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    • 4. 发明授权
    • Polycarbonate resin composition useful in optical applications
    • 用于光学应用的聚碳酸酯树脂组合物
    • US4670479A
    • 1987-06-02
    • US891887
    • 1986-08-01
    • Masayoshi Miyauchi
    • Masayoshi Miyauchi
    • G02B1/04C08K3/00C08K5/103C08K5/50C08L69/00G02C7/00
    • C08K5/103C08K5/50
    • A polycarbonate resin composition comprising a blended mixture of(A) a polycarbonate resin having a viscosity average molecular weight of from about 13,000 to about 18,000,(B) 0.0001 to less than 0.02% by weight, based on the weight of the resin (A), of an organic phosphine, and(C) 0 to 0.5% by weight, based on the weight of the resin (A), of a partial ester of a monobasic fatty acid having 10 to 22 carbon atoms with a polyhydric alcohol having 2 to 10 carbon atoms,the amount of the partial ester (C) being 0.01 to 0.5% by weight when the amount of the organic phosphine (B) is not less than 0.005% by weight, and said composition containing less than 0.004%, based on the weight of the resin (A), of chlorine.
    • 一种聚碳酸酯树脂组合物,其包含(A)粘均分子量为约13,000至约18,000的聚碳酸酯树脂,(B)0.0001至小于0.02重量%的混合混合物,基于树脂(A ),有机膦的(C)0〜0.5重量%(C)0〜0.5重量%,基于树脂(A)的重量,具有10-22个碳原子的一元脂肪酸的偏酯与多元醇具有2 至10个碳原子时,当有机膦(B)的量不小于0.005重量%时,偏酯(C)的量为0.01至0.5重量%,所述组合物含有小于0.004重量% 关于树脂(A)的重量的氯。