Thermoplastische Harzmassen

摘要

1298895 Graft polymer/resin compositions KANEGAFUCHI KAGAKU KOGYO KK 19 Aug 1970 [30 Aug 1969] 39860/70 Heading C3G A resinous composition comprises (1) 10- 70% by weight of a chlorinated vinyl chloride resin having a chlorine content of 61-70% and specific viscosity of 0À18 to 0À35 and (2) 90- 30% by weight of a resin (A) prepared by copolymerizing 30-80% by weight of alphamethylstyrene, 5-50% of methyl methacrylate and 3-30% of acrylonitrile and a graft polymer (B) prepared by grafting 35-65% by weight of monomers comprising 25-80% by weight of styrene, 10-75% of methyl methacrylate and 0-25% of acrylonitrile on to 65-35% of a butadiene polymer, the weight ratio of resin (A) to graft polymer (B) being from 80-40% to 20-60%.