Polycarbonate resin composition
    21.
    发明授权
    Polycarbonate resin composition 失效
    聚碳酸酯树脂组合物

    公开(公告)号:US5916980A

    公开(公告)日:1999-06-29

    申请号:US943158

    申请日:1997-10-03

    摘要: A polycarbonate polymer and resin composition having excellent transparency and abrasion resistance, comprising a mixture of (i) a polycarbonate polymer having a repeating unit having a specific grafted polysiloxane structure, and (ii) from 0 to 20 wt % of a diorganopolysiloxane. The polycarbonate polymer is obtained by reacting (a) a specific polysiloxane compound and (b) a specific bisphenol compound with (c) a carbonate ester forming compound.

    摘要翻译: 具有优异的透明性和耐磨性的聚碳酸酯聚合物和树脂组合物,包含(i)具有特定接枝聚硅氧烷结构的重复单元的聚碳酸酯聚合物和(ii)0-20重量%的二有机聚硅氧烷的混合物。 聚碳酸酯聚合物通过(a)特定的聚硅氧烷化合物和(b)特定的双酚化合物与(c)形成碳酸酯的化合物反应而获得。

    Image-holding member, and electrophotographic apparatus, apparatus unit,
and facsimile machine employing the same
    22.
    发明授权
    Image-holding member, and electrophotographic apparatus, apparatus unit, and facsimile machine employing the same 失效
    图像保持部件和电子照相设备,装置单元和使用该装置的传真机

    公开(公告)号:US5283142A

    公开(公告)日:1994-02-01

    申请号:US836718

    申请日:1992-02-19

    摘要: The present invention provides an image-holding member which comprises an electroconductive support and a resin layer formed on the support, wherein the surface layer of the image-holding member contains a copolymer having the structure units represented by the formulas [I] and [II]: ##STR1## where A is a linear, branched or cyclic alkylidene group of 1 to 10 carbon atoms, an aryl-substituted alkylidene group, arylene-dialkylidene group, --O--, --S--, --CO--, --SO--, or --SO.sub.2 --; and R.sub.1, R.sub.2, R.sub.3, and R.sub.4 are respectively hydrogen, halogen, or an alkyl or alkenyl group of 1 to 4 carbons; ##STR2## where R.sub.5 is an alkylene or alkylidene group of 2 to 6 carbons; R.sub.6 and R.sub.7 are respectively an alkyl group of 1 to 3 carbons, a phenyl or substituted phenyl group; and n is an integer of from 1 to 200, and the copolymer containing the structure unit of the formula [II] in an amount of from 0.1 to 50% by weight Of the total weight of the copolymer.

    摘要翻译: 本发明提供了一种图像保持部件,其包括导电支持体和形成在支撑体上的树脂层,其中图像保持部件的表面层含有具有由式(I)和(II)表示的结构单元的共聚物 ):(*化学结构*)(I)其中A是1至10个碳原子的直链,支链或环状亚烷基,芳基取代的亚烷基,亚芳基 - 亚烷基,-O - , - S - , - CO-,-SO-或-SO 2 - ; R1,R2,R3和R4分别为氢,卤素或1〜4个碳原子的烷基或烯基; (*化学结构*)(II)其中R5是2-6个亚烷基或亚烷基; R6和R7分别是1〜3个碳的烷基,苯基或取代的苯基; n为1〜200的整数,含有式(II)的结构单元的共聚物的含量为共聚物总重量的0.1〜50重量%。