STYRENE-MODIFIED POLYPROPYLENE RESIN PARTICLE, EXPANDABLE STYRENE-MODIFIED POLYPROPYLENE RESIN PARTICLE, STYRENE-MODIFIED POLYPROPYLENE RESIN FOAM PARTICLE, STYRENE-MODIFIED POLYPROPYLENE RESIN FOAM MOLDED BODY, AND THEIR PRODUCTION METHODS

摘要

A styrene-modified polypropylene type resin particle of the present invention includes: a polypropylene type resin and a polystyrene type resin, wherein the polystyrene type resin is included at 30 parts by weight or more but less than 600 parts by weight per 100 parts by weight of the polypropylene type resin, and polystyrene type resin particles having a longitudinal diameter of 5 µm or less are dispersed in the polypropylene type resin.