Patent ID: 8927638
Filing Date: 2015-01-06
Classification: C08K,C08L

Abstract:
1. A polypropylene resin composition, comprising: 75-90 wt. % of polypropylene resin, 7-15 wt. % of hydrogenated styrene-butadiene-styrene copolymer elastomer (A) having a styrene content of 18-42 wt. %, and 3-10 wt. % of hydrogenated styrene-butadiene-styrene copolymer elastomer (B) having a styrene content of 12-15 wt. %, wherein the composition is free from inorganic fillers other than a colorant, and the composition exhibits a bending modulus of elasticity of at least 1400 MPa and a Rockwell hardness of at least 80.