. . . . . . . "(A) 25 to 80 weight percent of an acrylic polyol having a number average molecular weight ranging from 1422 to 1756, which is the polymerization product prepared in the presence of a di-t-amyl derivative polymerization initiator of a combination of monomers comprising: (a) 1 to 10 percent by weight of a compound of the structure where R1=H or CH3, R3 is H or an alkyl group, R4 is an alkyl group, R" . .