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公开(公告)号：JP2006160884A
公开(公告)日：2006-06-22
申请号：JP2004354223
申请日：2004-12-07
Applicant: Bridgestone Corp , 株式会社ブリヂストン
Inventor： UCHINO OSAMU
CPC classification number: Y02T10/862
Abstract: PROBLEM TO BE SOLVED: To provide a tread rubber composition which reduces rolling resistance of a tire without lowering driving stability and braking performance on wet roads.
SOLUTION: The tread rubber composition is obtained by blending 10-200 mass pts. of silica, 1-30 mass pts. of a sulfur-containing silane compound expressed by average compositional formula (I): (R
1 O)
3-p-q R
2
p R
3
q Si-R
4 -S
x -R
4 -SiR
3
q R
2
p (OR
1 )
3-p-q to 100 mass pts. of a rubber composition. At least part of the rubber composition is a modified conjugated diene polymer having two or more functional groups containing nitrogen in the molecule. In the formula, R
1 and R
2 are each a 1-4C alkyl group; R
3 is a 2-4C alkenyl group; R
4 is a 1-15C divalent hydrocarbon group; p is an integer of 0-2; q is an integer of 1-3; p+q≤3; x is not less than 1 and less than 4 on average.
COPYRIGHT: (C)2006,JPO&NCIPIAbstract translation: 要解决的问题：提供一种降低轮胎的滚动阻力而不降低在湿路面上的行驶稳定性和制动性能的胎面橡胶组合物。
解决方案：通过混合10-200质量份获得胎面橡胶组合物。 的二氧化硅，1-30质量份。 的由平均组成式（I）表示的含硫硅烷化合物：（R 1 SP 3）3-pq R 2 SP SP 2 p - [R
3 q 的Si-R 4 -S X -R 4 < / SP> -SiR 3 q - [R 2 p （OR 1 ）< SB> 3-pq 至100质量ppm。 的橡胶组合物。 橡胶组合物的至少一部分是在分子中具有两个以上含有氮的官能团的改性共轭二烯聚合物。 在该式中，R 1和R 2各自为1-4C烷基; R 3是2-4C烯基; R 4 是1-15C的二价烃基; p是0-2的整数; q为1-3的整数; P +q≤3; x平均不小于1且小于4。 版权所有（C）2006，JPO＆NCIPI -
公开(公告)号：JP2004284453A
公开(公告)日：2004-10-14
申请号：JP2003077369
申请日：2003-03-20
Applicant: Bridgestone Corp , 株式会社ブリヂストン
Inventor： UCHINO OSAMU
Abstract: PROBLEM TO BE SOLVED: To provide a pneumatic tire for enhancing the moist heat durability of belt layers by suppressing the ingress of water into the belt layers from the outside.
SOLUTION: In the tire having a belt 6 comprising at least two belt layers composed of a steel cord and the coating rubber of the cord, a rubber composition with flat clay blended in a rubber component is used for a rubber member disposed on the outside in the tire radial direction of the belt 6. Tread under cushion rubber 9 and/or base rubber 8 in a tread of cap-base structure are preferable for the rubber member.
COPYRIGHT: (C)2005,JPO&NCIPI-
公开(公告)号：JP2002013085A
公开(公告)日：2002-01-18
申请号：JP2000196352
申请日：2000-06-29
Applicant: BRIDGESTONE CORP
Inventor： HOJO MASAHIRO , UCHINO OSAMU
Abstract: PROBLEM TO BE SOLVED: To improve an initial adhesiveness, rubber deterioration resistance and heat deterioration resistance and to decrease a cost. SOLUTION: This rubber-steel cord composite comprises a rubber composition obtained by compounding 100 pts.wt. of a rubber component with $0.1 pt.wt. of a cobalt salt as a cobalt metal and steel filaments having a positive plating, subjected to a positive plating with 15-45 atomic % surface concentration of copper (Cu) on circumferential faces, containing at least one kind of a cobalt (Co) atom and a nickel (Ni) atom in the surface layer area from the surfaces of the circumferential faces of the steel filaments to 15 nm depth in the radial directions of the filaments inward or a steel cord obtained by twisting the steel filaments.
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24.发明专利
公开(公告)号：JP2000007838A
公开(公告)日：2000-01-11
申请号：JP18099398
申请日：1998-06-26
Applicant: BRIDGESTONE CORP
Inventor： UCHINO OSAMU
Abstract: PROBLEM TO BE SOLVED: To produce a rubber composition having excellent initial adhesivity and resistance to the deterioration of the adhesivity to steel cord by compounding a rubber component with a porous inorganic filler. SOLUTION: The objective composition contains (A) a rubber component [preferably a rubber component containing >=50 wt.% of natural rubber and/or synthetic isoprene rubber] and (B) a porous inorganic filler (preferably aluminum hydroxide, aluminum oxide, clay, zeolite, calcium carbonate, etc.). The content of the component B is preferably 3-30 pts.wt. based on 100 pts.wt. of the component A. The composition preferably further contains an organic cobalt salt as an adhesion promoting agent in an amount of 0.1-0.2 pt.wt. in terms of metallic element based on 100 pts.wt. of the component A. The composition is preferably further incorporated with 3-8 pts.wt. of sulfur based on 100 pts.wt. of the component A. A composite composed of the composition and a steel cord is useful as a reinforcing material for automobile tire, etc.
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公开(公告)号：JP2011089032A
公开(公告)日：2011-05-06
申请号：JP2009243815
申请日：2009-10-22
Applicant: Bridgestone Corp , 株式会社ブリヂストン
Inventor： UCHINO OSAMU
CPC classification number: Y02T10/862
Abstract: PROBLEM TO BE SOLVED: To provide a tire being excellent in on-ice performance, steering stability, rolling resistance and wear-resistance. SOLUTION: The tire is characterized in that a rubber composition in which 5-50 pts.mass of a low molecular weight modified conjugated diene based polymer (B) having a weight average molecular weight before modification of 2×10 3 -15×10 4 and 10-200 pts.mass of a reinforcing filler (C) containing hydrous silicic acid (C1) in which a cetyltrimethyl ammonium bromide adsorption specific surface area (CTAB)(m 2 /g) and the mode A ac (nm) of a diameter of a primary aggregate determined by acoustic particle size distribution measurement satisfy the following equation (c-1): A ac ≥-0.76×(CTAB)+274 are formulated based on 100 pts.mass of a rubber matrix (A) containing a high molecular weight modified conjugated diene based polymer (A1) having a weight average molecular weight before modification of the value exceeding 15×10 4 -200×10 4 is used for any one of tire members. COPYRIGHT: (C)2011,JPO&INPIT
Abstract translation: 要解决的问题：提供一种具有优异的冰上性能，操纵稳定性，滚动阻力和耐磨性的轮胎。 ＆lt; P＆gt;解决方案：轮胎的特征在于，将5-50重量份改性前的重均分子量为2×10
的低分子量改性共轭二烯系聚合物（B） 和含有十六烷基三甲基溴化铵吸附比表面积（CTAB）的含水硅酸（C1）的增强填料（C）的10-200Pts.m ）（m 2 / g），通过声学粒径分布测定确定的一次聚集体的直径的模式A ac（SB）满足下式（c- 1）：基于100分钟的含有高分子量改性共轭二烯系聚合物（A1）的橡胶基体（A）配制A ac ≥-0.76×（CTAB）+274， 对于任何一个轮胎构件，使用改变前的重均分子量超过15×10 4 -200×10 4 。 版权所有（C）2011，JPO＆INPIT -
Patent Agency Ranking
公开(公告)号：JP2009078808A
公开(公告)日：2009-04-16
申请号：JP2008293921
申请日：2008-11-17
Applicant: Bridgestone Corp , 株式会社ブリヂストン
Inventor： UCHINO OSAMU , NAKAMURA TAKASHI
IPC: B60C1/00 , B60C9/00 , C08K5/3415 , C08L21/00 , D07B1/06
CPC classification number: B60C9/0007 , B60C1/00 , B60C2009/0021 , C08K5/3415 , D07B1/0666 , D07B2205/3089 , Y10T152/1081 , C08L21/00 , D07B2801/18
Abstract: PROBLEM TO BE SOLVED: To improve durability of a tire by providing a rubber composition improving rubber hardness and preventing degradation of low heat generation properties, adhesion properties to a steel cord and deterioration resistance and by using the steel cord capable of improving the adhesion properties. SOLUTION: In the tire, a rubber-steel cord composite which comprises a rubber composition formed by compounding a rubber component comprising at least one of natural rubber and diene rubber with bismaleimide and the steel cord is used. The rubber composition is formed by compounding 0.1-5 pts.wt. bismaleimide with respect to 100 pts.wt. of the rubber component. The steel cord is a monofilament steel cord comprising one steel filament applied with brass plating or a multifilament steel cord formed by twisting the steel filaments, and the average thickness of the brass plating is set to 0.13-0.30 μm. COPYRIGHT: (C)2009,JPO&INPIT
Abstract translation: 解决问题的方法为了提高轮胎的耐久性，通过提供橡胶组合物，提高橡胶硬度，防止低发热性降低，钢帘线的粘合性和耐劣化性，以及使用能够改善 粘附性能。 解决方案：在轮胎中，使用包含通过将包含天然橡胶和二烯橡胶中的至少一种的橡胶组分与双马来酰亚胺和钢丝绳混合而形成的橡胶组合物的橡胶 - 钢丝帘线复合材料。 橡胶组合物通过混合0.1-5重量份 双马来酰亚胺相对于100重量份 的橡胶组分。 钢丝帘线是单丝钢帘线，包括一根施加有黄铜镀层的钢丝，或通过扭曲钢丝而形成的复丝钢帘线，黄铜镀层的平均厚度设定为0.13-0.30μm。 版权所有（C）2009，JPO＆INPIT
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公开(公告)号：JP2008001743A
公开(公告)日：2008-01-10
申请号：JP2006170120
申请日：2006-06-20
Applicant: Bridgestone Corp , 株式会社ブリヂストン
Inventor： SASAKA NAOHIRO , UCHINO OSAMU
CPC classification number: Y02T10/862
Abstract: PROBLEM TO BE SOLVED: To obtain a tread rubber composition, which improves driving stability and braking properties on a wet road surface while significantly reducing tire rolling resistance.
SOLUTION: The tread rubber composition is obtained by mixing 100 parts by mass of a rubber component (A) containing at least a modified conjugated diene-based polymer having one or more functional group containing nitrogen in the molecule with 10-200 parts by mass of silica (B), 1-30 parts by mass a sulfur-containing silane compound (C) of specific structure and a compound (D) of specific structure having a reactive group to the rubber component and an adsorption group to silica.
COPYRIGHT: (C)2008,JPO&INPITAbstract translation: 要解决的问题：为了获得在湿路面上提高行驶稳定性和制动性能同时显着降低轮胎滚动阻力的胎面橡胶组合物。 ＆lt; P＆gt;解决方案：通过将100质量份含有至少含有分子中具有一个或多个含氮官能团的改性共轭二烯系聚合物的橡胶成分（A）与10质量份 的二氧化硅（B），1-30质量份具有特定结构的含硫硅烷化合物（C）和具有与橡胶组分反应性基团的特定结构的化合物（D）和对二氧化硅的吸附基团。 版权所有（C）2008，JPO＆INPIT
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公开(公告)号：JP2007291288A
公开(公告)日：2007-11-08
申请号：JP2006123159
申请日：2006-04-27
Applicant: Bridgestone Corp , 株式会社ブリヂストン
Inventor： UCHINO OSAMU , SASAKA NAOHIRO
CPC classification number: Y02T10/862
Abstract: PROBLEM TO BE SOLVED: To provide a rubber composition for a tread of a tire without lowering a driving stability and braking capability on dry and wet road surface, capable of much reducing rolling resistance of the tire.
SOLUTION: The rubber composition for the tread comprises blending a rubber component (A) of 100 pts.mass, silica (B) of 10-200 pts.mass, a sulfur-containing silane compound with a specified structure (C) of 1-30 pts.mass and an aromatic vinyl compound-conjugated diene compound copolymer (D) of 2-70 pts.mass comprising an aromatic vinyl compound of 5-80 mass%, and having a vinyl bond amount in a conjugated diene compound of 10-80 mass% and a weight-average molecular weight of 5,000-500,000 in terms of polystyrene measured by gel permeation chromatography.
COPYRIGHT: (C)2008,JPO&INPITAbstract translation: 要解决的问题：提供一种用于轮胎胎面的橡胶组合物，而不会降低干燥和潮湿路面上的行驶稳定性和制动能力，能够大大降低轮胎的滚动阻力。 ＆lt; P＆gt;解决方案：用于胎面的橡胶组合物包括将100质量份的橡胶组分（A），10-200质量度的二氧化硅（B），具有特定结构的含硫硅烷化合物（C） 和1-30质子％的芳香族乙烯基化合物 - 共轭二烯化合物共聚物（D），含有5-80质量％的芳香族乙烯基化合物，在共轭二烯化合物中具有乙烯基量的2-70质子份 通过凝胶渗透色谱法测定的聚苯乙烯换算为10-80质量％，重均分子量为5,000-500,000。 版权所有（C）2008，JPO＆INPIT
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公开(公告)号：JP2007126503A
公开(公告)日：2007-05-24
申请号：JP2005318352
申请日：2005-11-01
Applicant: Bridgestone Corp , 株式会社ブリヂストン
Inventor： UCHINO OSAMU
CPC classification number: Y02T10/862
Abstract: PROBLEM TO BE SOLVED: To provide a rubber composition for tread of tire capable of largely reducing the rolling resistance of tire without reducing steering stability and braking property on a dry road surface and wet road surface.
SOLUTION: The rubber composition for tread is constituted by blending 10-200 pts.mass of silica (B); 1-30 pts.mass of a sulfur-containing silane compound (C) having a specified structure; 2-70 pts.mass of an aromatic vinyl compound-conjugated diene compound copolymer (D) of which the amount of the aromatic vinyl compound is 5-80 mass%, the vinyl bonding amount of the conjugated diene compound portion is 10-80 mass% and weight-average molecular weight in terms of polystyrene measured by gel permeation chromatography is 5,000-500,000; with 100 pts.mass of a rubber component (A).
COPYRIGHT: (C)2007,JPO&INPITAbstract translation: 要解决的问题：提供一种轮胎胎面用橡胶组合物，其能够大大降低轮胎的滚动阻力，而不会降低干路面和湿路面上的操纵稳定性和制动性能。
解决方案：用于胎面的橡胶组合物是通过混合10-200质量份的二氧化硅（B）构成的; 1-30质量份具有特定结构的含硫硅烷化合物（C）; 2-70质量份芳族乙烯基化合物 - 共轭二烯化合物共聚物（D），其中芳族乙烯基化合物的量为5-80质量％，共轭二烯化合物部分的乙烯基键合量为10-80质量％ 通过凝胶渗透色谱法测定的聚苯乙烯换算的重均分子量为5,000-500,000; 具有100磅的橡胶组分（A）。 版权所有（C）2007，JPO＆INPIT
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公开(公告)号：JP2002205506A
公开(公告)日：2002-07-23
申请号：JP2001344035
申请日：2001-11-09
Applicant: BRIDGESTONE CORP
Inventor： UCHINO OSAMU , NAKAMURA TAKASHI
IPC: B60C1/00 , C08K5/3415 , C08L7/00
Abstract: PROBLEM TO BE SOLVED: To improve durability of a tire. SOLUTION: This tire is formed using a complex made of rubber composition having bismaleimide or further trans-polybutadiene, and of a steel cord formed by twisting steel filaments containing a specific amount of Cu, Co, and Ni in a brass plating in a distribution in the specific depth direction.
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