Process for painting polypropylene

摘要

Disclosed is a process comprising (A) preparing an adhesion promoting coating by applying to a polypropylene substrate a chlorinated interpolymer of ethylene and carbon monoxide having an amount of carbon monoxide in the range of 2.5 to 6.8 weight percent and an amount of chlorine in the range of 19 to 26 weight percent, and (B) coating the adhesion promoting coating with a paint.