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1. 发明授权

EP3312232B1 RUBBER COMPOSITION FOR TIRES AND PNEUMATIC TIRE 有权转让
公开(公告)号：EP3312232B1
公开(公告)日：2019-08-07
申请号：EP17193899.6
申请日：2017-09-28
申请人： SUMITOMO RUBBER INDUSTRIES, LTD. , Shin-Etsu Chemical Company, Ltd.
发明人： TOKIMUNE, Ryuichi , TSUCHIDA, Tsuyoshi , KITAGO, Ryota , ISHINO, Soh , KISHIMOTO, Hiroyuki , HIROKAMI, Munenao , YAMADA, Tetsuro
IPC分类号： B60C1/00 , C08K3/36 , C08K5/5419 , C08K5/548 , C08L9/06 , C08L9/00

2. 发明公开

EP3214121A1 RUBBER COMPOSITION FOR TIRES, AND PNEUMATIC TIRE 有权
标题翻译：轮胎用橡胶组合物和气胎轮胎
公开(公告)号：EP3214121A1
公开(公告)日：2017-09-06
申请号：EP15863329.7
申请日：2015-11-27
申请人： Sumitomo Rubber Industries, Ltd.
发明人： TOKIMUNE, Ryuichi , KITAMURA, Naoya , KAWAGUCHI, Kouji , HASHIMOTO, Naoya
IPC分类号： C08L9/00 , B60C1/00 , C08K3/04 , C08L7/00 , C08L71/02
摘要： The present invention aims to provide a rubber composition for tires that can improve processability, crack resistance, ozone resistance, discoloration resistance, and tire appearance while maintaining a good balance between them, and also to provide a pneumatic tire formed from the rubber composition. The present invention relates to a rubber composition for tires, containing: a rubber component; an antioxidant; and polyether (A), the rubber component having a combined content of polybutadiene rubber, natural rubber, and polyisoprene rubber of 80% by mass or more per 100% by mass of the rubber component, the rubber composition containing the antioxidant in an amount of 0.3 to 7.0 parts by mass per 100 parts by mass of the rubber component, the polyether (A) having an average mass content of at least two consecutive polyethylene oxide units of 85% or less of the polyethylene oxide mass content of the polyether (A).
摘要翻译：本发明的目的在于提供一种轮胎用橡胶组合物，该橡胶组合物能够在维持良好的平衡的同时提高加工性，耐裂纹性，耐臭氧性，耐变色性和轮胎外观，并且还提供由该橡胶组合物形成的充气轮胎。本发明涉及用于轮胎的橡胶组合物，其包含：橡胶组分; 抗氧化剂; 和聚醚（A）的橡胶成分，橡胶成分中相对于100质量％橡胶成分含有80质量％以上的聚丁二烯橡胶，天然橡胶和聚异戊二烯橡胶的合计含量的橡胶成分，相对于橡胶成分100质量份为0.3〜7.0质量份，聚醚（A）的聚环氧乙烷的质量含量为平均质量含量为连续2个以上的聚环氧乙烷单元的聚醚（A）的85％以下）。

3. 发明授权

EP3214121B1 RUBBER COMPOSITION FOR TIRES, AND PNEUMATIC TIRE 有权
公开(公告)号：EP3214121B1
公开(公告)日：2020-01-08
申请号：EP15863329.7
申请日：2015-11-27
申请人： Sumitomo Rubber Industries, Ltd.
发明人： TOKIMUNE, Ryuichi , KITAMURA, Naoya , KAWAGUCHI, Kouji , HASHIMOTO, Naoya
IPC分类号： C08L9/00 , B60C1/00 , C08K3/04 , C08L7/00 , C08L71/02

4. 发明授权

EP3000843B1 RUBBER COMPOSITION FOR TIRES, AND PNEUMATIC TIRE 有权
公开(公告)号：EP3000843B1
公开(公告)日：2018-04-04
申请号：EP14814555.0
申请日：2014-05-19
申请人： Sumitomo Rubber Industries, Ltd.
发明人： TOKIMUNE, Ryuichi , MIYAZAKI, Tatsuya , NAKAMURA, Masanobu
IPC分类号： C08L9/00 , B60C1/00 , C08K3/04 , C08K3/06 , C08K3/36 , C08L7/00 , C08L71/02
CPC分类号： C08L7/00 , B60C1/00 , C08G2650/58 , C08K3/04 , C08K3/06 , C08L9/00 , C08L71/02 , C08L2205/02 , C08L2205/035 , C08L91/00 , C08L91/06 , C08K5/09 , C08K3/22 , C08K5/47 , C08K5/18 , C08K5/375 , C08L9/06
摘要： Provided are a rubber composition for tires, capable of improving discoloration resistance and tire appearance while maintaining good handling stability, crack resistance, and ozone resistance or improving these properties, and a pneumatic tire formed from the rubber composition. The present invention relates to a rubber composition for tires including a rubber component having a combined amount of polybutadiene rubber, natural rubber, and polyisoprene rubber of 90% by mass or more based on 100% by mass of a rubber component; sulfur; a pluronic nonionic surfactant in an amount of 0.1 to 5.0 parts by mass per 100 parts by mass of the rubber component; and carbon black in an amount of 2 to 70 parts by mass per 100 parts by mass of the rubber component.

5. 发明公开

EP3216827A1 RUBBER COMPOSITION FOR TIRES, AND PNEUMATIC TIRE 有权
标题翻译：轮胎用橡胶组合物和气胎轮胎
公开(公告)号：EP3216827A1
公开(公告)日：2017-09-13
申请号：EP15863001.2
申请日：2015-11-27
申请人： Sumitomo Rubber Industries, Ltd.
发明人： TOKIMUNE, Ryuichi , KITAMURA, Naoya , KAWAGUCHI, Kouji , HASHIMOTO, Naoya
IPC分类号： C08L9/00 , B60C1/00 , C08K3/04 , C08L7/00 , C08L71/02
CPC分类号： B60C1/00 , C08K3/04 , C08L7/00 , C08L9/00 , C08L23/16 , C08L71/02 , C08L91/00 , C08L91/06 , C08K5/18 , C08K5/09 , C08K3/06 , C08K3/22 , C08K5/47 , C08L23/22
摘要： The present invention provides a rubber composition for tires which can improve crack resistance, ozone resistance, discoloration resistance, and tire appearance while maintaining a good balance between them, and also provides a pneumatic tire formed from the rubber composition. The present invention relates to a rubber composition for tires, containing a rubber component having a combined content of polybutadiene rubber, natural rubber, and polyisoprene rubber of 80% by mass or more per 100% by mass of the rubber component, the rubber composition containing, per 100 parts by mass of the rubber component: 0.1 to 8.0 parts by mass of polyether (A) having a glycol ether content of 80% by mass or more and a HLB of 3.5 to 19.0, the polyether (A) excluding Pluronic nonionic surfactants; 2 to 70 parts by mass of carbon black; and 0.3 to 7.0 parts by mass of an antioxidant.
摘要翻译：本发明提供一种轮胎用橡胶组合物，其能够在维持良好平衡的同时提高耐龟裂性，耐臭氧性，耐变色性和轮胎外观，并且还提供由该橡胶组合物形成的充气轮胎。本发明涉及一种轮胎用橡胶组合物，其含有相对于橡胶成分100质量％含有80质量％以上的聚丁二烯橡胶，天然橡胶和聚异戊二烯橡胶的合计含量的橡胶成分，所述橡胶组合物含有，相对于橡胶成分100质量份，乙二醇醚含量为80质量％以上，HLB为3.5〜19.0的聚醚（A）0.1质量份〜8.0质量份，除Pluronic nonionic以外的聚醚（A）表面活性剂; 2至70质量份的炭黑; 和0.3至7.0质量份的抗氧化剂。

6. 发明公开

EP4371782A1 TIRE 审中-公开
公开(公告)号：EP4371782A1
公开(公告)日：2024-05-22
申请号：EP23205156.5
申请日：2023-10-23
申请人： Sumitomo Rubber Industries, Ltd.
发明人： TOKIMUNE, Ryuichi
IPC分类号： B60C1/00 , C08C19/02 , C08K3/04
CPC分类号： B60C1/0016 , B60C11/005
摘要： It is an object of the present invention to provide a tire with improved ride comfort during high-speed running. Provided is a tire comprising a tread part, wherein the tread part comprises a first layer constituting a tread surface, and a second layer adjacent to an inner side of the first layer in a tire radial direction, wherein each of the first layer and the second layer is composed of a rubber composition comprising a rubber component and a recovered carbon black, and wherein B/C is greater than 1.0, where a content of the recovered carbon black based on 100 parts by mass of a rubber component of a rubber composition constituting the first layer is referred to as C, in parts by mass, and a content of the recovered carbon black based on 100 parts by mass of a rubber component of a rubber composition constituting the second layer is referred to as B, in parts by mass.

7. 发明授权

EP3222659B1 RUBBER COMPOSITION FOR TIRE, AND PNEUMATIC TIRE 有权
公开(公告)号：EP3222659B1
公开(公告)日：2020-08-05
申请号：EP15866799.8
申请日：2015-11-11
申请人： Sumitomo Rubber Industries, Ltd.
发明人： KITAMURA, Naoya , TOKIMUNE, Ryuichi
IPC分类号： C08L9/00 , C08L7/00 , B60C1/00 , C08L71/02

8. 发明公开

EP3312232A1 RUBBER COMPOSITION FOR TIRES AND PNEUMATIC TIRE 有权转让
标题翻译：轮胎和气胎轮胎用橡胶组合物
公开(公告)号：EP3312232A1
公开(公告)日：2018-04-25
申请号：EP17193899.6
申请日：2017-09-28
申请人： SUMITOMO RUBBER INDUSTRIES, LTD. , Shin-Etsu Chemical Co., Ltd.
发明人： TOKIMUNE, Ryuichi , TSUCHIDA, Tsuyoshi , KITAGO, Ryota , ISHINO, Soh , KISHIMOTO, Hiroyuki , HIROKAMI, Munenao , YAMADA, Tetsuro
IPC分类号： C08L9/00 , C08K5/5415 , C08K5/5419 , C08K5/548 , C08L9/06
CPC分类号： C08K5/548 , B60C1/00 , C08K3/36 , C08K5/5419 , C08L9/00 , C08L9/06
摘要： Provided are a rubber composition for tires which achieves both abrasion resistance and processability while maintaining fuel economy, and a pneumatic tire including the rubber composition. A rubber composition for tires, containing an organosilicon compound represented by the average compositional formula (I) below having a ratio of the number of sulfur atoms to the number of silicon atoms of 1.0 to 1.5,

wherein x represents the average number of sulfur atoms; m represents an integer of 6 to 12; and R 1 to R 6 are the same or different and each represent a C1-C6 alkyl or alkoxy group, at least one of R 1 to R 3 and at least one of R 4 to R 6 are the alkoxy groups, and two or more of the alkyl or alkoxy groups for R 1 to R 6 may be joined to form a ring.
摘要翻译：本发明提供一种既保持燃料经济性又兼顾耐磨性和加工性的轮胎用橡胶组合物以及使用该橡胶组合物的充气轮胎。一种轮胎用橡胶组合物，其含有由下述平均组成式（I）表示的有机硅化合物，其中硫原子数与硅原子数之比为1.0〜1.5，其中x表示平均硫原子数; m表示6至12的整数; R 1〜R 6相同或不同，表示碳原子数1〜6的烷基或烷氧基，R 1〜R 3中的至少一个和R 4〜R 6中的至少一个为烷氧基，两个以上的烷基或烷氧基 R1至R6的基团可以连接形成环。

9. 发明公开

EP4371781A1 TIRE 审中-公开
公开(公告)号：EP4371781A1
公开(公告)日：2024-05-22
申请号：EP23205141.7
申请日：2023-10-23
申请人： Sumitomo Rubber Industries, Ltd.
发明人： TOKIMUNE, Ryuichi
IPC分类号： B60C1/00 , B60C11/00 , C08K3/04
CPC分类号： B60C11/005 , B60C11/0008 , C08K3/04 , B60C1/0016
摘要： It is an object of the present invention to improve grip performance of a tire on an icy road during high-speed running. Provided is a tire comprising a tread part, wherein the tread part comprises a first layer constituting a tread surface, and a second layer adjacent to an inner side of the first layer in a tire radial direction, wherein each of the first layer and the second layer is composed of a rubber composition comprising a rubber component and a recovered carbon black, and wherein B/C is 1.0 or less, where a content of the recovered carbon black based on 100 parts by mass of a rubber component of a rubber composition constituting the first layer is referred to as C, in parts by mass, and a content of the recovered carbon black based on 100 parts by mass of a rubber component of a rubber composition constituting the second layer is referred to as B, in parts by mass.

10. 发明公开

EP3348600A1 METHOD FOR PRODUCING RUBBER COMPOSITION FOR TIRES, AND METHOD FOR PRODUCING TIRE 有权
公开(公告)号：EP3348600A1
公开(公告)日：2018-07-18
申请号：EP16859443.0
申请日：2016-09-21
申请人： Sumitomo Rubber Industries, Ltd.
发明人： KITAGO, Ryota , TOKIMUNE, Ryuichi , ISHINO, Soh
IPC分类号： C08J3/20 , B60C1/00 , C08K5/36 , C08L9/06 , C08L21/00
CPC分类号： B60C1/0016 , B60C1/00 , C08J3/20 , C08J3/24 , C08K5/0025 , C08K5/36 , C08L9/06 , C08L21/00
摘要： Provided are a method for manufacturing a rubber composition for a tire and a method for manufacturing a tire including this manufacturing method for the rubber composition in the present invention, which are characterized by including the steps of: starting to knead a rubber component, a sulfur donor, and a sulfur atom-containing vulcanization accelerator together before kneading the rubber component with a filler; and then adding a filler to an obtained kneaded product and performing kneading at a kneading temperature of 120°C or higher. According to the manufacturing methods of the present invention, a rubber composition for a tire and a tire which have good fracture property can be manufactured.

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