| 摘要 |
<p>PROBLEM TO BE SOLVED: To obtain subject composition having improved physical properties, hydrolysis stability and the like, and useful for molding housings or the like for computers and office machines by injection molding or the like by compounding a polycarbonate resin with a specific rubber-modified graft copolymer and an organophosphrus flame retardant. SOLUTION: This composition is composed of (A) a polycarbonate resin derived preferably from bisphenol A and phosgene, (B) a rubber-modified graft copolymer prepared by a block polymerization method wherein (i) a continuous hard thermoplastic resin phase contains (ii) discontinuous rubber phases in a dispersed state, and at least a part of the component Bi is chemically grafted to the component Bii and (C) an organophosphorus flame retardant such as resorcinol disphophate in a flame retardant amount. The component Bi contains preferably a copolymer derived from a monomer selected from styrene, acrylonitrile and the like, and the component Bii contains preferably a polybutadiene polymer or the like.</p> |
