| 摘要 |
1480819 Flame retardant resin compositions DAICEL Ltd and MITSUBISHI GAS CHEMICAL CO Inc 27 Sept 1974 [28 Sept 1973] 42073/74 Headings C3G C3P and C3R Impact resistant, flame retardant compositions comprise (I) a resin blend comprising (A) 15 to 85 weight per cent of ABS resin and (B) the balance of a high molecular weight aromatic copolycarbonate derived from 5 to 50 weight per cent of bisphenol the nucleus of which is halogen substituted and the balance being unsubstituted bisphenol, and (II) 0À3 to 5 parts by weight per 100 parts of (I) of a flame retardant inorganic or organic antimony compound. The antimony compound may be antimony trioxide, antimony phosphate, an organic acid salt or cycloalkyl antimonite. Examples describe compositions comprising antimony trioxide, a copolycarbonate prepared from phosgene, bisphenol A and tetrabromobisphenol A, and ABS resins prepared by polymerizing styrene and acrylonitrile, with and withoutα- methylstyrene in the presence of a styrene/ butadiene copolymer rubber, optionally together with styrene/acrylonitrile resin or homopolycarbonate of bisphenol A or of tetrabromo-bisphenol A.
|
