Polyolefin resin composition containing rosin, rosin derivative or petroleum resin

摘要

A polyolefin resin composition comprising a polyolefin resin and, blended therewith, (A) 10 to 40 wt % of a styrene type resin and (B) 0.5 to wt % of one or more members selected from among rosin, derivatives of rosin and petroleum resins is provided. This composition is excellent in adhesion to a cast foamed polyurethane, etc. and capable of forming a molding product with a low molding shrinkage.