PROPYLENE POLYMER COMPOSITION, MOLDED ITEM COMPOSED OF THE COMPOSITION, AND MANUFACTURING METHOD OF PROPYLENE 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 89-50 mol% of a constituting unit derived from propylene, 10-30 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