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    • 2. 发明申请
    • Thermoplastic elastomer and molded product produced from the same
    • 热塑性弹性体和由其制成的模制品
    • US20060160951A1
    • 2006-07-20
    • US11312644
    • 2005-12-21
    • Hiroyuki MoriEiichirou AzamiMasahiko MinemuraMasaki Tanaka
    • Hiroyuki MoriEiichirou AzamiMasahiko MinemuraMasaki Tanaka
    • C08L83/00C08L25/10
    • C08L53/025C08L23/06C08L23/10C08L51/085C08L83/04C08L83/10C08L91/00C08L2666/24C08L2666/06
    • The present invention relates to a thermoplastic elastomer comprising: (a) a hydrogenated block copolymer having a weight-average molecular weight of 80,000 to 1,000,000, which is produced by hydrogenating a (A)-(B) type block copolymer and/or a (A)-(B)-(A) type block copolymer wherein (A) represents a vinyl aromatic compound block and (B) represents a conjugated diene polymer block, such that at least 90% of double bonds of a conjugated diene moiety of the block copolymers are saturated; (b) an olefin-based crystalline resin; (c) a hydrocarbon-based softening agent for rubbers; and (d) an acryl-modified organopolysiloxane, wherein a weight ratio of the component (a) to the component (b) ((a)/(b)) is 15:85 to 85:15; the component (c) is contained in an amount of 10 to 300 parts by weight based on 100 parts by weight of the component (a); the component (d) is contained in an amount of 0.1 to 10 parts by weight based on 100 parts by weight of a total amount of the components (a) to (c); and at least the components (a) and (d) are dynamically heat-treated in the presence of an organic peroxide. The thermoplastic elastomer of the present invention is excellent in not only flexibility and abrasion resistance, but also dry touch feel.
    • 本发明涉及一种热塑性弹性体,其包含:(a)通过氢化(A) - (B)型嵌段共聚物和/或((A) - (B)型嵌段共聚物)和(或)(A) - (B)型嵌段共聚物制备的重均分子量为80,000至1,000,000的氢化嵌段共聚物, A) - (B) - (A)型嵌段共聚物,其中(A)表示乙烯基芳族化合物嵌段,(B)表示共轭二烯聚合物嵌段,使得至少90%的共轭二烯部分的双键 嵌段共聚物饱和; (b)烯烃类结晶性树脂; (c)用于橡胶的烃基软化剂; 和(d)丙烯酸改性的有机聚硅氧烷,其中组分(a)与组分(b)((a)/(b))的重量比为15:85至85:15; 相对于成分(a)100重量份,成分(c)的含量为10〜300重量份。 相对于成分(a)〜(c)的总量100重量份,成分(d)的含量为0.1〜10重量份。 并且至少组分(a)和(d)在有机过氧化物的存在下被动态热处理。 本发明的热塑性弹性体不仅具有优异的柔软性和耐磨性,而且还具有干燥的触感。