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    • 6. 发明申请
    • Polymer alloy, crosslinked object, and fuel hose
    • 聚合物合金,交联物体和燃料软管
    • US20060281865A1
    • 2006-12-14
    • US10562146
    • 2004-06-25
    • Shinji Komiyama
    • Shinji Komiyama
    • C08L33/18C08L33/06
    • F16L11/04C08L9/02C08L33/04C08L33/20C08L2205/02F16L2011/047C08L2666/04
    • A polymer alloy comprising 40 to 90 wt % of nitrile copolymer rubber (A) and 10 to 60 wt % of an acrylic resin (B), wherein the acrylic resin (B) comprises (meth)acrylic ester monomer units and α,β-ethylenically unsaturated nitrile monomer units and a content of said α, β-ethylenically unsaturated nitrile monomer units is larger than 27 wt % but not larger than 65 wt % with respect to a total amount of the acrylic resin (B) is used. According to the invention, it is possible to provide a polymer alloy suitably used as a fuel hose material and having excellent balance of ozone resistance and resistance to fuel oils (in particular, resistance to alcohol-containing gasoline) while maintaining cold resistance and gasoline impermeability.
    • 包含40-90重量%的腈共聚物橡胶(A)和10-60重量%丙烯酸树脂(B)的聚合物合金,其中丙烯酸树脂(B)包含(甲基)丙烯酸酯单体单元和α,β- 烯键式不饱和腈单体单元和所述α,β-烯属不饱和腈单体单元的含量相对于使用丙烯酸树脂(B)的总量大于27重量%但不大于65重量%。 根据本发明,可以提供适合用作燃料软管材料的聚合物合金,并且在保持耐寒性和汽油不渗透性的同时具有优异的耐臭氧性和燃料油平衡(特别是耐醇醇汽油) 。
    • 7. 发明申请
    • Rubber vulcanizate, process for its production, and polymer composition, rubber composition and vulcanizable rubber composition used in the process
    • 橡胶硫化橡胶,其生产方法和聚合物组合物,橡胶组合物和可硫化橡胶组合物用于该方法
    • US20050070667A1
    • 2005-03-31
    • US10496804
    • 2002-11-27
    • Takashi ToyaShinji KomiyamaTsutomu Yoshimura
    • Takashi ToyaShinji KomiyamaTsutomu Yoshimura
    • C08L9/02C08L33/00C08L33/12C08F8/00
    • C08L9/02C08L33/00C08L33/12C08L2666/04C08L2666/08
    • This invention provides a rubber vulcanizate of a nitrile group-containing copolymer rubber, exhibiting enhanced ozone resistance. The rubber vulcanizate is made by heat-treating a polymer composition comprising 40-90 wt. % of a nitrile group-containing copolymer rubber (1), and 60-10 wt. % of particles having an average particle diameter of not larger than 10 μm comprised of an acrylic resin (2) comprising methyl acrylate or methacrylate units as the main structural units and containing not larger than 0.01 eq. wt., per 100 g of acrylic resin (2), of a crosslink-forming functional group, at a temperature in the range of (T+20)° C. to (T+90)° C. wherein T is a temperature which is selected from glass transition temperature of acrylic resin (2) and melting temperature of acrylic resin (2), and is higher than the other of the two temperatures, to thereby prepare a rubber composition; incorporating a vulcanizer in the rubber composition; and vulcanizing the thus-obtained vulcanizable rubber composition.
    • 本发明提供了含有腈基的共聚物橡胶的橡胶硫化橡胶,具有增强的耐臭氧性。 橡胶硫化橡胶通过热处理包含40-90wt。 含腈基共聚物橡胶(1)的%,和60〜10重量% 平均粒径不大于10μm的由包含丙烯酸甲酯或甲基丙烯酸甲酯单元作为主要结构单元并且不大于0.01当量的丙烯酸树脂(2)组成的颗粒的百分比。 在(T + 20)℃至(T + 90)℃范围内的温度下,每100g丙烯酸树脂(2)交联形成官能团的重量百分数。其中T是温度 其选自丙烯酸树脂(2)的玻璃化转变温度和丙烯酸树脂(2)的熔融温度,并且高于两个温度中的另一个,从而制备橡胶组合物; 在橡胶组合物中加入硫化剂; 并硫化由此获得的可硫化橡胶组合物。