GB976963A - Improvements in or relating to aqueous coating compositions - Google Patents
Improvements in or relating to aqueous coating compositionsInfo
- Publication number
- GB976963A GB976963A GB20260A GB20260A GB976963A GB 976963 A GB976963 A GB 976963A GB 20260 A GB20260 A GB 20260A GB 20260 A GB20260 A GB 20260A GB 976963 A GB976963 A GB 976963A
- Authority
- GB
- United Kingdom
- Prior art keywords
- water
- compositions
- copolymer
- vinyl
- weight
- 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.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F20/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
- C08F20/62—Monocarboxylic acids having ten or more carbon atoms; Derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F22/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical and containing at least one other carboxyl radical in the molecule; Salts, anhydrides, esters, amides, imides or nitriles thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
- C08F8/44—Preparation of metal salts or ammonium salts
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Paints Or Removers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Hydroxyethyl mono-maleate is made by heating maleic anhydride (4.0 moles) with ethylene glycol (4.8 moles) under an atmosphere of carbon dioxide.ALSO:Water-soluble at least partial salts are made from copolymers prepared from ethylenically unsaturated monomers which include in their compositions 2-25% by weight of copolymerized unsaturated carboxylic acid, e.g. acrylic, methacrylic, chloroacrylic, crotonic, itaconic, maleic and fumaric acids and hydroxyethyl monomaleate, and 2-20% by weight of copolymerized monomer containing basic or amido nitrogen groups, e.g. acrylamide, methacrylamide, vinyl pyridine, vinyl pyrrolidone, and tert.-butylaminoethyl and dimethylaminoethyl methacrylates. The remaining monomers from which the copolymers are derived may be selected from styrene, vinyl toluene, vinyl acetate, acrylonitrile and C1-C8 esters of acrylic and methacrylic acids. The copolymers are made by the polymerization of the mixed monomers in solution in a water-miscible solvent, e.g. isopropyl alcohol, and in the presence of an initiator, e.g. benzoyl peroxide or azodiisobutyronitrile. After copolymerization is complete most of the solvent is distilled from the copolymer, water is added thereto, followed by neutralization by a base, e.g. ammonia, triethanolamine, triethylamine or sodium hydroxide. The resulting copolymer solutions are used in coating applications, for which purpose these are added thereto polyepoxides, e.g. vinyl cyclohexene dioxide and the condensation products of epichlorohydrin with glycol, glycerol and diphenylolpropane. Also present in the compositions may be water-dispersible aminoplasts, e.g. etherified condensation products of formaldehyde with urea and melamine, including the urea-formaldehyde resins described in Specification 823,246 and epichlorohydrin-modified aminoplasts described in Specification 796,815; pigments, e.g. titanium dioxide calcium carbonate, iron oxide, and basic lead silicochromate; ethylene glycol monoethylether, and rubber latex. Coatings made from the compositions are hardened by baking.ALSO:Phosphated steel panels are coated by applying thereto a water-borne coating composition comprising a mixture of (a) 75-95% by weight of a water-soluble at least partial salt of a copolymer which includes in its composition 2-25% by weight of copolymerized unsaturated carboxylic acid, e.g. acrylic, methacrylic, chloroacrylic, crotonic, itaconic, maleic or fumaric acid, or hydroxyethyl monomaleate and 2-20% by weight of monomer containing basic or amido nitrogen groups, e.g. acrylamide, methacrylamide, vinyl pyridine and tert. butylaminoethyl or dimethylaminoethyl methacrylate, and (b) a water-dispersible multifunctional epoxide in an amount between 0,3 and 1,3 equivalents per equivalent of acid in the copolymer. The remaining monomers from which the copolymer is derived may be selected from vinyl acetate, styrene, vinyl toluene, acrylonitrile and C1-C8 esters of acrylic and methacrylic acids. The preferred copolymer salt is the ammonium salt. Also present in the compositions may be water-soluble aminoplasts, e.g. etherified condensation products of formaldehyde with urea or melamine; pigments, e.g. titanium dioxide, iron oxide, calcium carbonate and lead silicochromate; ethylene glycol monoethyl ether and rubber latex. The compositions are sprayed on to the steel panels, and then cured by baking. According to the make up of the compositions the resulting coating may be glossy, or may be of the primer type to which an alkyd/melamine-formaldehyde enamel may be applied. Specifications 796,815 and 823,246 are referred to.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB20260A GB976963A (en) | 1960-01-04 | 1960-01-04 | Improvements in or relating to aqueous coating compositions |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB20260A GB976963A (en) | 1960-01-04 | 1960-01-04 | Improvements in or relating to aqueous coating compositions |
Publications (1)
Publication Number | Publication Date |
---|---|
GB976963A true GB976963A (en) | 1964-12-02 |
Family
ID=9700216
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB20260A Expired GB976963A (en) | 1960-01-04 | 1960-01-04 | Improvements in or relating to aqueous coating compositions |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB976963A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4314800A (en) | 1980-04-11 | 1982-02-09 | Rohm Gmbh | Method for treating pelts and leather |
US4544686A (en) * | 1983-06-07 | 1985-10-01 | Imperial Chemical Industries Plc | Coating compositions |
US5037700A (en) * | 1981-01-19 | 1991-08-06 | National Starch And Chemical Investment Holding Corporation | Flexible laminates |
-
1960
- 1960-01-04 GB GB20260A patent/GB976963A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4314800A (en) | 1980-04-11 | 1982-02-09 | Rohm Gmbh | Method for treating pelts and leather |
US5037700A (en) * | 1981-01-19 | 1991-08-06 | National Starch And Chemical Investment Holding Corporation | Flexible laminates |
US4544686A (en) * | 1983-06-07 | 1985-10-01 | Imperial Chemical Industries Plc | Coating compositions |
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