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    • 4. 发明授权
    • Thermoplastic elastomer compositions
    • 热塑性弹性体组合物
    • US4895903A
    • 1990-01-23
    • US185109
    • 1988-04-22
    • Seizo KobayashiKatumi UsuiTakashi Mizoe
    • Seizo KobayashiKatumi UsuiTakashi Mizoe
    • C08K5/13C08F210/16C08K3/10C08L23/00C08L23/08C08L23/10C08L23/14C08L23/16C09K3/10H01B3/44
    • C08L23/16C08L2205/03C08L23/0815C08L23/14C08L2312/04
    • A thermoplastic elastomer composition prepared by crosslinking a composition comprising the following components (A), (B) and (C) by using a phenolic curing agent:(A) 30-70 parts by weight of an ethylene/.alpha.-olefin copolymer prepared by copolymerizing ethylene and an .alpha.-olefin having 3 to 12 carbon atoms in the presence of a catalyst comprising a solid component and an organoaluminum compound which solid component contains at least magnesium and titanium, said ethylene/.alpha.-olefin copolymer having the following properties (I) to (IV):______________________________________ (I) Melt index 0.01-100 g/10 min (II) Density 0.860-0.910 g/cm.sup.3 (III) Maximum peak temperature as measured according to a not lower than 100.degree. C. differential scanning calorimetry (DSC) (IV) Insolubles in boiling n-hexane not less than 10 wt. % ______________________________________ (B) 70-30 parts by weight of a propylene polymer; and(C) 70-150 parts by weight, based on 100 parts by weight of the components (A) and (B), of an ethylene/.alpha.-olefin/non-conjugated diene copolymer rubber.
    • 通过使用酚类固化剂将包含以下组分(A),(B)和(C)的组合物交联制备的热塑性弹性体组合物:(A)30-70重量份由乙烯/α-烯烃共聚物制备的乙烯/α-烯烃共聚物 在包含固体组分和固体组分至少含有镁和钛的有机铝化合物的催化剂存在下,使乙烯和具有3至12个碳原子的α-烯烃共聚,所述乙烯/α-烯烃共聚物具有以下性质(I )至(IV): - (I)熔体指数0.01-100g / 10分钟 - (II)密度0.860-0.910g / cm 3 - (III)测量的最大峰 - 温度 - 不低于100℃ - 差示扫描量热法(DSC) - (IV)沸点正己烷中不溶于10重量% % - (B)70-30重量份丙烯聚合物; 和(C)基于100重量份组分(A)和(B))的70-150重量份的乙烯/α-烯烃/非共轭二烯共聚物橡胶。