申请人:Ohsuka Akihiro
公开号:US20100099809A1
公开(公告)日:2010-04-22
Disclosed is a paint composition comprising a (A) polyester resin comprising a hydroxyl group value of from 10 to 35 mgKOH/g, an acid value of not more than 15 mgKOH/g and a number average molecular weight of from 2,000 to 6,000, a (B) acrylic resin comprising a hydroxyl group value of from 50 to 150 mgKOH/g, an amine value of from 10 to 50 mgKOH/g, a number average molecular weight of from 1,500 to 8,000 and a glass transition temperature of from 0 to 50° C., and a (C) polyester resin comprising a hydroxyl group value of from 50 to 150 mgKOH/g, an acid value of not more than 20 mgKOH/g and a number average molecular weight of from 1,000 to 4,000.
本发明涉及一种涂料组合物,包括:(A)聚酯树脂,其羟值为10至35 mgKOH/g,酸值不超过15 mgKOH/g,且数量平均分子量为2,000至6,000;(B)丙烯酸树脂,其羟值为50至150 mgKOH/g,胺值为10至50 mgKOH/g,数量平均分子量为1,500至8,000,玻璃化转变温度为0至50℃;以及(C)聚酯树脂,其羟值为50至150 mgKOH/g,酸值不超过20 mgKOH/g,且数量平均分子量为1,000至4,000。