PROPYLENE POLYMER COMPOSITION, MOLDED ITEM COMPOSED OF THE COMPOSITION, PELLET COMPOSED OF PROPYLENE POLYMER COMPOSITION, MODIFIER FOR THERMOPLASTIC POLYMER, AND MANUFACTURING METHOD OF THERMOPLASTIC POLYMER COMPOSITION

摘要

PROBLEM TO BE SOLVED: To provide a polymer composition that is excellent in transparency, low-temperature impact resistance, mechanical properties (flexibility, stiffness and the like) and heat resistance, and a molded item obtained by using the composition.;SOLUTION: The propylene polymer composition comprises (A) 40-95 pts.wt. of a propylene polymer and (B) 60-5 pts.wt. of a propylene-ethylene--olefin copolymer comprised of 84-50 mol% of a constituting unit derived from propylene, 15-30 mol% of a constituting unit derived from ethylene and 1-20 mol% of a constituting unit derived from a 4-20C -olefin, provided that the total of (A) and (B) add up to 100 pts.wt.;COPYRIGHT: (C)2007,JPO&INPIT