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    • 7. 发明公开
    • Thermoplastic elastomer composition
    • LUFTREIFEN MIT EINEM FILM AUS EINEM THERMOPLASTISCHEN ELASTOMERZUSAMMENSETZUNG ALS INNENSCHICHT
    • EP2281852A1
    • 2011-02-09
    • EP10171726.2
    • 2010-08-03
    • The Yokohama Rubber Company, Limited
    • Kawaguchi, KoichiMorooka, Naoyuki
    • C08L29/04C08L51/04B60C1/00
    • C08L29/04B60C1/0008C08K5/372C08K5/3725C08K5/42C08L23/0861C08L51/04C08L2205/22Y10T152/10234C08L2666/24C08L2666/04
    • An object of the present invention is, in a thermoplastic elastomer composition in which a modified rubber is dispersed and filled in an ethylene-vinyl alcohol copolymer matrix in order to improve the low-temperature durability of the ethylene-vinyl alcohol copolymer, to reduce the extrusion load during extrusion molding thereof into a film without deteriorating the low-temperature durability. The present invention is a thermoplastic elastomer composition comprising an ethylene-vinyl alcohol copolymer (A) and a modified rubber (B) dispersed in the ethylene-vinyl alcohol copolymer (A), wherein the modified rubber (B) has an acid anhydride group or epoxy group and is dynamically cross-linked by a compound (C) having at least two amino groups. This thermoplastic elastomer composition can be suitably used in the production of an inner liner of a pneumatic tire.
    • 本发明的目的在于,为了提高乙烯 - 乙烯醇共聚物的低温耐久性,将改性橡胶分散填充在乙烯 - 乙烯醇共聚物基体中的热塑性弹性体组合物中, 将其挤出成型时的挤出负荷变为膜而不劣化低温耐久性。 本发明是一种热塑性弹性体组合物,其包含分散在乙烯 - 乙烯醇共聚物(A)中的乙烯 - 乙烯醇共聚物(A)和改性橡胶(B),其中改性橡胶(B)具有酸酐基或 并且通过具有至少两个氨基的化合物(C)动态交联。 该热塑性弹性体组合物可以适用于充气轮胎的内衬的制造。