Patent ID: 7923502
Filing Date: 2011-04-12
Classification: C08K

Abstract:
1. A polypropylene-based resin composition comprising a propylene-based block copolymer (A) which satisfies features (a), (b) and (c) shown below and has a melt flow rate of from 5 to 100 g/10 min, measured at a temperature of 230° C. and a load of 2.16 kgf, and a zeolite (B) being a compound represented by the formula (I):  wherein M represents an element of Group IA or IIA of the Periodic Table, n represents an atomic value of M, x represents a number more than 0, y represents a number of 20 to 60, and z represents a number of 0 to 7, the zeolite (B) having a molar ratio SiO Feature (a): the propylene-based block copolymer (A) is a propylene-based block copolymer containing a polymer component (I) and a polymer component (II), wherein the polymer component (I) is a propylene-based polymer having an intrinsic viscosity ([η] Feature (b): the polymer component (II) has a content of the units derived from at least one kind of comonomer selected from the group consisting of ethylene and α-olefins having 4 to 12 carbon atoms of from 1 to 80% by weight; and Feature (c): the propylene-based block copolymer (A) has a content of the polymer component (II) of from 5 to 70% by weight.