COMPOUNDING AGENT FOR RUBBER VULCANIZATION CONTAINING AMINE SALT COMPOUND OF CARBOXYLIC ACID GROUP-CONTAINING DISULFIDE, METHOD FOR PRODUCING THE SAME, RUBBER COMPOSITION CONTAINING THE SAME, AND PNEUMATIC TIRE USING THE SAME IN RUBBER FOR BELT COAT AND/OR BELT EDGE CUSHION

申请公布号：EP2053085(A4)

申请号：EP20070792560

申请日期：2007.08.09

申请公布日期：2011.07.27

申请人：

THE YOKOHAMA RUBBER CO., LTD.

发明人：CHOI, WONMUN;SHIMIZU, YUUKI

分类号：C08L21/00;B60C1/00;B60C9/18;C07C319/22;C07C319/24;C07C323/52;C07C323/62;C08K5/40

主分类号：C08L21/00

摘要：A compounding agent for rubber vulcanization comprising an amine salt compound of a carboxylic acid group-containing disulfide having the formula (I): wherein R 1 , R 2 and R 3 are independently hydrogen or a C 1 -C 20 organic group which may have a heteroatom and/or a substituent group, and X is a C 2 -C 20 organic group which may have a heteroatom and/or a substituent group, a method for producing the same and a rubber composition containing the same, capable of improving the vulcanization rate and vulcanized rubber physical properties, without having a detrimental effect on the scorch time.

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