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1. 发明公开

EP3176210A1 PRODUCTION METHOD FOR RUBBER COMPOSITION FOR TIRES 审中-公开
标题翻译：轮胎用橡胶组合物的生产方法
公开(公告)号：EP3176210A1
公开(公告)日：2017-06-07
申请号：EP16198902.5
申请日：2016-11-15
申请人： Sumitomo Rubber Industries, Ltd.
发明人： KOMORI, Yoshihiko
IPC分类号： C08L9/06
CPC分类号： C08L9/06 , B60C1/00 , B60C1/0016 , C08K3/36 , C08K5/09 , C08K5/092 , C08K5/31 , C08K5/548 , C08L9/00
摘要： Provided is a production method for a rubber composition for tires which improves the rate of a reaction between a silane coupling agent and silica and by which a rubber composition for tires that has low fuel consumption performance, fracture properties, and processability that are improved in a balanced manner is obtained. The production method for the rubber composition for tires includes: a base kneading step of kneading a rubber component, silica, a silane coupling agent, a water-soluble acidic substance, and a water-insoluble basic substance; and a finish kneading step of feeding a vulcanizing material to a kneaded product obtained in the base kneading step, and kneading the resultant mixture.
摘要翻译：本发明提供一种轮胎用橡胶组合物的制造方法，该制造方法提高硅烷偶联剂与二氧化硅的反应速度，并且提供一种轮胎用橡胶组合物，该轮胎用橡胶组合物具有低的燃料消耗性能，断裂性能和加工性能，平衡的方式获得。用于轮胎用橡胶组合物的生产方法包括：捏合橡胶组分，二氧化硅，硅烷偶联剂，水溶性酸性物质和水不溶性碱性物质的基础捏合步骤; 以及将精炼材料供给至在基础捏合步骤中获得的捏合产物并捏合所得到的混合物的精加工捏合步骤。

2. 发明公开

EP3978269A1 TIRE 审中-公开
公开(公告)号：EP3978269A1
公开(公告)日：2022-04-06
申请号：EP20832761.9
申请日：2020-05-29
申请人： Sumitomo Rubber Industries, Ltd.
发明人： KOMORI, Yoshihiko , MIYAZAKI, Tatsuya
IPC分类号： B60C1/00 , C08K5/20 , C08K5/548 , C08L21/00 , C08L101/00 , C08K3/013 , C08K3/04 , C08K3/36
摘要： Provided is a tire which provides improved overall performance in terms of wet grip performance and abrasion resistance. Included is a tire including a tread containing a rubber composition, the rubber composition containing at least one rubber component and at least one silane coupling agent having a sulfur content of 10% by mass or higher, the rubber composition having an ash content of 36% by mass or higher, the rubber composition having a sulfur content of 1.0% by mass or lower when measured after acetone extraction.

3. 发明公开

EP3176211A1 PRODUCTION METHOD FOR RUBBER COMPOSITION FOR TIRES 审中-公开
标题翻译：轮胎用橡胶组合物的生产方法
公开(公告)号：EP3176211A1
公开(公告)日：2017-06-07
申请号：EP16198903.3
申请日：2016-11-15
申请人： Sumitomo Rubber Industries, Ltd.
发明人： KOMORI, Yoshihiko
IPC分类号： C08L9/06
CPC分类号： C08K3/36 , C08K5/09 , C08K5/092 , C08K5/31 , C08K5/548 , C08L9/00 , C08L9/06
摘要： Provided is a production method for a rubber composition for tires which improves the rate of a reaction between a silane coupling agent and silica and by which a rubber composition for tires that has low fuel consumption performance, fracture properties, and processability that are improved in a balanced manner is obtained. The production method for the rubber composition for tires includes: a base kneading step of kneading a rubber component, silica, a silane coupling agent, and a water-soluble acidic substance, and then feeding and kneading a basic substance; and a finish kneading step of feeding a vulcanizing material to a kneaded product obtained in the base kneading step, and kneading the resultant mixture.
摘要翻译：本发明提供一种轮胎用橡胶组合物的制造方法，该制造方法提高硅烷偶联剂与二氧化硅的反应速度，并且提供一种轮胎用橡胶组合物，该轮胎用橡胶组合物具有低的燃料消耗性能，断裂性能和加工性能，平衡的方式获得。该轮胎用橡胶组合物的制造方法包括：将橡胶成分，二氧化硅，硅烷偶联剂和水溶性酸性物质混炼，然后供给并混炼碱性物质的基材混炼工序; 以及将精炼材料供给至在基础捏合步骤中获得的捏合产物并捏合所得到的混合物的精加工捏合步骤。

4. 发明公开

EP3848209A1 TIRE AND METHOD OF EVALUATING TIRE GRIP PERFORMANCE 审中-公开
公开(公告)号：EP3848209A1
公开(公告)日：2021-07-14
申请号：EP19864813.1
申请日：2019-09-05
申请人： Sumitomo Rubber Industries, Ltd.
发明人： MATSUNAGA, Takanobu , KOMORI, Yoshihiko , MIYAZAKI, Tatsuya
IPC分类号： B60C11/00 , B60C1/00 , B60C19/00 , C08K5/18 , C08L21/00
摘要： The present invention aims to provide tires which exhibit satisfactory grip performance both before and after running-in. The present invention relates to tires including a tread rubber, the tread rubber satisfying the following relationship (I): a / b ≥ 0.75 wherein the symbols (a) and (b) represent the minimum and maximum Martens hardnesses, respectively, of a tire tread contact portion measured in a region from 10 µm to 200 µm deep in the tire radial direction from the tire surface.

5. 发明公开

EP2987826A1 TIRE AND METHOD FOR PRODUCING TIRE 审中-公开
标题翻译：轮胎和生产轮胎的方法
公开(公告)号：EP2987826A1
公开(公告)日：2016-02-24
申请号：EP15180926.6
申请日：2015-08-13
申请人： SUMITOMO RUBBER INDUSTRIES, LTD.
发明人： KOMORI, Yoshihiko
IPC分类号： C08K5/378
CPC分类号： C08K5/378 , B60C1/00 , B60C1/0025 , B60C2001/005 , B60C2001/0066 , C08C19/22 , C08K3/04 , C08K3/22 , C08K2003/045 , C08K2003/2296 , C08K2201/006 , C08L7/00 , C08L9/00
摘要： [Subject Matter] To provide a tire having an inner member made of a rubber composition that has excellent fuel efficiency properties and contributes to maintaining processability and excellent rubber strength derived from the contained carbon black, and to provide a method for producing such a tire.
[Solution(s)] A tire is provided with an inner member made of a rubber composition, which is formed with a rubber component containing isoprene-based rubber at 60∼100 mass%, 15∼55 parts by mass of a carbon black based on 100 parts by mass of the rubber component, 0.05∼20 parts by mass of a sulfide compound, represented by formula (I) below, based on 100 parts by mass of the carbon black, and the carbon black is made up of 5∼55 parts by mass of a carbon black (A) having a nitrogen adsorption specific surface area of less than 50 m 2 /g and of 0∼30 parts by mass of a carbon black (B) having a nitrogen adsorption specific surface area of 50 m 2 /g or greater; and its manufacturing method.
摘要翻译： [主题]为了提供具有燃料效率优异且有助于维持加工性和来自所含炭黑的优异橡胶强度的由橡胶组合物制成的内部构件的轮胎以及提供用于制造这种轮胎的方法。 [解决方法]轮胎具备由橡胶组合物形成的内部部件，该内部部件由含有异戊二烯系橡胶的橡胶成分以60〜100质量％形成，含有15〜55质量份的炭黑类在100质量份橡胶组分中，相对于100质量份炭黑，0.05〜20质量份由下式（I）表示的硫化物，炭黑由5〜 55质量份的氮吸附比表面积小于50m 2 / g的炭黑（A）和0〜30质量份的具有50m 2的氮吸附比表面积的炭黑（B） /克或更大; 及其制造方法。

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