abstract |
Coating compositions which provide scratch resistant and acid resisitant coating films, having a Tg in the range of from 1 to 70 DEG C and which comprise a hydroxyl containing copolymer and a crosslinking agent, wherein the hydroxyl containing copolymer has a weight average molecular weight in the range of from 9000 to 30,000, has an OH concentration of 3.5 to 5 wt% relative to the total weight of all comonomers, and has a Tg of from 0 to 35 DEG C. |