| 摘要 |
PURPOSE:To obtain the subject composition low in molding shrinkage, excellent in slidability and fatigue resistance, by incorporating a polyorganosiloxane-based thermoplastic resin with an aromatic polyester and specific copolymer. CONSTITUTION:This composition comprises (A) 94.9-10wt.% of a polyorganosiloxane-based thermoplastic resin produced by polymerizing (1) in the presence of 5-90wt.% of a polyorganosiloxane cocondensed with 0-50wt.% of a graft crossing agent (2) 95-10wt.% of a monomer component selected from aromatic vinyl compounds, vinyl cyanide compounds, (meth)acrylic esters, acid anhydride-based monomers and maleimide compounds, or a thermoplastic resin produced by polymerizing the above resin and the component (2), (B) 5-70wt.% of an aromatic polyester 0.5-1.4 in the intrinsic viscosity at 25 deg.C in o- chlorophenol, and (C) 0.1-20wt.% of a functional group-contg. copolymer containing vinyl monomer component having a functional group selected from hydroxyl, epoxy, carboxyl, acid anhydrides, oxazoline and amino. |
