| abstract |
Coating composition, particularly car refinish, which can be readily sprayed, has good levelling properties and surface gloss, and exhibits low dust attraction. The binder comprisesn (1) 10-60 parts b.w. of a polyacrylate having an acid number of 0-15 and a weight average molecular weight of 10,000-60,000, (2) 30-75 parts b.w. of an acrylated alkyd resin resulting from the polymerisation of a mixture of 20-80% b.w. of an acrylate monomer and 80-20% b.w. of an olefinically unsaturated alkyd resin having a weight average molecular weight of 500-1500 and an iodine number of 20-70, and (3) 5-45 parts b.w. of a cellulose ester, the sum of said basic components totalling 100 parts b.w. n The cellulose ester used may be cellulose acetobutyrate. |