Thermosettable coating comprising (1) an organic polycarboxylic polymeric material and (2) a resinous polyepoxide-alkanol amine adduct

Claim 1

A HEAT-CONVERTIBLE, THERMOSETTABLE, LIQUID COATING VEHICLE COMPRISING A MIXTURE OF (1) A HOMOGENEOUS DISPERSION IN A VOLATILE SOLVENT OF AT LEAST ONE ORGANIC, POLYCARBOXYLIC, POLYMERIC MATERIAL HAVING AVAILABLE THEREIN UP TO 1 GRAM EQUIVALENT WEIGHT OF AT LEAST ONE REACTIVE CARBOXYLIC SUBSTITUENT GROUP PER 100 GRAMS OF SOLIDS OF SAID POLYMERIC MATERIAL, HAVING AN ACID NUMBER FROM 20 TO 175, AND WHEREIN FROM 4 TO 55 WEIGHT PERCENT OF SAID POLYMERIC MATERIAL IS COMPOSED OF A POLYMERIZED ORGANIC ACIDIC MONOMER SELECTED FROM THE GROUP CONSISTING OF (I) ETHYLENICALLY UNSATURATED MONOCARBOXYLIC ACIDS; (II) ETHYLENICALLY UNSATURATED POLYCARBOXYLIC ACIDS; (III) PARTIAL ESTERS OF A,B-ETHYLENICALLY UNSATURATED DICARBOXYLIC ACIDS WITH C1 TO C20 PRIMARY AND SECONDARY ALCOHOLS; 3IV) PARTIAL AMIDES OF A,B-ETHYLENICALLY UNSATURATED DICARBOXYLIC ACIDS WITH C1 TO C18 PRIMARY AND SECONDARY AMINES; (V) PARTIAL ESTERS OF A,B-ETHYLENICALLY UNSATURATED DICARBOXYLIC ANHYDRIDES; AND (VI) PARTIAL ESTERS OF A,B-ETHYLENICALLY UNSATURATED DICARBOXYLIC ACID WITH C1 TO C20 PRIMARY AND SECONDARY MONOALCOHOLS HAVING FROM 1 TO ABOUT 9 ETHER OXYGEN LINKAGES HAVING AVAILABLE THEREIN UP TO 1 GRAM EQUIVALENT WEIGHT OF AT LEAST ONE REACTIVE CARBOXYLIC SUBSTITUENT GROUP AND WHEREIN THE REMAINDER OF SAID ORGANIC POLYMERIC MATERIAL IS COMPOSED OF AT LEAST ONE ADDITIONAL POLYMERIZED ORGANIC MONOMER SELECTED FROM THE GROUP CONSISTING OF (A) C1 TO C8 PRIMARY AND SECONDARY ALKYL ESTERS OF ACRYLIC ACID; (B) C1 TO C8 PRIMARY AND SECONDARY ALKYL ESTERS OF METHACRYLIC ACID; (C) ACRYLONITRILE; (D) METHACRYLONITRILE; (E) OPEN-CHAIN ALIPHATIC CONJUGATED DIENES HAVING FROM 4 TO 9 CARBON ATOMS; (F) VINYL CHLORIDE; (G) VINYLIDENE CHLORIDE; (H) VINYL ESTERS OF MONOCARBOXYLIC ORGANIC ACIDS HAVING FROM 2 TO 4 CARBON ATOMS IN THE ACID SUBSTITUENT GROUP; AND (I) MONOALKENYL AROMATIC HYDROCARBONS OF THE BENZENE SERIES CHARACTERIZED BY THE GENERAL FORMULA: AR-C(-R)=CH2 WHEREIN AR, SELECTED INDEPENDENTLY, REPRESENTS AN AROMATIC HYDROCARBON AND A NUCLEAR HALOHYDROCARBON RADICAL AND R IS A SUBSTITUENT SELECTED FROM THE GROUP CONSISTING OF HYDROGEN A C1 TO C4 ALKYL RADICAL, AND A HALOGEN RADICAL HAVING AN ATOMIC NUMBER OF FROM 17 TO 35 INCLUSIVELY, WITH (2) A SOLUBLE, RESINOUS POLYEPOXIDEALKANOLAMINE ADDUCT WHICH IS THE REACTION PRODUCT OF 0.7 TO 1.5 MOLE OF A VOLATILE ALKANOLINE SELECTED FROM THE GROUP CONSISTING OF MONOETHANOLAMINE, DIETHANOLAMINE, MONOISOPROPANOLAMINE AND DIISOPROPANOLAMINE AND 1 EQUIVALENT WEIGHT OF A POLYEPOXIDE RESIN HAVING AN EPOXIDE EQUIVALENT WEIGHT OF LESS THAN 1000, THE RATIO OF (2) TO (1) BEING FROM 0.2 TO 2.0 AMINE EQUIVALENT WEIGHTS PER EQUIVALENT WEIGHT OF SAID REACTIVE CARBOXYLIC SUBSTITUENT GROUP OF SAID POLYMERIC MATERIAL.