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    • 2. 发明授权
    • Resin composition
    • 树脂组成
    • US4061693A
    • 1977-12-06
    • US788433
    • 1977-04-18
    • Shigemitsu Kamiya
    • Shigemitsu Kamiya
    • C08L33/20C08L51/04
    • C08L33/20C08L51/04
    • An acrylonitrile resin composition capable of affording shaped articles having superior alcohol resistance, impact strength, transparency and gas-impermeability, said composition consisting essentially of (A) a resinous copolymer obtained by polymerizing a monomeric mixture consisting of (1) 60 to 90% by weight of acrylonitrile, (2) 1 to 35% by weight of at least one acrylic monomer selected from the group consisting of alkyl acrylates and alkyl methacrylates with the alkyl group containing 1 to 6 carbon atoms, and (3) 0.5 to 15% by weight of an alkyl methacrylate with the alkyl group containing 12 to 18 carbon atoms; and (B) a graft copolymer obtained by polymerizing (1) 40 to 80 parts by weight of a monomeric mixture consisting of (i) 30 to 90% by weight of acrylonitrile, (ii) 1 to 70% by weight of at least one acrylic monomer selected from the group consisting of alkyl acrylates and acryl methacrylates with the alkyl group containing 1 to 6 carbon atoms and (iii) 0 to 15% by weight of an alkyl methacrylate with the alkyl group containing 12 to 18 carbon atoms, in the presence of (2) 20 to 60 parts by weight of a diene-type rubbery polymer composed of at least 50% by weight of a conjugated diene unit and at most 50% by weight of an acrylonitrile unit, the total amount of the diene-type rubbery polymer (2) and the monomeric mixture (1) being 100 parts by weight; the ratio of the resinous copolymer (A) to the graft copolymer (B) being such that the content of the diene-type rubbery polymer used to prepare the graft copolymer (B) being 3 to 20% by weight based on the weight of the composition.
    • 能够提供具有优异的耐醇性,冲击强度,透明度和气体不渗透性的成型制品的丙烯腈树脂组合物,所述组合物基本上由(A)通过将由(1)60至90% 丙烯腈的重量,(2)1至35重量%的至少一种丙烯酸单体,其选自丙烯酸烷基酯和具有1-6个碳原子的烷基的甲基丙烯酸烷基酯,和(3)0.5至15重量% 含有12-18个碳原子的烷基的甲基丙烯酸烷基酯的重量; 和(B)通过聚合(1)40至80重量份由(i)30至90重量%的丙烯腈组成的单体混合物,(ii)1至70重量%的至少一种 选自丙烯酸烷基酯和具有1-6个碳原子的烷基的丙烯酸甲酯化的丙烯酸单体和(iii)0-15重量%的具有12-18个碳原子的烷基的甲基丙烯酸烷基酯,在 存在(2)20至60重量份由至少50重量%的共轭二烯单元和至多50重量%的丙烯腈单元组成的二烯类橡胶质聚合物,二烯类橡胶聚合物的总量, 型橡胶状聚合物(2)和单体混合物(1)为100重量份; 树脂共聚物(A)与接枝共聚物(B)的比例使得用于制备接枝共聚物(B)的二烯类橡胶聚合物的含量为3〜20重量%,基于 组成。