公开(公告)号：EP3196233A4

公开(公告)日：2018-06-20

申请号：EP15856571

申请日：2015-11-06

申请人： SUMITOMO RUBBER IND

发明人： YAMANA AYUKO ,  YOKOYAMA YUKA ,  NAKATANI MASAKO ,  MIKI TAKASHI ,  HORIGUCHI TAKUYA ,  MIZUNO YOICHI ,  KAWACHI TAKAHIRO ,  OKABE NOBORU ,  SUGIMOTO NATSUKI ,  UESAKA KENICHI ,  MAEKAWA TETSUYA ,  SUZUKI YUMI ,  KATO FUMIYA

IPC分类号： C08J3/20 ,  B29C35/02 ,  B60C1/00 ,  C07C279/02 ,  C08K3/36 ,  C08K5/103 ,  C08K5/372 ,  C08K5/54 ,  C08K5/548 ,  C08L7/00 ,  C08L9/00 ,  C08L9/06 ,  C08L21/00

CPC分类号： B60C1/0016 ,  B29C35/02 ,  B60C1/00 ,  C07C279/02 ,  C08J3/20 ,  C08K3/36 ,  C08K5/103 ,  C08K5/372 ,  C08K5/54 ,  C08K5/548 ,  C08K2201/006 ,  C08L7/00 ,  C08L9/00 ,  C08L9/06 ,  C08L21/00 ,  C08L2205/03

摘要： According to a production method of a rubber composition for tire of the present invention comprising a rubber component (A) comprising at least one selected from the group consisting of a natural rubber and a synthetic diene rubber, a filler, a coupling agent (D) represented by the following chemical formula (1), and a vulcanizing agent (E) comprising a vulcanizer and a vulcanization accelerator, the method comprising: (step X1) a step X1 of kneading all amount of A, a part of the filler and a part of D, (step X2) a step X2 of kneading the kneaded product of step X1, the remaining amount of the filler and D, and (step F) a step F of kneading the kneaded product of step X2 and E, it is possible to produce a rubber composition for tire in which fuel efficiency and abrasion resistance are improved in a good balance. Chemical formula (1): (C p H 2p+1 O) 3 -Si-(CH 2 ) q -S-CO-C k H 2k+1 In the chemical formula (1), p represents an integer of 1 to 3, q represents an integer of 1 to 5, and k represents an integer of 5 to 12.

公开(公告)号：EP3064546A4

公开(公告)日：2017-07-12

申请号：EP14863387

申请日：2014-10-27

申请人： SUMITOMO RUBBER IND

发明人： NISHIOKA KAZUYUKI ,  UESAKA KENICHI ,  KAWACHI TAKAHIRO ,  NAKATANI MASAKO ,  TANAKA TATSUHIRO ,  KATO FUMIYA

IPC分类号： C08L15/00 ,  B60C1/00 ,  C08C19/22 ,  C08C19/25 ,  C08C19/44 ,  C08F236/00 ,  C08F236/10 ,  C08K3/36 ,  C08K5/548 ,  C08L9/00 ,  C08L47/00

CPC分类号： C08L47/00 ,  B60C1/0016 ,  C08C19/22 ,  C08C19/25 ,  C08C19/44 ,  C08F236/10 ,  C08L9/00 ,  C08L2205/03 ,  C08L2205/035 ,  C08K5/548 ,  C08L15/00 ,  C08K3/36

摘要： The present invention provides a pneumatic tire provided with a tread formed from a rubber composition that can achieve balanced improvements in fuel economy and wet-grip performance. The present invention relates to a pneumatic tire provided with a tread formed from a rubber composition, the rubber composition containing a rubber component, silica, and a specific silane coupling agent, the rubber component containing, based on 100% by mass of the rubber component, not less than 5% by mass of a conjugated diene polymer containing a constituent unit based on a conjugated diene and a specific constituent unit, at least one terminal of the polymer being modified with a specific compound, the rubber composition containing the silica in an amount of 5 to 150 parts by mass relative to 100 parts by mass of the rubber component.

摘要翻译： 本发明提供一种充气轮胎，该充气轮胎设置有由橡胶组合物形成的胎面，该橡胶组合物能够实现燃料经济性和湿抓地性能的平衡改进。 本发明涉及一种充气轮胎，其具备由橡胶组合物形成的胎面，所述橡胶组合物含有橡胶成分，二氧化硅和特定的硅烷偶联剂，所述橡胶成分相对于100质量％橡胶成分 ，含有基于共轭二烯和特定结构单元的结构单元的共轭二烯聚合物不少于5质量％，所述聚合物的至少一个末端用特定化合物改性，所述橡胶组合物含有 相对于橡胶成分100质量份为5〜150质量份。