Reinforced polypropylene resin composition containing glass fiber, mica and copolymer additives

摘要

A reinforced polypropylene resin composition comprising the following components (a) to (e), the total amount of the components (b) and (c) being 2 to 14%: (a) 45 to 75% by weight of a polypropylene modified with an organosilane compound or an unsaturated acid, or a modified polypropylene containing an unmodified polypropylene; (b) 1 to 10% by weight of a noncrystalline ethylene-(alpha)-olefin copolymer; (c) 1 to 10% by weight of a styrenic hydrogenated block copolymer; (d) 2 to 12% by weight of a glass fiber having a mean fiber diameter of 4 to 15 (my)m; and (e) 15 to 35% by weight of a hard mica having a tensile strength of 30 kg/mm2 or more, a mean particle diameter of 50 to 250 (my)m and an aspect ratio of 15 to 80.