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    • 2. 发明申请
    • Impact-Resistant Vinyl Aromatic Hydrocarbon Resin
    • 抗冲击乙烯基芳烃树脂
    • US20070260017A1
    • 2007-11-08
    • US11661182
    • 2004-08-31
    • Takaaki MatsudaToshinori Shiraki
    • Takaaki MatsudaToshinori Shiraki
    • C08F287/00
    • C08F287/00
    • An impact-resistant vinyl aromatic hydrocarbon resin, the hydrocarbon resin being produced by radical polymerization of 75 to 98 parts by mass of a vinyl aromatic hydrocarbon monomer (A-1) or a mixture of a vinyl aromatic hydrocarbon monomer and a monomer copolymerizable therewith (A-2) and 2 to 25 parts by mass of a modified block copolymer (B), wherein the component (B) comprises a base block copolymer (B-1) comprising conjugated diene monomer units and vinyl aromatic hydrocarbon monomer units and containing at least one polymer block of vinyl aromatic hydrocarbon monomer units (H), and a modifier group bonded thereto (B-2); and the component (B) has the following characteristics: (i) the content of the vinyl aromatic hydrocarbon monomer units is 12 to 50 mass %; (ii) the content of the polymer block (H) is 12 to 45 mass %; and (iii) the polymer block ratio (the mass % of the polymer block (H) based on the total mass of vinyl aromatic hydrocarbon monomer units contained in (B)) is more than 50 mass %.
    • 耐冲击乙烯基芳烃树脂,该烃树脂通过自由基聚合制得75〜98质量份的乙烯基芳香族烃单体(A-1)或乙烯基芳香族烃单体与可与其共聚的单体的混合物 A-2)和2〜25质量份改性嵌段共聚物(B),其中组分(B)包含含有共轭二烯单体单元和乙烯基芳烃单体单元的基础嵌段共聚物(B-1) 至少一个乙烯基芳烃单体单元(H)的聚合物嵌段和与其键合的改性基团(B-2); 组分(B)具有以下特性:(i)乙烯基芳烃单体单元的含量为12〜50质量% (ⅱ)聚合物嵌段(H)的含量为12〜45质量%。 和(iii)聚合物嵌段比(基于(B)中所含的乙烯基芳族烃单体单元的总质量)的聚合物嵌段(H)的质量%)大于50质量%。