Patent ID: 7449247

Claim:
An olefin polymer composition obtained by blending 20 to 90 parts by weight of a homopolymer of propylene or a copolymer of propylene as the main component and another α-olefin (A), 80 to 10 parts by weight of an ethylene-based polymer (B) having a density of not less than 900 kg/m 3 , 1 to 70 parts by weight of an ethylene/α-olefin copolymer having a crystallinity of 0 to 40% as determined by X-ray diffraction (C) based on 100 parts by weight of total of (A) plus (B), and 0.5 to 30 parts by weight of a tackifier resin (D) based on 100 parts by weight of total amount of (A) plus (B).