THERMOPLASTIC RESIN COMPOSITION EXCELLENT IN SLIDING PROPERTIES

摘要

Thermoplastic resin composition comprises: (A) a polyacetal resin or thermoplastic aromatic polyester resin (100 parts by weight, (pbw)); (B) a graft copolymer containing olefin polymer as the main branch and vinyl component grafted thereon (0.1-20 pbw); and (C) a copolymer of ethylene and a 3-20C alpha-olefin. In the resin composition: (i) the total units derived from ethylene is 20-80 mol.%, and the total units derived from alpha-olefin is 20-80 mol.%; (ii) the number average molecular weight (Mn) is 500-10000; (iii) the Mw/Mn ratio is 1.2-3; and (iv) the amount of liquid ethylene.alpha-olefin random copolymer having a flow point of 20 degreesC or lower is 0.1-10 parts by weight.