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    • 1. 发明授权
    • Resin composition
    • 树脂组成
    • US5580928A
    • 1996-12-03
    • US559144
    • 1995-11-17
    • Toru DoiHiroshi Inoue
    • Toru DoiHiroshi Inoue
    • C08L23/02C08L25/12C08L33/00C08L35/00
    • C08L25/12C08L35/00C08L23/02C08L33/00
    • A resin composition is disclosed which comprises:(a) from 1 to 99% by weight of a maleimide-olefin copolymer comprising from 40 to 60 mol % of structural unit (I) shown below and from 60 to 40 mol % of structural unit (II) shown below and having a number-average molecular weight of from 1.times.10.sup.3 to 5.times.10.sup.6 : ##STR1## wherein R.sup.1 is hydrogen or an alkyl having 1 to 6 carbon atoms, ##STR2## wherein R.sup.2 and R.sup.3 each is hydrogen or an alkyl having 1 to 6 carbon atoms; and(b) from 99 to 1% by weight of an acrylonitrile-styrene copolymer containing from 21 to 45% by weight of an acrylonitrile units. The composition is excellent in optical properties including transparency and low birefringence and in heat resistance and mechanical properties.
    • 公开了一种树脂组合物,其包含:(a)1至99重量%的包含40至60摩尔%的下述结构单元(I)的马来酰亚胺 - 烯烃共聚物和60至40摩尔%的结构单元( II),其数均分子量为1×10 3至5×10 6:(I)其中R 1为氢或具有1至6个碳原子的烷基,其中R 2和R 3各自为 氢或具有1至6个碳原子的烷基; 和(b)99至1重量%的含有21至45重量%丙烯腈单元的丙烯腈 - 苯乙烯共聚物。 该组合物的光学性质优异,包括透明性和低双折射性,耐热性和机械性能。