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    • 4. 发明授权
    • Resin composition
    • 树脂组成
    • US5242981A
    • 1993-09-07
    • US752999
    • 1991-09-03
    • Mitsuhiko IzumiKenji YoshinoTadahiro Wakui
    • Mitsuhiko IzumiKenji YoshinoTadahiro Wakui
    • C08L67/00C08L69/00
    • C08L67/00C08L69/00
    • The improved resin composition comprises:(A) a melt-workable liquid-crystal polyester resin obtained by polymerizing components selected from the group consisting of a dicarboxylic acid represented by the general formula (a) HOOC--R.sub.1 --COOH, a diol represented by the general formula (b) HO--R.sup.2 --OH, and an oxycarboxylic acid represented by the general formula (c) HO--R.sup.3 --COOH;(B) a polycarbonate resin having a recurring unit represented by the general formula: ##STR1## (C) a polyolefin and/or an olefinic copolymer, and the polyolefin and/or olefinic copolymer (C) is contained in an amount of 1-15 parts by weight per 100 parts by weight of a resin consisting of 95-5 wt % of the liquid-crystal polyester resin (A) and 5-95 wt % of the polycarbonate resin(B). This resin composition is balanced between various physical properties including moldability, heat resistance, impact resistance, dimensional stability and stiffness.
    • 改进的树脂组合物包括:(A)通过聚合选自由通式(a)表示的二羧酸HOOC-R1-COOH组分的组分得到的可熔融加工的液晶聚酯树脂,由 通式(b)HO-R 2 -OH和由通式(c)HO-R 3 -COOH表示的羟基羧酸; (B)具有由下列通式表示的重复单元的聚碳酸酯树脂:(C)聚烯烃和/或烯烃共聚物,聚烯烃和/或烯烃共聚物(C)的含量为1- 15重量份/ 100重量份由95-5重量%液晶聚酯树脂(A)和5-95重量%聚碳酸酯树脂(B)组成的树脂。 该树脂组合物在各种物理性能(包括成型性,耐热性,耐冲击性,尺寸稳定性和刚度)之间是平衡的。