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1. 发明申请

US20220251347A1 TIRE 有权
公开(公告)号：US20220251347A1
公开(公告)日：2022-08-11
申请号：US17617375
申请日：2020-05-29
申请人： SUMITOMO RUBBER INDUSTRIES, LTD.
发明人： Yoshihiko KOMORI , Tatsuya MIYAZAKI
IPC分类号： C08L9/06 , B60C1/00
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.

2. 发明申请

US20210268836A1 TIRE 有权
公开(公告)号：US20210268836A1
公开(公告)日：2021-09-02
申请号：US17253210
申请日：2019-03-22
申请人： SUMITOMO RUBBER INDUSTRIES, LTD.
发明人： Tatsuya MIYAZAKI
IPC分类号： B60C1/00 , B60C11/12 , C08K3/04 , C08K3/36 , C08L9/06
摘要： An object of the present invention is to provide a tire having a good mold releasability even though the tire has a sipe with a complicated shape such as a three-dimensional shape and with abrasion resistance and wet grip performance maintained or improved. The tire comprises a cap tread, wherein the cap tread is composed of a rubber composition comprising 0.20 parts by mass or more of C40-C70 branched alkane based on 100 parts by mass of a rubber component and having 0.16 or less of tan δ at 30° C., and wherein the cap tread has a sipe with a three-dimensional shape or a sipe with a portion of a maximum cross-sectional area inside a surface of the tread, and wherein the maximum cross-sectional area is 1.1 times or more the minimum cross-sectional area.

3. 发明申请

US20200148861A1 RUBBER COMPOSITION 审中-公开
公开(公告)号：US20200148861A1
公开(公告)日：2020-05-14
申请号：US16604039
申请日：2018-04-11
申请人： SUMITOMO RUBBER INDUSTRIES, LTD.
发明人： Tatsuya MIYAZAKI
IPC分类号： C08L9/06 , B60C1/00
摘要： A rubber composition comprising a rubber component and 0.3 to 3 parts by mass of a branched alkane having 40 to 70 carbon atoms, 1.2 parts by mass or less of a linear alkane having 45 or more carbon atoms and 0.1 to 100 parts by mass of a hydrocarbon resin having a weight-average molecular weight of 300 to 15,000 based on 100 parts by mass of the rubber component.

4. 发明申请

US20180362741A1 RUBBER COMPOSITION 审中-公开
公开(公告)号：US20180362741A1
公开(公告)日：2018-12-20
申请号：US15741483
申请日：2016-07-25
申请人： SUMITOMO RUBBER INDUSTRIES, LTD.
发明人： Tatsuya MIYAZAKI
IPC分类号： C08L15/02 , C08L23/22 , C08L91/00 , C08K3/04 , C08K3/22 , B29D30/06 , B60C1/00
摘要： Provided are a rubber composition excellent in air permeation resistance, moldability and durability, a pneumatic tire having an inner liner composed of the rubber composition, and a bladder for vulcanization of a tire composed of the rubber composition. The rubber composition of the present invention comprises a rubber component and a terpene-based resin having a glass-transition temperature of 60° C. or lower, in which an air barrier property index indicated by formula (1) below is 110 or more: (Air Barrier Property Index)=(Air Permeation Amount of a Rubber Composition in Comparative Example 1)/(Air Permeation Amount of the Rubber Composition)×100 Formula (1):

5. 发明申请

US20180099527A1 RUBBER COMPOSITION AND PNEUMATIC TIRE 审中-公开
公开(公告)号：US20180099527A1
公开(公告)日：2018-04-12
申请号：US15565023
申请日：2016-04-11
申请人： SUMITOMO RUBBER INDUSTRIES, LTD.
发明人： Tatsuya MIYAZAKI
IPC分类号： B60C1/00 , C08K5/521 , C08K5/10 , C08K3/06 , C08L21/00
CPC分类号： B60C1/0016 , B60C1/00 , C08C19/44 , C08K3/06 , C08K5/092 , C08K5/10 , C08K5/12 , C08K5/52 , C08K5/521 , C08L15/00 , C08L21/00 , C08L33/00 , C08L33/08 , C08L33/20 , C08L101/00 , C08L9/06 , C08L71/10 , C08L47/00 , C08L91/06 , C08K3/22 , C08K5/11 , C08K3/04 , C08K5/18 , C08K5/3437 , C08K5/09 , C08K5/47 , C08K5/098 , C08K5/39
摘要： Provided are a rubber composition that achieves a balanced improvement in grip performance during the initial to late phases of running and abrasion resistance, and a pneumatic tire formed from the rubber composition. The present invention relates to a rubber composition containing a rubber component, sulfur, and a molten mixture of a solid resin and a plasticizer, the solid resin having an SP value of 9.2 to 13 and/or a softening point of 130° C. or higher, the plasticizer including at least one compound selected from the group consisting of phosphoric acid esters, phthalic acid esters, aliphatic polybasic acid esters, trimellitic acid esters, acetic acid esters, and ricinoleic acid esters, the solid resin being present in an amount of 1 part by mass or more per 100 parts by mass of the rubber component.

6. 发明申请

US20170327670A1 PNEUMATIC TIRE 审中-公开
公开(公告)号：US20170327670A1
公开(公告)日：2017-11-16
申请号：US15531094
申请日：2015-12-09
申请人： SUMITOMO RUBBER INDUSTRIES, LTD.
发明人： Tatsuya MIYAZAKI , Kensuke WASHIZU
IPC分类号： C08L9/06 , B60C1/00
摘要： The present invention provides a pneumatic tire including a tread formed from a rubber composition that can simultaneously highly improve initial grip performance and stable grip performance during the middle and late periods of running, and further can reduce the occurrence of blowing even during high-temperature running. The present invention relates to a pneumatic tire including a tread, the tread being formed from a rubber composition containing a diene rubber, the rubber composition further containing a hydrogenated terpene aromatic resin obtained by hydrogenation of the double bonds of a terpene aromatic resin, the hydrogenated terpene aromatic resin having a degree of hydrogenation of double bonds of 5-100%, a hydroxyl value of 20 mg KOH/g or less, and a softening point of 116-180° C., the hydrogenated terpene aromatic resin being present in an amount of 1-50 parts by mass per 100 parts by mass of the diene rubber.

7. 发明申请

US20160177072A1 TIRE RUBBER COMPOSITION AND PNEUMATIC TIRE 有权
标题翻译：轮胎橡胶组合物和气动轮胎
公开(公告)号：US20160177072A1
公开(公告)日：2016-06-23
申请号：US14900529
申请日：2014-06-12
申请人： SUMITOMO RUBBER INDUSTRIES, LTD.
发明人： Tatsuya MIYAZAKI , Ryuichi TOKIMUNE
IPC分类号： C08L9/00
CPC分类号： C08L9/00 , B60C1/00 , B60C1/0016 , B60C1/0025 , B60C2001/005 , C08K3/04 , C08K3/36 , C08K5/10 , C08K5/18 , C08L7/00 , C08L23/20 , C08L91/00 , C08L91/06 , C08L2205/02
摘要： Provided are a rubber composition for tires preventing discoloration and improving ozone resistance while maintaining or improving good elongation at break and good fuel economy, and a pneumatic tire using the rubber composition. Included is a rubber composition for tires including: a rubber component including at least one selected from the group consisting of a specific non-oil extended polybutadiene rubber and a specific oil extended polybutadiene rubber; a phenylenediamine antioxidant; a specific nonionic surfactant; and carbon black and/or silica, the rubber composition having an amount of diene rubber of 70-100% by mass per 100% by mass of the rubber component, the rubber composition having an amount of the phenylenediamine antioxidant of 1.0-8.0 parts by mass, an amount of the nonionic surfactant of 0.1-5.0 parts by mass, and a combined amount of carbon black and silica of 20-45 parts by mass, each per 100 parts by mass of the rubber component.
摘要翻译：提供一种用于防止变色和提高耐臭氧性的轮胎的橡胶组合物，同时保持或改善良好的断裂伸长率和良好的燃料经济性，以及使用该橡胶组合物的充气轮胎。包括用于轮胎的橡胶组合物，其包括：包含选自特定非油延伸聚丁二烯橡胶和特定延油聚丁二烯橡胶中的至少一种的橡胶组分; 苯二胺抗氧化剂; 特定的非离子表面活性剂; 和炭黑和/或二氧化硅，相对于橡胶成分100质量％，橡胶组合物的二烯系橡胶的含量为70〜100质量％，橡胶组合物的苯二胺抗氧化剂的量为1.0〜8.0份质量份，0.1〜5.0质量份的非离子性表面活性剂的量，碳黑和二氧化硅的组合量为20〜45质量份，各100质量份的橡胶成分。

8. 发明申请

US20140124113A1 RUBBER COMPOSITIONS FOR BEAD APEX, SIDEWALL PACKING, BASE TREAD, BREAKER CUSHION, STEEL CORD TOPPING, STRIP ADJACENT TO STEEL CORDS, TIE GUM, AND SIDEWALL, AND PNEUMATIC TIRES 有权
标题翻译：用于珠子的橡胶组合物，小型包装，底座，断路器，钢丝绳，钢带，钢筋，气门和气动轮胎
公开(公告)号：US20140124113A1
公开(公告)日：2014-05-08
申请号：US14073926
申请日：2013-11-07
申请人： SUMITOMO RUBBER INDUSTRIES, LTD.
发明人： Tatsuya MIYAZAKI , Masanobu NAKAMURA
IPC分类号： C08K13/02 , B60C1/00
CPC分类号： C08K13/02 , B60C1/00 , B60C1/0025 , C08K5/175 , C08K5/18 , Y02T10/862 , Y10T152/10495 , Y10T152/1081 , C08K3/04 , C08L7/00
摘要： The present invention provides a rubber composition that improves in terms of the fuel economy of a rubber composition containing an isoprene-based rubber and also offers favorable durability and favorable processability or adhesion to steel cords, and a pneumatic tire formed from the rubber composition. The present invention relates to a rubber composition for a bead apex, sidewall packing, base tread, or breaker cushion, including: a specific rubber component; a specific amount of a specific carbon black; a specific amount of sulfur; and a specific amount of a compound represented by formula (I) below. The present invention also relates to a rubber composition for a steel cord topping, strip adjacent to steel cords, or tie gum, including: a specific rubber component; a specific amount of a specific carbon black; a specific amount of an organic acid cobalt salt; and a specific amount of a compound represented by the formula (I).
摘要翻译：本发明提供了一种在包含异戊二烯类橡胶的橡胶组合物的燃料经济性方面改进的橡胶组合物，并且还提供了良好的耐久性和对钢丝帘线的良好的加工性或粘合性，以及由橡胶组合物形成的充气轮胎。本发明涉及一种用于胎圈三角胶，胎侧密封垫，基底胎面或破碎垫的橡胶组合物，包括：特定的橡胶组分; 特定量的特定炭黑; 一定量的硫磺; 和特定量的由下式（I）表示的化合物。本发明还涉及一种用于钢帘线顶部，邻近钢帘线或连结胶的条带的橡胶组合物，包括：特定的橡胶组分; 特定量的特定炭黑; 特定量的有机酸钴盐; 和特定量的由式（I）表示的化合物。

9. 发明申请

US20170306130A1 RUBBER COMPOSITION FOR TIRE OUTER LAYER, AND PNEUMATIC TIRE 审中-公开
公开(公告)号：US20170306130A1
公开(公告)日：2017-10-26
申请号：US15526463
申请日：2015-11-05
申请人： SUMITOMO RUBBER INDUSTRIES, LTD.
发明人： Tatsuya MIYAZAKI
IPC分类号： C08L7/00 , B60C1/00
CPC分类号： C08L7/00 , B60C1/00 , B60C1/0016 , B60C1/0025 , B60C2001/005 , C08J3/16 , C08K5/10 , C08K5/103 , C08K5/47 , C08L9/00 , C08L15/00 , C08L71/02 , C08L2205/025 , C08L2205/03 , C08L2205/035 , C08L91/00 , C08L91/06 , C08K3/06 , C08K5/18 , C08K5/3437 , C08K5/09 , C08K3/22 , C08K3/04 , C08L57/02
摘要： The invention aims to provide a rubber composition for outer layers of tires capable of reducing the generation of odors while maintaining or improving good elongation at break and processability, and a pneumatic tire using the same. Included is a rubber composition for outer layers of tires, including: a rubber component; a nonionic surfactant or polyethylene glycol; and a vulcanization accelerator represented by formula (1) below, the rubber component including a diene rubber in an amount of 70-100% by mass based on 100% by mass of the rubber component, the rubber composition including, per 100 parts by mass of the rubber component, 0.2-6.0 parts by mass of the nonionic surfactant or polyethylene glycol, 0.2-10 parts by mass of the vulcanization accelerator, and not more than 0.5 parts by mass of N-tert-butyl-2-benzothiazolylsulfenamide, wherein R11 represents a C2-C16 alkyl group, and R12 represents a C3-C16 branched alkyl group or a benzothiazolylsulfide group.

10. 发明申请

US20170210881A1 RUBBER COMPOSITION AND PNEUMATIC TIRE 审中-公开
公开(公告)号：US20170210881A1
公开(公告)日：2017-07-27
申请号：US15329631
申请日：2015-07-27
申请人： SUMITOMO RUBBER INDUSTRIES, LTD.
发明人： Tatsuya MIYAZAKI
IPC分类号： C08K3/36 , C08L7/00 , C08L9/00 , B60C1/00
CPC分类号： C08K3/36 , B60C1/00 , B60C1/0016 , B60C1/0025 , C08K3/04 , C08K3/06 , C08K5/06 , C08K5/151 , C08L9/00 , C08L9/06 , C08L33/00 , C08L33/08
摘要： Provided is a rubber composition that can improve hysteresis loss to allow for simultaneous improvement in initial grip performance and stable grip performance during mid and late running while ensuring good abrasion resistance. The present invention relates to a rubber composition containing: a rubber component; sulfur; and a specific compound, the rubber composition containing 60% to 100% by mass of a diene rubber based on 100% by mass of the rubber component, the rubber composition containing 0.1 to 30 parts by mass of the specific compound per 100 parts by mass of the rubber component.

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