BINDER FOR AUTOMOBILE INTERIOR MATERIAL AND BINDING SHEET FOR AUTOMOBILE INTERIOR MATERIAL

摘要

PROBLEM TO BE SOLVED: To provide a binder for automobile interior material and a binding sheet for automobile interior material that achieve both of cohesion in high temperature environment and adhesion with low polar adherend in low temperature environment.SOLUTION: Provided is the binder for automobile interior material comprising: an acrylic polymer (A) having a carboxyl group and a hydroxy group; a binding resin (B) including polymerized rosin ester having 10-130 mgKOH/g of hydroxyl value and a hydrogenated rosin ester; and an isocyanate hardener (C).