbon chain length of from about 16 to about 17.
- the surfactant component contains 50% or less, by weight of the surfactant component, of HSAS surfactant.
- the composition contains from about 1% to about 6%, by weight of the laundry composition, of HSAS surfactant.
- HSAS surfactant should be read to also include mixtures of HSAS surfactants.
- the laundry compositions of the present invention comprise mid-chain branched primary alkyl sulfate surfactants having the general formula
- the surfactant component will contain a mixture of at least two mid-chain branched primary alkyl sulfate surfactants. In one embodiment, the surfactant component will also contain a number of other surfactant materials and similar by-products that are present due to the production procedures of such materials. This would be understood by one of ordinary skill in the area of mid-branched primary alkyl sulfate surfactants.
- the mid chain branched primary alkyl sulfate surfactant mixtures of the present invention comprise molecules having a linear primary alkyl sulfate chain backbone (i.e., the longest linear carbon chain which includes the sulfated carbon atom). These alkyl chain backbones comprise from about 6 to about 16 carbon atoms, alternatively from about 13 to about 15 carbon atoms; and further the molecules comprise a branched primary alkyl moiety having at least a total of about 14, but not more than about 17, carbon atoms.
- the mid-chain branched primary alkyl sulfate surfactant mixture has an average total number of carbon atoms for the branched primary alkyl moieties within the range from about 16 to about 17.
- the present invention mixtures comprise at least one branched primary alkyl sulfate surfactant having a longest linear carbon chain of not less than 14 carbon atoms or more than 16 carbon atoms.
- a Cl 6 total carbon primary alkyl sulfate surfactant having 14 carbon atoms in the backbone must have 1 and 2, branching units (i.e., R, RA and/or R3). Whereby total number of carbon atoms in the molecule is from about 16 to about 17. In this example, the C16 total carbon requirement may be satisfied equally by having, for example, one ethyl branching unit or two methyl branching units.
- R, RI, and R ⁇ are each independently selected from hydrogen and C1-C3 alkyl
- R, Rl, and R ⁇ are not all hydrogen. Further, when z is 1 , at least R or RI is not hydrogen.
- laundry compositions does not include molecules wherein the units R, RI , and R ⁇ are all hydrogen (i.e., linear non-branched primary alkyl sulfate surfactants), it is to be recognized that the present invention compositions may still further comprise some amount of linear, non-branched primary alkyl sulfate surfactant.
- this linear non-branched primary alkyl sulfate surfactant may be present as the result of the process used to manufacture the mid chain branched primary alkyl sulfate surfactant mixture having the requisite one or more mid-chain branched primary alkyl sulfate surfactants according to the present invention, or for purposes of formulating detergent compositions some amount of linear non-branched primary alkyl sulfate may be admixed into the final product formulation.
- non-sulfated mid-chain branched alcohol may comprise some amount of the present invention compositions. Such materials may be present as the result of incomplete sulfation of the alcohol used to prepare the mid chain branched primary alkyl sulfate surfactant, or these alcohols may be separately added to the present invention detergent compositions along with a mid-chain branched alkyl sulfate surfactant according to the present invention.
- M is hydrogen or a salt forming cation depending upon the method of synthesis.
- salt forming cations are lithium, sodium, potassium, calcium, magnesium, quaternary alkyl amines having the formula wherein R ⁇ , R4, R5 and R O are independently hydrogen, C ⁇ -C22 alkylene, C4-C22 branched alkylene, Ci -Cg alkanol, C1-C22 alkenylene, C4-C22 branched alkenylene, and mixtures thereof.
- Preferred cations are ammonium (R ⁇ , R4, R5 and R O equal hydrogen), sodium, potassium, mono-, di-, and trialkanol ammonium, and mixtures thereof.
- the monoalkanol ammonium compounds of the present invention have R ⁇ equal to Ci-Cg alkanol, R4, R5 and R ⁇ equal to hydrogen; dialkanol ammonium compounds of the present invention have R ⁇ and R4 equal to C ⁇ -Cg alkanol, R ⁇ and R ⁇ equal to hydrogen; trialkanol ammonium compounds of the present invention have R ⁇ , R4 and R ⁇ equal to Ci -Cg alkanol, R ⁇ equal to hydrogen.
- Preferred alkanol ammonium salts of the present invention are the mono-, di- and tri- quaternary ammonium compounds having the formulas:
- Preferred M is sodium, potassium and the C2 alkanol ammonium salts listed above; most preferred is sodium.
- Certain points of branching i.e., the location along the chain of the R, R.1, and/or R ⁇ moieties in the above formula
- points of branching are preferred over other points of branching along the backbone of the surfactant.
- the formula below illustrates the mid-chain branching range (i.e., where points of branching occur), preferred mid-chain branching range, and more preferred mid-chain branching range for mono-methyl substituted linear alkyl sulfates of the present invention.
- the formula below illustrates the mid-chain branching range, preferred mid-chain branching range, and more preferred mid-chain branching range for di-methyl substituted linear alkyl sulfates of the present invention.
- di-alkyl substituted primary alkyl sulfates When di-alkyl substituted primary alkyl sulfates are combined with mono- substituted mid-chain branched primary alkyl sulfate surfactants, the di-alkyl substituted primary alkyl sulfates having one methyl substitution on the 2-carbon position and another methyl substitution in the preferred range as indicated above, are within the present invention.
- the surfactant component of the present invention includes at least
- the laundry compositions of the present invention contain at least 1%, by weight of the surfactant component, of one or more mid-chain branched primary alkyl sulfate surfactants wherein x + y is equal to 9 or 10 and z is 2.
- the mid-branched primary alkyl sulfate surfactant has the formula:
- a and b are integers and a+b is 12 or 13, a is an integer from 2 to 11, b
- M is an integer from 1 to 10 and M is selected from sodium, potassium,
- ammonium and substituted ammonium More preferred embodiments of such compounds include an alkyl sulfate compound of said formula wherein M is selected from sodium, potassium and ammonium.
- mid-chain branched primary alkyl sulfate compounds have the formula:
- d and e are integers and d+e is 10 or 11; and wherein further
- M is selected from sodium, potassium, ammonium and substituted ammonium, more preferably sodium, potassium and ammonium, most preferably sodium.
- mono-methyl branched primary alkyl sulfate surfactants are selected from the group consisting of: 3-methyl pentadecanol sulfate, 4-methyl pentadecanol sulfate, 5- methyl pentadecanol sulfate, 6-methyl pentadecanol sulfate, 7-methyl pentadecanol sulfate, 8- methyl pentadecanol sulfate, 9-methyl pentadecanol sulfate, 10-methyl pentadecanol sulfate, 11- methyl pentadecanol sulfate, 12-methyl pentadecanol sulfate, 13-methyl pentadecanol sulfate, 3- methyl hexadecanol sulfate, 4-methyl hexadecanol sulfate, 5 -methyl hexadecanol sulfate,
- di-methyl branched primary alkyl sulfate surfactants are selected from the group consisting of: 2,3-methyl tetradecanol sulfate, 2,4-methyl tetradecanol sulfate, 2,5-methyl tetradecanol sulfate, 2,6-methyl tetradecanol sulfate, 2,7-methyl tetradecanol sulfate, 2,8-methyl tetradecanol sulfate, 2,9-methyl tetradecanol sulfate, 2, 10-methyl tetradecanol sulfate, 2,11-methyl tetradecanol sulfate, 2,12-methyl tetradecanol sulfate, 2,3-methyl pentadecanol sulfate, 2,4-methyl pentadecanol sulfate, 2,5-methyl pentadecanol sulfate, 2,6-
- mid-branched primary alkyl sulfate surfactants comprising 16 carbon atoms and having one branching unit are examples of branched surfactants useful in the laundry compositions of the present invention:
- branched primary alkyl sulfates comprising 17 carbon atoms and having two branching units are examples of branched surfactants useful in the laundry compositions of the present invention:
- M is preferably sodium
- composition of the present invention may further comprise from about 0.5% to about
- compositions of the present invention may further comprise from about 0.2 - 3% of alkyl alkoxy surfactants, and mixtures thereof.
- the surfactant component includes from about 0.2% to about 3%, by weight of the laundry composition, alternatively from about 0.2% to about 2%, of an additional surfactant selected from nonionic surfactants,
- the additional surfactant may include at least 2%, by weight of the composition, of an alkyl alkoxy sulfate surfactant.
- the alkyl ethoxy sulfate surfactants useful herein include water soluble salts and/or acids of the formula RO(A) 1n SC ⁇ M wherein R is an unsubstituted C10-C24 alkyl or hydroxyalkyl group having a CXQ-C24 alkyl component, alternatively a C ⁇ 2-Cig alkyl or hydroxyalkyl, alternatively a C12-C15 alkyl or hydroxyalkyl.
- A is an ethoxy or propoxy unit
- m is greater than zero, typically between about 0.5 and about 6, alternatively between about 0.5 and about 3
- M is H or a cation which can be, for example, a metal cation (e.g., sodium, potassium, lithium, calcium, magnesium, etc.), ammonium and/or substituted-ammonium cation.
- a metal cation e.g., sodium, potassium, lithium, calcium, magnesium, etc.
- Alkyl ethoxylated sulfates as well as alkyl propoxylated sulfates are useful herein.
- substituted ammonium cations include ethanol-, Methanol-, methyl-, dimethyl, trimethyl- ammonium cations and quaternary ammonium cations such as tetramethyl-ammonium and dimethyl piperidinium cations and those derived from alkylamines such as ethylamine, diethylamine, triethylamine, mixtures thereof, and the like.
- Alkyl alkoxylated sulfate surfactants useful herein include C12-C15 alkyl polyethoxylate (1.0) sulfate (C ⁇ 2-Ci5E(1.0)M); C12-C15 alkyl polyethoxylate (2.25) sulfate (Ci2-Ci5E(2.25)M); C12-C15 alkyl polyethoxylate (3.0) sulfate (C ⁇ 2-Ci5E(3.0)M); C12-C15 alkyl polyethoxylate (4.0) sulfate (Ci2-Ci5E(4.0)M), wherein M is conveniently selected from sodium and potassium; and mixtures thereof.
- the additional surfactant may include from about 0.2% to about 3%, by weight of the composition, of a nonionic surfactant that is an alkyl alkoxy surfactant.
- alkyl alkoxy surfactants useful herein typically at levels from about 0.2% to about 3%, by weight of the composition
- examples of alkyl alkoxy surfactants useful herein include the alkoxylated alcohols (AE's) and alkyl phenols, polyhydroxy fatty acid amides (PFAA's), alkyl polyglycosides (APG's), C ⁇ Q -C ⁇ g glycerol ethers, and mixtures thereof
- the condensation products of primary and secondary aliphatic alcohols with from about 1 to about 25 moles of ethylene oxide (AE) are suitable for use herein as an alkyl alkoxy surfactant.
- the alkyl chain of the aliphatic alcohol can either be straight or branched, primary or secondary, and generally contains from about 8 to about 22 carbon atoms.
- the alkyl alkoxy surfactant is selected from the condensation products of alcohols having an alkyl group containing from about 8 to about 20 carbon atoms, more preferably from about 10 to about 18 carbon atoms, with from about 1 to about 10 moles, preferably 2 to 7, most preferably 2 to 5, of ethylene oxide per mole of alcohol.
- the alkyl alkoxy surfactants are the C9-C45 primary alcohol ethoxylates containing
- ethylene oxide per mole of alcohol particularly the C12-C15 primary alcohols containing 5-10 moles of ethylene oxide per mole of alcohol.
- examples of commercially available surfactants of this type include: Tergitol ⁇ M 15-S-9 (the condensation product of C ⁇ ⁇ -C ⁇ 5 linear alcohol with 9 moles ethylene oxide) and
- TergitolTM 24-L-6 NMW (the condensation product of C ⁇ 2-C ⁇ 4 primary alcohol with 6 moles ethylene oxide with a narrow molecular weight distribution), both marketed by Union Carbide Corporation; Neodol ⁇ M 45.9 (the condensation product of C14-C15 linear alcohol with 9 moles of ethylene oxide), Neodol ⁇ M 23-3 (the condensation product of C12-C13 linear alcohol with 3 moles of ethylene oxide), Neodol ⁇ M 45.7 ⁇ j 16 condensation product of C14-C15 linear alcohol with 7 moles of ethylene oxide) and Neodol ⁇ M 45.5 ⁇ j 16 condensation product of C14-C15 linear alcohol with 5 moles of ethylene oxide) marketed by Shell Chemical Company; KyroTM EOB (the condensation product of C13-C15 alcohol with 9 moles ethylene oxide), marketed by
- Genapol LA 030 or 050 the condensation product of C ⁇ 2-C ⁇ 4 alcohol with 3 or 5 moles of ethylene oxide
- Genapol LA 030 or 050 the condensation product of C ⁇ 2-C ⁇ 4 alcohol with 3 or 5 moles of ethylene oxide
- Condensates with propylene oxide and butylene oxides may also be used.
- the laundry compositions of the present invention include from about 0.5% to about 4%, by weight of the laundry composition, of monethanolamine ("MEA").
- MEA monethanolamine
- the ratio of MEA to total surfactant, on a weight basis is from about 1:15 to about 1:4, alternatively is from about 1:12 to about 1:6.
- alkanolamines can be used as alternatives to MEA.
- Suitable alkanolamine such as diethanolamine and triethanolamine and mixtures of thereof with one another and MEA.
- the preferred level of alkanolamines and mixtures of thereof range from about 0.5% to about 4.0%.
- the alkanolamine is in salt form, e.g., having been used to neutralize the acid form of a surfactant.
- the laundry compositions of the present invention may further contain from about 0.5% to about 1.5%, by weight of the laundry composition, of borax. Without being limited by theory, it is believed that the inclusion of this level of borax will sufficient enzyme stability. EH
- the liquid laundry detergent compositions of the present invention may have a pH of from about 8.0 to about 8.7.
- the liquid laundry detergent compositions of the present invention may be formulated so as to be transparent or translucent or may be formulated to be opaque, or to have any degree of opacity or transparency desired.
- the liquid laundry detergent compositions of the present invention may be packaged in a container/bottle having any degree of transparency or opacity desired.
- the liquid laundry detergent compositions of the present invention may be stored in a container/bottle, wherein said container/bottle is transparent or translucent.
- a transparent or translucent composition has about 50% transmittance or greater of light using 1 cm cuvette at wavelength of 410-800 nanometers.
- a bottle or container for transporting and holding the liquid laundry detergents of the present invention may have a transmittance of more or less than 25%, alternatively more than 30%, alternatively more than 40%, alternatively more than 50% in the visible part of the spectrum (approx. 410-800 nm).
- a transparent bottle has light transmittance of greater than 25% at wavelength of about 410-800 nm.
- Bottle materials with may be used to form bottles to contain the liquid laundry detergents of the present invention include; polypropylene (PP), polyethylene (PE), polycarbonate (PC), polyamides (PA) and/or polyethylene terephthalate (PETE), polyvinylchloride (PVC); and polystyrene (PS).
- PP polypropylene
- PE polyethylene
- PC polycarbonate
- PA polyamides
- PETE polyethylene terephthalate
- PVC polyvinylchloride
- PS polystyrene
- the container or bottle is considered to be transparent/translucent.
- Containers or bottles for transporting or holding the liquid detergent compositions of the present invention may be of any form or size suitable for storing and packaging liquids for household use .
- the container may have any size but usually the container will have a maximal capacity of 0.05 to 15 L, preferably, 0.1 to 5 L, more preferably from 0.2 to 2.5 L.
- the container is suitable for easy handling.
- the container may have handle or a part with such dimensions to allow easy lifting or carrying the container with one hand.
- the container preferably has a means suitable for pouring the liquid detergent composition and means for reclosing the container.
- the pouring means may be of any size of form but, preferably will be wide enough for convenient dosing the liquid detergent composition.
- the closing means may be of any form or size but usually will be screwed or clicked on the container to close the container.
- the closing means may be cap which can be detached from the container. Alternatively, the cap can still be attached to the container, whether the container is open or closed.
- the closing means may also be incorporated in the container.
- adjunct ingredients such as dyes, opacifiers, UV absorbents and/or combinations thereof.
- the liquid laundry detergent compositions of the present invention may contain one or more laundry adjunct ingredients.
- laundry adjunct ingredients useful herein include builders (for example, citric acid), additional brighteners, dye transfer inhibitors, structurants, chelants, polyacrylate polymers, dispersing agents, dyes, perfumes, processing aids, bleaching compounds, solvents, enzymes, microcapsules, beads, soil release polymers, and mixtures thereof.
- detersive enzymes other than borax enzyme stabilizers (such as polyols, glycerol, propandiol, diethylene glycol, etc), builders, chelants, polymers, suds suppressors, soil suspending agents, soil release agents, pH adjusting agents, smectite clays, dye transfer inhibiting agents, other fabric care benefit agents, perfumes coloring agents, and aqueous liquid carrier.
- detersive enzymes other than borax enzyme stabilizers (such as polyols, glycerol, propandiol, diethylene glycol, etc)
- builders chelants
- polymers such as polymers, suds suppressors, soil suspending agents, soil release agents, pH adjusting agents, smectite clays, dye transfer inhibiting agents, other fabric care benefit agents, perfumes coloring agents, and aqueous liquid carrier.
- suds suppressors such as polyols, glycerol, propandiol, diethylene glycol, etc
- builders such as poly
- the total amount of such optional detergent composition ingredients can range from about 0.01% to about 50%, more preferably from about 0.01% to about 40%, and preferably from about 0.1 % to about 30% by weight of the composition.
- enzymes useful herein include; hemicellulases, peroxidases, proteases, cellulases, xylanases, lipases, phospholipases, esterases, cutinases, pectinases, keratanases, reductases, oxidases, phenoloxidases, lipoxygenases, ligninases, pullulanases, tannases, pentosanases, malanases, ⁇ -glucanases, arabinosidases, hyaluronidases, chondroitinases, laccases, amylases, or mixtures thereof. Other types of enzymes may also be included. Enzymes useful herein may be of any suitable origin, such as vegetable, animal, bacterial, fungal and yeast origin. Suitable enzymes are commercially available from a number of sources, including Genecor and Novozymes. Methods of Use
- compositions of the present invention may be used in laundry methods to improve the deposition of water-insoluble brightener onto fabrics.
- Such methods may include the steps of:
- HLAS surfactant selected from alkyl benzene sulfonic acids, alkali metal salts of C 10- 16 alkyl benzene sulfonic acids;
- optical brightener from about 0.03% to about 0.2%, by weight of the laundry composition, of the optical brightener wherein the optical brightener is a water-insoluble optical brightener having a water solubility when measured at about 50 0 C of from 0 to about 2g/l;
- the ratio of HLAS surfactant to a total amount of surfactant component, on a weight basis is from about 1:14 to about 5:7, alternatively from about 1:14 to about 1:2; the ratio of MEA to total surfactant is from about 1: 15 to about 1:4, alternatively from about 1:12 to about 1:6; the ratio of water insoluble brightener to total surfactant is lower than 1:100, alternatively lower than 1:130
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002628829A CA2628829A1 (en) | 2005-12-07 | 2006-12-06 | Liquid laundry detergent having improved brightener stability |
JP2008543981A JP2009518493A (en) | 2005-12-07 | 2006-12-06 | Liquid laundry detergent with improved brightener stability |
BRPI0619506-7A BRPI0619506A2 (en) | 2005-12-07 | 2006-12-06 | laundry liquid composition comprising an optical brightener, having improved bleach stability and method for improving the deposition of a water insoluble bleach on fabrics |
EP06832127A EP1957622A2 (en) | 2005-12-07 | 2006-12-06 | Liquid laundry detergent having improved brightener stability |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US74825605P | 2005-12-07 | 2005-12-07 | |
US60/748,256 | 2005-12-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2007066302A2 true WO2007066302A2 (en) | 2007-06-14 |
WO2007066302A3 WO2007066302A3 (en) | 2007-10-11 |
Family
ID=38006785
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB2006/054642 WO2007066302A2 (en) | 2005-12-07 | 2006-12-06 | Liquid laundry detergent having improved brightener stability |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1957622A2 (en) |
JP (1) | JP2009518493A (en) |
BR (1) | BRPI0619506A2 (en) |
CA (1) | CA2628829A1 (en) |
WO (1) | WO2007066302A2 (en) |
ZA (1) | ZA200804261B (en) |
Cited By (10)
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WO2014137771A1 (en) * | 2013-03-04 | 2014-09-12 | The Procter & Gamble Company | Premix containing optical brightener |
US9253978B2 (en) | 2008-03-28 | 2016-02-09 | Ecolab USA, Inc. | Sulfoperoxycarboxylic acids, their preparation and methods of use as bleaching and antimicrobial agents |
US9290448B2 (en) | 2008-03-28 | 2016-03-22 | Ecolab USA, Inc. | Sulfoperoxycarboxylic acids, their preparation and methods of use as bleaching and antimicrobial agents |
US9540598B2 (en) | 2008-03-28 | 2017-01-10 | Ecolab Usa Inc. | Detergents capable of cleaning, bleaching, sanitizing and/or disinfecting textiles including sulfoperoxycarboxylic acids |
WO2017046282A1 (en) * | 2015-09-17 | 2017-03-23 | Henkel Ag & Co. Kgaa | Transparent liquids, in particular fabric treatment agents, containing perfume and microcapsules with an odor modulator compound |
US9902627B2 (en) | 2011-12-20 | 2018-02-27 | Ecolab Usa Inc. | Stable percarboxylic acid compositions and uses thereof |
US9926214B2 (en) | 2012-03-30 | 2018-03-27 | Ecolab Usa Inc. | Use of peracetic acid/hydrogen peroxide and peroxide-reducing agents for treatment of drilling fluids, frac fluids, flowback water and disposal water |
US10165774B2 (en) | 2013-03-05 | 2019-01-01 | Ecolab Usa Inc. | Defoamer useful in a peracid composition with anionic surfactants |
US10640903B2 (en) | 2017-06-13 | 2020-05-05 | The Procter & Gamble Company | Process for treating at least one garment |
US10893674B2 (en) | 2013-03-05 | 2021-01-19 | Ecolab Usa Inc. | Efficient stabilizer in controlling self accelerated decomposition temperature of peroxycarboxylic acid compositions with mineral acids |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US8822719B1 (en) | 2013-03-05 | 2014-09-02 | Ecolab Usa Inc. | Peroxycarboxylic acid compositions suitable for inline optical or conductivity monitoring |
WO2016023145A1 (en) * | 2014-08-11 | 2016-02-18 | The Procter & Gamble Company | Laundry detergent |
CN107090366A (en) * | 2017-05-15 | 2017-08-25 | 广州市丽高洗涤用品有限公司 | A kind of cold water detergent and preparation method thereof |
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- 2006-12-06 CA CA002628829A patent/CA2628829A1/en not_active Abandoned
- 2006-12-06 JP JP2008543981A patent/JP2009518493A/en not_active Withdrawn
- 2006-12-06 WO PCT/IB2006/054642 patent/WO2007066302A2/en active Application Filing
- 2006-12-06 BR BRPI0619506-7A patent/BRPI0619506A2/en not_active IP Right Cessation
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Cited By (25)
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US10077415B2 (en) | 2008-03-28 | 2018-09-18 | Ecolab Usa Inc. | Detergents capable of cleaning, bleaching, sanitizing and/or disinfecting textiles including sulfoperoxycarboxylic acids |
US9540598B2 (en) | 2008-03-28 | 2017-01-10 | Ecolab Usa Inc. | Detergents capable of cleaning, bleaching, sanitizing and/or disinfecting textiles including sulfoperoxycarboxylic acids |
US11827867B2 (en) | 2008-03-28 | 2023-11-28 | Ecolab Usa Inc. | Sulfoperoxycarboxylic acids, their preparation and methods of use as bleaching and antimicrobial agents |
US9359295B2 (en) | 2008-03-28 | 2016-06-07 | Ecolab USA, Inc. | Sulfoperoxycarboxylic acids, their preparation and methods of use as bleaching and antimicrobial agents |
US11015151B2 (en) | 2008-03-28 | 2021-05-25 | Ecolab Usa Inc. | Sulfoperoxycarboxylic acids, their preparation and methods of use as bleaching and antimicrobial agents |
US10669512B2 (en) | 2008-03-28 | 2020-06-02 | Ecolab Usa Inc. | Sulfoperoxycarboxylic acids, their preparation and methods of use as bleaching and antimicrobial agents |
US9676711B2 (en) | 2008-03-28 | 2017-06-13 | Ecolab Usa Inc. | Sulfoperoxycarboxylic acids, their preparation and methods of use as bleaching and antimicrobial agents |
US10323218B2 (en) | 2008-03-28 | 2019-06-18 | Ecolab Usa Inc. | Sulfoperoxycarboxylic acids, their preparation and methods of use as bleaching and antimicrobial agents |
US9253978B2 (en) | 2008-03-28 | 2016-02-09 | Ecolab USA, Inc. | Sulfoperoxycarboxylic acids, their preparation and methods of use as bleaching and antimicrobial agents |
US10017720B2 (en) | 2008-03-28 | 2018-07-10 | Ecolab Usa Inc. | Sulfoperoxycarboxylic acids, their preparation and methods of use as bleaching and antimicrobial agents |
US9290448B2 (en) | 2008-03-28 | 2016-03-22 | Ecolab USA, Inc. | Sulfoperoxycarboxylic acids, their preparation and methods of use as bleaching and antimicrobial agents |
US9902627B2 (en) | 2011-12-20 | 2018-02-27 | Ecolab Usa Inc. | Stable percarboxylic acid compositions and uses thereof |
US10017403B2 (en) | 2012-03-30 | 2018-07-10 | Ecolab Usa Inc. | Use of peracetic acid/hydrogen peroxide and peroxide-reducing enzymes for treatment of drilling fluids, frac fluids, flowback water and disposal water |
US9926214B2 (en) | 2012-03-30 | 2018-03-27 | Ecolab Usa Inc. | Use of peracetic acid/hydrogen peroxide and peroxide-reducing agents for treatment of drilling fluids, frac fluids, flowback water and disposal water |
US10023484B2 (en) | 2012-03-30 | 2018-07-17 | Ecolab Usa Inc. | Use of peracetic acid/hydrogen peroxide and peroxide-reducing agents for treatment of drilling fluids, frac fluids, flowback water and disposal water |
US11180385B2 (en) | 2012-10-05 | 2021-11-23 | Ecolab USA, Inc. | Stable percarboxylic acid compositions and uses thereof |
US11939241B2 (en) | 2012-10-05 | 2024-03-26 | Ecolab Usa Inc. | Stable percarboxylic acid compositions and uses thereof |
WO2014137771A1 (en) * | 2013-03-04 | 2014-09-12 | The Procter & Gamble Company | Premix containing optical brightener |
US11026421B2 (en) | 2013-03-05 | 2021-06-08 | Ecolab Usa Inc. | Efficient stabilizer in controlling self accelerated decomposition temperature of peroxycarboxylic acid compositions with mineral acids |
US10165774B2 (en) | 2013-03-05 | 2019-01-01 | Ecolab Usa Inc. | Defoamer useful in a peracid composition with anionic surfactants |
US10893674B2 (en) | 2013-03-05 | 2021-01-19 | Ecolab Usa Inc. | Efficient stabilizer in controlling self accelerated decomposition temperature of peroxycarboxylic acid compositions with mineral acids |
US11206826B2 (en) | 2013-03-05 | 2021-12-28 | Ecolab Usa Inc. | Defoamer useful in a peracid composition with anionic surfactants |
WO2017046282A1 (en) * | 2015-09-17 | 2017-03-23 | Henkel Ag & Co. Kgaa | Transparent liquids, in particular fabric treatment agents, containing perfume and microcapsules with an odor modulator compound |
US10920176B2 (en) | 2015-09-17 | 2021-02-16 | Henkel Ag & Co. Kgaa | Transparent liquids, in particular fabric treatment agents, comprising perfume and microcapsules with an odor modulator compound |
US10640903B2 (en) | 2017-06-13 | 2020-05-05 | The Procter & Gamble Company | Process for treating at least one garment |
Also Published As
Publication number | Publication date |
---|---|
CA2628829A1 (en) | 2007-06-14 |
BRPI0619506A2 (en) | 2011-10-04 |
WO2007066302A3 (en) | 2007-10-11 |
JP2009518493A (en) | 2009-05-07 |
ZA200804261B (en) | 2009-03-25 |
EP1957622A2 (en) | 2008-08-20 |
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