US20050010016A1 - Resins based on ketones and aldehydes, having improved solubility properties and low color numbers - Google Patents
Resins based on ketones and aldehydes, having improved solubility properties and low color numbers Download PDFInfo
- Publication number
- US20050010016A1 US20050010016A1 US10/863,369 US86336904A US2005010016A1 US 20050010016 A1 US20050010016 A1 US 20050010016A1 US 86336904 A US86336904 A US 86336904A US 2005010016 A1 US2005010016 A1 US 2005010016A1
- Authority
- US
- United States
- Prior art keywords
- resin
- ketone
- phase transfer
- transfer catalyst
- aldehyde
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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- 0 [1*]C([2*])([3*])[4*].[Y-] Chemical compound [1*]C([2*])([3*])[4*].[Y-] 0.000 description 3
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G6/00—Condensation polymers of aldehydes or ketones only
- C08G6/02—Condensation polymers of aldehydes or ketones only of aldehydes with ketones
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Phenolic Resins Or Amino Resins (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
Description
- 1. Field of the Invention
- The invention relates to ketone-aldehyde resins having very broad solubility properties and low color numbers, to a process for preparing them, and to their use as principal component, base component or addition component in coating compositions, printing inks, pigment pastes, tinting pastes, ballpoint pastes, graphics inks, polishes, adhesives, sealants, and insulating materials.
- 2. Description of the Related Art
- EP 0 668 301 (U.S. Pat. No. 5,705,597) describes the preparation of ketone-aldehyde resins. According to the process described therein, products of this kind possess relatively high color numbers. The use of phase transfer catalysts is not described.
- U.S. Pat. No. 4,731,434 describes the use of phase transfer catalysts for the preparation of resins from alkyl aryl ketones, whose solubility profile does not extend to the broad solubility profile of the products addressed by the invention.
- EP 0 007 106 describes polycondensation products of aliphatic and cyclic ketones, which, prepared by the process disclosed therein, have very high softening ranges and, consequently, comparatively high molar weights. The resins are not soluble in aliphatic solvents. The phase transfer catalysts employed therein have no aromatic radicals.
- Accordingly, it is an object of the present invention to prepare resins having both low intrinsic coloring with broad solubility in a very wide variety of solvents and broad compatibility with other paint base materials.
- It has surprisingly been possible to achieve this object, as described in the claims, through the use of a phase transfer catalyst during the preparation of the resins from the monomers described in more detail below. Resins based on cycloaliphatic ketones and on aliphatic and/or aromatic aldehydes are prepared.
- The ketone-aldehyde resins of the invention are soluble in virtually all organic solvents useful for coatings, including, in particular, mineral oils, white spirits, and aliphatics. They are likewise soluble in alcoholic solvents such as ethanol. This affords the possibility of formulating low-odor, environmentally unburdensome coating materials which are toxicologically unobjectionable.
- The ketone-aldehyde resins of the invention exhibit broad compatibility with binders and resins. In particular they can be mixed even with relatively nonpolar binders and/or resins such as long-chain alkyd resins, natural oils, and hydrocarbon resins, but also with polar binders and/or resins, such as polyesters, polyamides, polyacrylates, nitrocellulose, etc.
- Consequently they are especially useful as a principal, base or addition component in coating compositions, printing inks, pigment pastes, tinting pastes, ballpoint pastes, graphics inks, polishes, adhesives, sealants, and insulating materials.
- From the ketone-aldehyde resins of the invention it is possible to formulate stable pigment preparations and tinting pastes which by virtue of their broad compatibility can be used in the majority of coating materials, resulting in outstanding coloristic properties.
- They can likewise be used in order, for example, to enhance hardness, gloss and leveling of coating materials, printing inks, pigment pastes, tinting pastes, ballpoint pastes, graphics inks, and polishes. In the light of their viscosity behavior the resins relevant to the invention are able to increase the solids fraction of such products, thereby allowing the fraction of organic solvents to be reduced.
- The ketone-aldehyde resins of the invention may comprise, individually or as a mixture, cyclohexanone and any alkyl-substituted cyclohexanones having one or more alkyl radicals containing a total of 1 to 8 carbon atoms. Examples include 4-tert-amtylcyclohexanone, 2-sec-butylcyclohexanone, 2-tert-butylcyclohexanone, 4-tert-butylcyllohexanone, 2-methylcyclohexanone, and 3,3,5-trimethylcyclohexanone. Preference is given to cyclohexanone, 4-tert-butylcyclohexanone, and 3,3,5-trimethylcyclohexanone.
- Suitable aliphatic aldehydes include branched and unbranched aldehydes, such as formaldehyde, acetaldehyde, n-butyraldehyde and/or isobutyraldehyde, for example, and also dodecanal, etc.; preference, however, is given to using formaldehyde, alone or as a mixture.
- The formaldehyde needed is normally used in the form of an aqueous solution with an approximate concentration of from 25 to 40% by weight. Other forms of formaldehyde are likewise possible, including, for example, para-formaldehyde or trioxane. Aromatic aldehydes, such as benzaldehyde, may likewise be present as a mixture with formaldehyde.
- Further monomers that may be present in the ketone-aldehyde resins of the invention include, primarily, ketones, alone or in a mixture. These ketones may possess an aliphatic, cycloaliphatic, aromatic or mixed character. Examples include acetone, acetophenone, methyl ethyl ketone, 2-heptanone, 3-pentanone, methyl isobutyl ketone, cyclopentanone, pinacolone, cyclododecanone, mixtures of 2,2,4 and 2,4,4-trimethylcyclopentanone, cycloheptanone, and cyclooctanone. Preference, however, is given to methyl ethyl ketone and acetophenone. Generally speaking, it is possible to use any of the ketones said in the literature to be suitable for ketone resin syntheses. As a general rule any C—H-acidic ketones may be used.
- In minor amounts it is also possible, where appropriate, for further monomers, such as phenols, urea and its derivatives, to be present as additional monomers in the ketone-aldehyde resins of the invention.
- One embodiment of the invention comprises mixtures of cyclohexanones. Particular practical significance is accorded to mixtures of trimethylcyclohexanone/cyclohexanone, 4-tert-butylcyclohexanone/trimethylcyclohexanone/cyclohexanone, and 4-tert-butylcyclohexanone/trimethylcyclohexanone, in molar ratios of the substituted cyclohexanone to the unsubstituted cyclohexanone of from 0.1:0.9 to 0.9:0.1, preferably from 0.2:0.8 to 0.8:0.2, more preferably from 0.3:0.7 to 0.7:0.3.
- The ratio between the ketone component and the aldehyde component can vary from 1:0.9 to 1:4. Preference, however, is given to a ketone/aldehyde ratio of from 1:1 to 1:2.
- By varying the proportions it is easy to adjust resin properties such as melting range, hydroxyl number, and molecular weight for the skilled worker. Reaction takes place in an auxiliary solvent. Methanol and ethanol have each proven suitable. It is also possible, however, to use auxiliary solvents which can likewise be converted during the reaction. One example of such is methyl ethyl ketone.
-
-
- X is a nitrogen atom or phosphorus atom,
- R1 is a phenyl radical or benzyl radical,
- R2, R3, and R4 can be identical or different and are each an alkyl radical having 1 to 22 carbon atoms in the carbon chain and/or a phenyl radical and/or a benzyl radical, and
- Y is the anion of an (in)organic acid or a hydroxide ion.
- When the phase transfer catalyst is a quaternary ammonium salt, alkyl radicals (R2-4) having 1 to 22 carbon atoms, especially those having 1 to 12 carbon atoms, in the carbon chain and/or phenyl radicals and/or benzyl radicals and/or mixtures of both are preferred. For quaternary phosphonium salts, alkyl radicals having 1 to 22 carbon atoms and/or phenyl radicals and/or benzyl radicals are preferred for R2-4.
- Suitable anions include those of strong (in)organic acids, such as C−, Br−, or I−, for example, and also hydroxides, methoxides or acetates.
- Examples of quaternary ammonium salts include cetyldimethylbenzylammonium chloride, tributylbenzylammonium chloride, trimethylbenzylammonium chloride, trimethylbenzylammonium iodide, triethylbenzylammonium chloride, and triethylbenzylammonium iodide. Examples of suitable quaternary phosphonium salts include triphenylbenzylphosphonium chloride and triphenylbenzylphosphonium iodide. Mixtures, however, can also be used.
- The phase transfer catalyst of the invention is used in amounts of from 0.01 to 15%, preferably from 0.1 to 10.0%, and in particular in amounts of from 0.1 to 5.0% by mass, based on the ketone used, in the polycondensation mixture.
- Besides the phase transfer catalyst, strongly basic compounds such as alkali metal hydroxides, especially NaOH and/or KOH, are used as catalysts for the polycondensation.
- The basic catalysts are used in amounts of >0.1 mol %, preferably >1 mol %, and in particular in amounts of >5 mol %, based on the ketone, in the reaction mixture.
- All known methods of resin synthesis can be employed. Normally condensation is conducted in the presence of alkaline catalysts at temperatures from 75 to 95° C. Reactions of this kind are described in, for example, Ullmann's Encyclopädie der technischen Chemie, Vol. 12, Verlag Chemie Weinheim, 1976, pages 547 to 555 (incorporated herein by reference).
- Depending on the ratio of ketone to aldehyde, the ketone-aldehyde resins relevant to the invention possess
-
- melting ranges of from 30 to 150° C., preferably from 40 to 100° C., more preferably from 50 to 90° C.,
- average molecular weights of from 400 to 2000, more preferably from 500 to 1000,
- color numbers (Gardner, 50% in ethyl acetate) of less than 4, preferably less than 2, more preferably less than 1.5, and
- OH numbers of from 0 to 200 mg KOH/g, preferably from 0 to 150, more preferably from 0 to 100.
- The resins to which the invention relates are each completely soluble to give a clear solution, as a 10% concentration and 50% concentration solution of ethanol and white spirit.
- The invention is illustrated with reference to the following non-limiting examples.
- Preparation of ketone-aldehyde resins of low color number:
- A mixed resin is prepared from trimethylcyclohexanone and cyclohexanone and also formaldehyde under the conditions described in EP 0 668 301 (incorporated herein by reference in its entirety) in the absence of a phase transfer catalyst (GL 269, 270, 271, 294 see Table 1 below).
- The molar amounts and the properties of the resins obtained are shown in Table 1. In this regime, color numbers of around 4 are usual. The other analytical values for the resins obtained serve as target parameters.
- Starting from the standard operating procedure, methanol was used as auxiliary solvent. Additionally, tributylbenzylammonium chloride was used as phase transfer catalyst.
TABLE 1 MeOH Solubility TMCone/CH NaOH PTC [ml/mol HCHO SP NVC [%] (10% in GL [mol] [mol] [%] ketone] [mol] [° C.] CN (5/24 h 150° C.) WS/EtOH) 269 0.574/0.426 0.1 — 125 ml EtOH 1.4 57 4.5 82.7/76.8 ++/++ 270 0.574/0.426 0.1 — 125 ml EtOH 1.4 59 3.9 84.4/78.8 ++/++ 271 0.574/0.426 0.1 — 125 ml EtOH 1.4 58 4.3 89.3/84.1 ++/++ 294 0.574/0.426 0.1 — 125 ml EtOH 1.4 56 4.0 88.9/83.7 ++/++ 220 0.574/0.426 0.1 0.3 150 1.4 54 1.4 83.5/76.6 ++/++ 221 0.574/0.426 0.1 1.0 150 1.4 55 1.0 86.2/80.5 ++/++ 229 0.574/0.426 0.11 0.3 150 1.4 56 0,8 83.6/77.6 ++/++ 230 0.574/0.426 0.115 0.3 150 1.4 58 1.4 78.3/73.4 ++/++ 231 0.574/0.426 0.125 0.3 150 1.4 60 1.1 81.7/75.9 ++/++ 254 0.574/0.426 0.125 0.3 150 1.4 60 1.0 82.1/76.4 ++/++ - A notable point in addition to the very much lower color number of the product was the very effective phase separation, which allowed the number of washes to be reduced from seven to five. The other properties, such as compatibilities with other base materials, and pigment wetting properties of the resins prepared using a phase transfer catalyst, are identical with those of the comparative products described in EP 0 668 301.
- Abbreviations
-
- CH cyclohexanone
- EtOH ethanol
- SP softening point (DIN 53 181)
- MeOH methanol
- NVC nonvolatiles content
- PTC phase transfer catalyst
- WS white spirit
- TBBACI tributylbenzylammonium chloride
- TMCone trimethylcyclohexanone
- CN Gardner color number (50% in ethyl acetate)
- German application 10326893.6 filed on Jun. 14, 2003 is incorporated herein by reference in its entirety.
- Obviously, numerous modifications and variations of the present invention are possible in light of the above teachings. It is therefore to be understood that within the scope of the appended claims, the invention may be practiced otherwise than as specifically described herein.
Claims (34)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/342,612 US7812109B2 (en) | 2003-06-14 | 2008-12-23 | Resins based on ketones and aldehydes, having improved solubility properties and low color numbers |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10326893.6 | 2003-06-14 | ||
DE10326893A DE10326893A1 (en) | 2003-06-14 | 2003-06-14 | Resins based on ketones and aldehydes with improved solubility properties and low color numbers |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/342,612 Division US7812109B2 (en) | 2003-06-14 | 2008-12-23 | Resins based on ketones and aldehydes, having improved solubility properties and low color numbers |
Publications (1)
Publication Number | Publication Date |
---|---|
US20050010016A1 true US20050010016A1 (en) | 2005-01-13 |
Family
ID=33185794
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/863,369 Abandoned US20050010016A1 (en) | 2003-06-14 | 2004-06-09 | Resins based on ketones and aldehydes, having improved solubility properties and low color numbers |
US12/342,612 Expired - Fee Related US7812109B2 (en) | 2003-06-14 | 2008-12-23 | Resins based on ketones and aldehydes, having improved solubility properties and low color numbers |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
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US12/342,612 Expired - Fee Related US7812109B2 (en) | 2003-06-14 | 2008-12-23 | Resins based on ketones and aldehydes, having improved solubility properties and low color numbers |
Country Status (9)
Country | Link |
---|---|
US (2) | US20050010016A1 (en) |
EP (1) | EP1486520A1 (en) |
CN (1) | CN1315900C (en) |
AU (1) | AU2004202618A1 (en) |
BR (1) | BRPI0401930A (en) |
CA (1) | CA2471189A1 (en) |
DE (1) | DE10326893A1 (en) |
NO (1) | NO20042430L (en) |
TW (1) | TW200502275A (en) |
Cited By (18)
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US20040129504A1 (en) * | 2001-05-31 | 2004-07-08 | Rene Kunz | Equipment for ascertaining the position of a rail-guided elevator car with a code carrier |
US20050043501A1 (en) * | 2003-08-22 | 2005-02-24 | Degussa Ag | Radiation-curable resins based on ketone-aldehyde and/or urea-aldehyde resins and a process for preparing them |
US20060074217A1 (en) * | 2003-08-22 | 2006-04-06 | Degussa Ag | Ketone-aldehyde resins having low water content, high thermal stability and yellowing resistance |
US20070123661A1 (en) * | 2004-02-03 | 2007-05-31 | Degussa Ag | Utilization of radiohardenable resins based on hydrogenated ketone and phenol aldehyde resins |
US20080027156A1 (en) * | 2004-04-27 | 2008-01-31 | Degussa Ag | Polymer Compositions of Carbonyl-Hydrated Ketone-Aldehyde Resins and Polyisocyanates in Reactive Solvents |
US20080039593A1 (en) * | 2005-01-19 | 2008-02-14 | Degussa Gmbh | Aqueous, Unsaturated, Amorphous Polyesters that are Modified so as to be Radiation Curable |
US20080045669A1 (en) * | 2004-08-12 | 2008-02-21 | Degussa Gmbh | Tin-Free, High-Melting Reaction Products of Carbonyl-Hydrogenated Ketone Aldehyde Resins, Hydrogenated Ketone Resins, and Carbonyl-Hydrogenated and Core-Hydrogenated Ketone Aldehyde Resins Based on Aromatic Ketones and Polyisocynates |
US20080146728A1 (en) * | 2004-07-01 | 2008-06-19 | Degussa Ag | Radiation Curable Composition Consisting of Unsaturated Amorphous Polyesters and Reactive Dilutant Agents |
US20080171816A1 (en) * | 2005-03-23 | 2008-07-17 | Degussa Gmbh | Low-Viscosity Uretdion Group-Containing Polyaddition Compounds, Method Of Production And Use Thereof |
US20080213515A1 (en) * | 2005-06-10 | 2008-09-04 | Evonik Degussa Gmbh | Backfixing of Artificial Turf Stock Material with Hotmelts Based on Amorphous Poly-Alpha-Olefins and/or Modified Amorphous Poly-Alpha-Olefins |
US20080306210A1 (en) * | 2006-01-03 | 2008-12-11 | Patrick Glockner | Compositions For Producing Universal Pigment Preparations |
US20090012245A1 (en) * | 2006-02-28 | 2009-01-08 | Evonik Degussa Gmbh | Carbonyl hydrogenated ketone aldehyde resins, devoid of formaldehyde, based on formaldehyde and associated production method |
US20090030113A1 (en) * | 2006-01-03 | 2009-01-29 | Evonil Degussa Gmbh | Universal pigment preparations |
US7759424B2 (en) | 2004-10-12 | 2010-07-20 | Evonik Degussa Gmbh | Radiation curable modified, unsaturated, amorphous polyesters |
US8288489B2 (en) | 2005-04-13 | 2012-10-16 | Evonik Degussa Gmbh | Use of a highly viscous largely amorphous polyolefin for the production of a film |
US20140289790A1 (en) * | 2013-03-22 | 2014-09-25 | Brendon Wilson | System and method for adaptive application of authentication policies |
US10870723B2 (en) | 2015-07-07 | 2020-12-22 | Evonik Operations Gmbh | Production of polyurethane foam |
US10961418B2 (en) | 2016-05-09 | 2021-03-30 | Evonik Operations Gmbh | Use of block copolymers in adhesives |
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DE102006000651A1 (en) * | 2006-01-03 | 2007-07-12 | Degussa Gmbh | Preparation of ionic liquids and resins |
DE102014203231A1 (en) | 2014-02-24 | 2015-08-27 | Evonik Degussa Gmbh | Dispersing resins for pigment preparations with low volatile organic content |
EP3459984A1 (en) | 2017-09-25 | 2019-03-27 | Evonik Degussa GmbH | Preparation of polyurethane foam |
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Also Published As
Publication number | Publication date |
---|---|
BRPI0401930A (en) | 2005-01-25 |
CA2471189A1 (en) | 2004-12-14 |
NO20042430L (en) | 2004-12-15 |
DE10326893A1 (en) | 2004-12-30 |
US7812109B2 (en) | 2010-10-12 |
CN1315900C (en) | 2007-05-16 |
US20090105442A1 (en) | 2009-04-23 |
TW200502275A (en) | 2005-01-16 |
CN1572807A (en) | 2005-02-02 |
AU2004202618A1 (en) | 2005-01-06 |
EP1486520A1 (en) | 2004-12-15 |
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