申请人:DAINIPPON INK AND CHEMICALS, INC.
公开号:EP0244823A2
公开(公告)日:1987-11-11
A resin composition for use in a powder paint, consisting essentially of (A) 60 to 97 parts by weight of a polyester having an acid value of l5 to l00 KOH mg/g and a softening point, determined by the ring and ball method, of 70 to l50°C and obtained by reacting (a-l) a polyester having a hydroxyl value of l0 to 70 KOH mg/g and an acid value of 2 to l0 KOH mg/g and (a-2) a halogenated polycarboxylic acid or a halogenated polycarboxylic anhydride, and (B) 40 to 3 parts by weight of a polyepoxy compound having at least 2 epoxy groups per molecule.
一种用于粉末涂料的树脂组合物,其主要成分为:(A) 60 至 97 重量份的聚酯,其酸值为 l5 至 l00 KOH mg/g,用环球法测定的软化点为 70 至 l50°C,由(a-l)羟基值为 l0 至 70 KOH mg/g、酸值为 2 至 l0 KOH mg/g的聚酯和(a-2)卤代聚羧酸或卤代聚羧酸酐反应得到;以及(B) 40 至 3 重量份的聚环氧化合物,其每个分子中至少有 2 个环氧基团。