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    • 2. 发明申请
    • PNEUMATIC TIRE
    • 气动轮胎
    • US20110124771A1
    • 2011-05-26
    • US12622800
    • 2009-11-20
    • Paul Harry SandstromBrad Stephen GulasDavid Mark FrantzSteven Wayne CroninTang Hong WongMichael Joseph Rachita
    • Paul Harry SandstromBrad Stephen GulasDavid Mark FrantzSteven Wayne CroninTang Hong WongMichael Joseph Rachita
    • C08J5/14
    • C08L9/00B29B7/7495B60C1/00C08C19/44C08K3/36C08L9/06C08L15/00Y02T10/862C08L2666/08
    • The present invention is directed to a pneumatic tire having a component comprising a vulcanizable rubber composition comprising, based on 100 parts by weight of elastomer (phr),(A) from about 60 to about 90 phr of a polymer comprising (1) a terminating group provided from a terminating compound XnSi(OR)mR′4-m-n wherein X is a chlorine atom, a bromine atom or an iodine atom, R is an alkyl group with from about 1 carbon to about 7 carbons, R′ is a alkyl group with from about 1 carbon to about 20 carbons, an aryl group, a vinyl group or a halogenated alkyl group, m is an integer from about 1 to about 4, n is an integer from about 0 to about 2, and a sum of n and m is from 1 to 4; (2) repeat units comprising: (a) a repeat unit provided from a conjugated diolefin monomer, and (b) a repeat unit provided from an amine monomer; (B) from about 40 to about 10 phr of polybutadiene having a microstructure comprised of about 96 to about 99 percent cis 1,4-isomeric units, about 0.1 to about 1 percent trans 1,4-isomeric units and from about 1 to about 3 percent vinyl 1,2-isomeric units; a number average molecular weight (Mn) in a range of from about 75,000 to about 150,000 and a heterogeneity index (Mw/Mn) in a range of from about 3/1 to about 5/1; and(C) from about 50 to about 150 phr of silica.
    • 本发明涉及具有包含可硫化橡胶组合物的组分的充气轮胎,该组合物包含基于100重量份的弹性体(phr),(A)约60至约90phr的聚合物,其包含(1)终止 由末端化合物XnSi(OR)mR'4-mn提供的基团,其中X是氯原子,溴原子或碘原子,R是具有约1碳至约7个碳的烷基,R'是烷基 具有约1个碳至约20个碳的烷基,芳基,乙烯基或卤代烷基,m为约1至约4的整数,n为约0至约2的整数,以及 n和m为1至4; (2)重复单元,包括:(a)由共轭二烯单体提供的重复单元,和(b)由胺单体提供的重复单元; (B)约40至约10phr的具有约96至约99%的顺式1,4-异构体单元,约0.1至约1%的反式1,4-异构体单元和约1至约1%的微结构的聚丁二烯 3%乙烯基1,2-异构体单元; 在约75,000至约150,000范围内的数均分子量(Mn)和约3/1至约5/1范围内的异质指数(Mw / Mn); 和(C)约50至约150phr的二氧化硅。