Polypropylene resin composition used for automobile parts comprises ethylene/propylene copolymers and inorganic filler

摘要

Polypropylene resin composition comprises: (i) 20-60 wt.% low mol. wt. ethylene/propylene copolymer of ethylene content 5-20 wt.% and melt flow rate (MFR) 5-40 g/20 mins.; (ii) 20-60 t.% high mol. wt. ethylene/propylene copolymer of ethylene content 5-20 wt.% and MFR 0.3-5 g/20 mins.; and (iii) 5-40 wt.% inorganic filler of particle size 1-10 mu .