| abstract |
The present invention provides a resin modifier, a resin composition, and a film using the same, which can highly balance flexibility, transparency and bleed resistance. A random copolymer consisting of a structural unit derived from an aliphatic dibasic acid, a structural unit derived from an alkylene diol, and a structural unit derived from a polyalkylene ether glycol, the terminal of which is a hydroxyl group or a carboxyl group. It is a resin modifier comprising a coalescence. Polyalkylene ether glycol is preferably polyethylene ether glycol, and alkylene diol is ethylene glycol, 1,2-propylene glycol, 1,3-propanediol, 2-methyl-1,3-propanediol, 1,3-butanediol. 1,4-butanediol, neopentyl glycol, 3-methyl-1,5-pentanediol, and hexanediol are preferred. [Selection figure] None |