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公开(公告)号：US10435485B2
公开(公告)日：2019-10-08
申请号：US15327123
申请日：2015-07-09
摘要： A polymer comprises randomly distributed units UA, UB, UC and UD and at least one unit bearing a subunit F according to the respective molar percentages m, n, o, p and f F pendant along the chain of the polymer and bearing an associative group comprising at least one nitrogen atom, R1 and R2, which are identical or different, denoting a hydrogen atom, a methyl radical or a phenyl radical which is unsubstituted or substituted in the ortho, meta or para position by a methyl radical, m≥50, n≥0, o≥0, f>0, 0
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公开(公告)号：US10239971B2
公开(公告)日：2019-03-26
申请号：US14651531
申请日：2013-12-09
发明人： Perrine Vallat , Etienne Fleury , Jose-Carlos Araujo Da Silva , Jean-Michel Favrot , Anne-Frederique Salit , Nicolas Seeboth
IPC分类号： C08F136/08 , C08L47/00 , B29D30/08 , B60C11/00 , B60C1/00 , C08C19/22 , C08K3/36 , C08L15/00 , C08L9/02
摘要： A heavy-duty vehicle tire comprising a tread consisting of a crosslinked rubber composition comprising a reinforcing filler of siliceous type and a synthetic polyisoprene modified by grafting with a compound comprising at least one group Q, and at least one group A, which are joined to one another by at least one and preferably one “spacer” group Sp, in which: Q comprises a dipole containing at least one and preferably one nitrogen atom, A comprises an associative group comprising at least one nitrogen atom, Sp is an atom or group of atoms forming a bond between Q and A. The heavy-duty vehicle tire according to the invention has a satisfactorily improved rolling resistance/wear resistance compromise.
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