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    • 9. 发明授权
    • Conjugated diene polymer rubber, and conjugated diene polymer rubber composition
    • 共轭二烯聚合物橡胶和共轭二烯聚合物橡胶组合物
    • US09315608B2
    • 2016-04-19
    • US14219540
    • 2014-03-19
    • SUMITOMO CHEMICAL COMPANY, LIMITED
    • Toru FujiiTakuya SudoMayumi OshimaKatsunari Inagaki
    • C08F279/02C08C19/44C08F236/04C08L15/00C08L19/00C08K3/36C08K5/548
    • C08F279/02C08C19/44C08F236/04C08K3/36C08K5/548C08L15/00C08L19/006C08F4/48C08L2666/08
    • A conjugated diene polymer rubber is provided that includes component (A) and component (B) below, component (A) having a content, with the total amount of component (A) and component (B) as 100% by weight, of from 5% to 90% by weight, and component (B) having a content of from 95% to 10% by weight, Component (A): a conjugated diene polymer rubber component modified with a carbonyl group- and substituted amino group-containing compound Component (B): a conjugated diene polymer rubber component modified with a compound represented by formula (IIa) below (R21O)mSi(R22A)nR234-m-n  (IIa) wherein m denotes a number from 1 to 3, n denotes a number from 1 to 3, m+n is from 2 to 4, R21 and R23 denote a hydrocarbyl group, R22 denotes a hydrocarbylene group, A denotes a substituted amino group or an optionally substituted hydrocarbyloxy group, when there are a plurality of R21s the plurality of R21s may be identical to or different from each other, when there are a plurality of R22s the plurality of R22s may be identical to or different from each other, when there are a plurality of R23s the plurality of R23s may be identical to or different from each other, and when there are a plurality of As the plurality of As may be identical to or different from each other.
    • 提供了包含下述组分(A)和组分(B))的共轭二烯聚合物橡胶,组分(A)的含量为组分(A)和组分(B)的总量为100重量% 组分(A):用羰基和取代的含氨基的化合物改性的共轭二烯聚合物橡胶组分(B)含量为95重量%至10重量%的组分(B) 组分(B):用下式(IIa)表示的化合物(R21O)mSi(R22A)nR234-mn(Ⅱa)改性的共轭二烯聚合物橡胶组分,其中m表示1至3的数,n表示 1〜3,m + n为2〜4,R21和R23表示烃基,R22表示亚烃基,A表示取代氨基或任选取代的烃氧基,当存在多个R 21时, 当存在多个R22时,R21可以彼此相同或不同 当存在多个R23可以彼此相同或不同的多个R23时,并且当存在多个时,R22的优先级可以彼此相同或不同,因为多个As可以与 或彼此不同。