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公开(公告)号：US20170226233A1
公开(公告)日：2017-08-10
申请号：US15503111
申请日：2015-07-10
Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.
Inventor： Yuhei YAMASHIRO , Kazuya TORITA , Ryota KITAGO , Soh ISHINO
CPC classification number: C08C19/00 , B60C1/0016 , C08C19/02 , C08F236/10 , C08K3/04 , C08K3/36 , C08K2201/006 , C08L15/00 , C08L91/00 , C08L91/06 , C08K3/22 , C08K5/09 , C08K5/548 , C08K5/18 , C08K5/47 , C08K5/31 , C08L7/00 , C08L9/00
Abstract: The present invention provides a pneumatic tire having well-improved rubber tensile strength and abrasion resistance while maintaining or improving good fuel economy. The present invention relates to a pneumatic tire formed from a rubber composition, the rubber composition containing: a hydrogenated copolymer obtained by copolymerization of an aromatic vinyl compound and a conjugated diene compound, the hydrogenated copolymer having a degree of hydrogenation of the conjugated diene units of 75 mol % or more; carbon black; and silica, the rubber composition containing, per 100% by mass of the rubber component, 75% by mass or more of the hydrogenated copolymer, the rubber composition containing, relative to 100 parts by mass of the rubber component, 3 parts by mass or more of the carbon black and 1 to 200 parts by mass of the silica.
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2.发明申请RUBBER COMPOSITION AND PNEUMATIC TIRE HAVING TREAD FABRICATED USING RUBBER COMPOSITION 审中-公开橡胶组合物和使用橡胶组合物制成的橡胶组合物的气动轮胎公开(公告)号：US20160288570A1
公开(公告)日：2016-10-06
申请号：US15034715
申请日：2014-07-29
Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.
Inventor： Koji FUJISAWA , Gen HIGA , Satoko KITAMURA , Takahiro MABUCHI , Kazuya TORITA
CPC classification number: B60C1/0016 , B60C11/0008 , C08F2/38 , C08F4/34 , C08F222/14 , C08K3/04 , C08K3/36 , Y02T10/862 , C08F212/08 , C08L9/00
Abstract: Provided are a rubber composition that shows a balanced improvement in fuel economy, abrasion resistance, and wet grip performance while having good processability, and a pneumatic tire including a tread formed from the rubber composition. The present invention relates to a rubber composition containing: a copolymer synthesized by copolymerization of a conjugated diene monomer and a compound represented by the formula (1) below; and carbon black and/or silica, wherein R11 and R12 are the same as or different from each other and each represent a hydrogen atom or a C1-C30 hydrocarbon group.
Abstract translation: 其中R 11和R 12彼此相同或不同，并且各自表示氢原子或C 1 -C 30烃基。
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公开(公告)号：US20170226325A1
公开(公告)日：2017-08-10
申请号：US15503236
申请日：2015-07-10
Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.
Inventor： Yuhei YAMASHIRO , Kazuya TORITA , Soh ISHINO
CPC classification number: C08K5/548 , B60C1/0016 , B60C1/0025 , B60C1/0041 , B60C11/005 , B60C2001/005 , B60C2001/0066 , C08K3/04 , C08K3/36 , C08L15/00 , C08L7/00 , C08L91/00 , C08L91/06 , C08K5/18 , C08K5/09 , C08K3/22 , C08K3/06 , C08K5/31 , C08K5/47
Abstract: The present invention provides a pneumatic tire with well improved fuel economy, rubber tensile strength, and abrasion resistance. The present invention relates to a pneumatic tire formed from a rubber composition, the rubber composition containing: a hydrogenated copolymer obtained by copolymerization of an aromatic vinyl compound and a conjugated diene compound, the hydrogenated copolymer having a degree of hydrogenation of the conjugated diene units of 75 mol % or more; silica; and a silane coupling agent 1 containing a carbonylthio group (—S—C(═O)—) but no mercapto group (—SH) and/or a silane coupling agent 2 containing a mercapto group (—SH), the rubber composition containing, per 100% by mass of a rubber component, 75% by mass or more of the hydrogenated copolymer.
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