Acrylic coating composition containing an adduct of a triol with an alkylene oxide

Claim 1

COATING COMPOSITION COMPRISING (1) AN INTERPOLYMER OF (A) FROM ABOUT 0 TO 90 PERCENT BY WEIGHT OF A COMBINED MONOVINYL AROMATIC HYDROCARBON CONTAINING FROM 8 TO 11 CARBON ATOMS INCLUSIVE; (B) FROM ABOUT 10 TO 90 PERCENT BY WEIGHT OF A COMBINED COMPOUND SELECTED FROM THE GROUP CONSISTING OF AN ALKYL ACRYLATE CONTAINING FROM 4 TO 15 CARBON ATOMS INCLUSIVE, AND ALKYL METHACRYLATE CONTAINING FROM 5 TO 16 CARBON ATOMS INCLUSIVE, CYANOETHYL ACRYLATE, CYANOPROPYL ACRYLATE, CYANOBUTYL ACRYLATE, ACRYLAMIDE, N,N-DIALKYL ACRYLAMIDE WHEREIN THE ALKYL GROUPS CONTAIN FROM 1 TO 6 CARBON ATOMS INCLUSIVE, AND HYDROXYALKYL ACRYLATE AND HYDROXYALKYL METHACRYLATE WHEREIN THIS ALKYL GROUP CONTAINS FROM TO 4 CARBON ATOMS INCLUSIVE; (C) FROM 0 TO ABOUT 50 PERCENT BY WEIGHT OF A COMBINED COMPOUND SELECTED FROM THE GROUP CONSISTING OF A,B-OLEFINICALLY UNSATURATED NITRILES CONTAINING FROM 3 TO 9 CARBON ATOMS INCLUSIVE, VINYL ACETATE, VINYL CHLORIDE, VINYL FLUORIDE, VINYLIDENE CHLORIDE, AND VINYLIDENE FLUORIDE, AND (D) FROM ABOUT 1 TO 20 PERCENT BY WEIGHT OF A COMBINED A,B-OLEFINICALLY UNSATURATED CARBOXYLIC ACID CONTAINING FROM 1 TO 10 CARBON ATOMS INCLUSIVE, SAID INTERPOLYMER HAVING A REDUCED VISCOSITY OF FROM 0.1 TO 0.8, MEASURED AS A 0.2 GRAM SAMPLE OF THE INTERPOLYMER IN 100 MILLIMETERS OF TETRAHYDROFURAN AT 25*C., AND A GLASS TRANSITION TEMPERATURE (TG) OF AT LEAST 25*C. (2) FROM ABOUT 1 TO 70 PERCENT BY WEIGHT, BASED ON THE WEIGHT OF THE INTERPOLYMER, OF A REACTIVE ADDUCT OF A TRIOL WITH AN ALKYLENE OXIDE CONTAINING AT LEAST 3 CARBON ATOMS, SAID TRIOL HAVING A HYDROXYL NUMBER OF FROM ABOUT 20 TO 1800, (3) FROM ABOUT 5 TO 35 PERCENT BY WEIGHT, BASED ON THE WEIGHT OF THE INTERPOLYMER, OF A POTENTIALLY THERMOSETTING RESIN FORMED BY CONDENSATION OF FORMALDEHYDE WITH A MEMBER SELECTED FROM THE GROUP CONSISTING OF PHENYL, UREA, AND TRIAZINES.