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公开(公告)号：US09410033B2
公开(公告)日：2016-08-09
申请号：US14483966
申请日：2014-09-11
发明人： Yoshihiro Kagawa , Naoya Ichikawa
CPC分类号： C08L7/02 , B60C1/0016 , C08C1/04 , C08K3/013 , C08L7/00 , C08L15/00 , C08L65/02 , Y02T10/862 , C08K3/0033
摘要： The present invention provides a rubber composition for an undertread, which has improved in processability, fuel economy, and tensile properties in a balanced manner, and also provides a pneumatic tire formed from the rubber composition. The present invention relates to a rubber composition for an undertread, including: a rubber component containing a modified natural rubber having a phosphorus content of 200 ppm or less; and carbon black and/or a white filler, wherein the modified natural rubber is contained in an amount of 5% by mass or more per 100% by mass of the rubber component.
摘要翻译： 本发明提供了一种用于底盘的橡胶组合物，其以均匀的方式提高了加工性，燃料经济性和拉伸性能，并且还提供了由橡胶组合物形成的充气轮胎。 本发明涉及一种用于底布的橡胶组合物，其包含：含有磷含量为200ppm以下的改性天然橡胶的橡胶组分; 和炭黑和/或白色填料，其中，相对于100质量％的橡胶组分，改性天然橡胶的含量为5质量％以上。
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公开(公告)号：US08813798B2
公开(公告)日：2014-08-26
申请号：US14209751
申请日：2014-03-13
发明人： Isamu Tsumori , Naoya Ichikawa
IPC分类号： B60C1/00
CPC分类号： C08C19/00 , B60C1/0016 , C08C1/04 , C08C3/02 , C08K3/04 , C08L9/00 , C08L15/00 , Y10T152/10009
摘要： A rubber composition for a tire, and a pneumatic tire are provided in which the fuel economy, abrasion resistance, and deterioration resistance can be improved in a good balance. The present invention relates to a rubber composition for a tire, containing a rubber component that contains: a modified natural rubber having a phosphorus content of not more than 200 ppm; and butadiene rubber, wherein 60 to 95% by mass of the modified natural rubber and 5 to 40% by mass of the butadiene rubber are contained based on 100% by mass of the rubber component.
摘要翻译： 提供一种用于轮胎的橡胶组合物和充气轮胎，其中可以以良好的平衡提高燃料经济性，耐磨性和耐劣化性。 本发明涉及一种轮胎用橡胶组合物，其含有橡胶成分，该橡胶成分含有：磷含量为200ppm以下的改性天然橡胶; 丁二烯橡胶，相对于100质量％的橡胶成分，含有60〜95质量％的改性天然橡胶和5〜40质量％的丁二烯橡胶。
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公开(公告)号：US09617442B2
公开(公告)日：2017-04-11
申请号：US14411057
申请日：2013-06-26
发明人： Naoya Ichikawa
IPC分类号： C09D107/02 , B29C73/16
CPC分类号： C09D107/02 , B29C73/163
摘要： Provided is a tire puncture sealant having improved puncture sealing performance while showing excellent storage stability. The present invention relates to a tire puncture sealant including: rubber latex, a tackifying resin emulsion, and a rosin acid surfactant.
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公开(公告)号：US20150175862A1
公开(公告)日：2015-06-25
申请号：US14418764
申请日：2013-08-20
发明人： Naoya Ichikawa
IPC分类号： C09K3/10
CPC分类号： C09K3/1006 , B29C73/163 , C09K2200/0607 , C09K2200/0657
摘要： The present invention provides a tire puncture sealant which exhibits excellent storage stability while having reduced low-temperature viscosity and therefore improved low-temperature injection properties, and also exhibits excellent initial sealing properties and sealing force retention properties. The present invention relates to a tire puncture sealant containing rubber latex and 1,3-propanediol, the 1,3-propanediol being present in a proportion of 55 to 61% by mass of the liquid component.
摘要翻译： 本发明提供一种轮胎穿刺密封剂，其具有优异的储存稳定性，同时具有降低的低温粘度并因此改善了低温注射性能，并且还表现出优异的初始密封性能和密封力保持性能。 本发明涉及含有橡胶胶乳和1,3-丙二醇的轮胎穿刺密封剂，1,3-丙二醇的比例为液体成分的55〜61质量％。
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公开(公告)号：US09758707B2
公开(公告)日：2017-09-12
申请号：US14418764
申请日：2013-08-20
发明人： Naoya Ichikawa
CPC分类号： C09K3/1006 , B29C73/163 , C09K2200/0607 , C09K2200/0657
摘要： The present invention provides a tire puncture sealant which exhibits excellent storage stability while having reduced low-temperature viscosity and therefore improved low-temperature injection properties, and also exhibits excellent initial sealing properties and sealing force retention properties. The present invention relates to a tire puncture sealant containing rubber latex and 1,3-propanediol, the 1,3-propanediol being present in a proportion of 55 to 61% by mass of the liquid component.
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公开(公告)号：US09657313B2
公开(公告)日：2017-05-23
申请号：US15133084
申请日：2016-04-19
发明人： Yukino Miyagi , Naoya Ichikawa , Norimasa Ohya
IPC分类号： C08F136/08 , C12P5/00 , B60C1/00 , C07F9/09 , C08F36/08 , C08L9/00 , C12N9/10 , B60C13/00 , C12P7/00 , C12P7/04 , C12P7/24 , C12P7/40 , C12P7/62 , C12P9/00 , C12P13/00 , C12P13/02 , C07C21/04 , C07C33/02 , C07C47/21 , C07C57/03 , C07C255/07 , C07C255/23 , C07F9/143
CPC分类号： C12P5/007 , B60C1/00 , B60C1/0016 , B60C1/0025 , B60C13/001 , C07C21/04 , C07C33/02 , C07C47/21 , C07C57/03 , C07C255/07 , C07C255/23 , C07F9/098 , C07F9/143 , C08F36/08 , C08L9/00 , C12N9/1085 , C12P7/00 , C12P7/04 , C12P7/24 , C12P7/40 , C12P7/62 , C12P9/00 , C12P13/00 , C12P13/002 , C12P13/02 , Y02P20/52
摘要： The invention relates to an isoprene oligomer that contains a trans structural moiety and a cis structural moiety, which can be represented by the following formula (1), wherein at least 1 atom or group in the trans structural moiety is replaced by another atom or group. The invention also relates to a polyisoprene, which is biosynthesized using the isoprene oligomer and isopentenyl diphosphate. Further, this invention provides a rubber composition comprising the isoprene oligomer and/or the polyisoprene, and a pneumatic tire, including tire components (e.g., treads and sidewalls) formed from the rubber composition. wherein n represents an integer from 1 to 10; m represents an integer from 1 to 30; and Y represents a hydroxy group, a formyl group, a carboxy group, an ester group, a carbonyl group, or a group represented by the following formula (2):
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公开(公告)号：US09334427B2
公开(公告)日：2016-05-10
申请号：US14410242
申请日：2013-06-26
发明人： Naoya Ichikawa
IPC分类号： C08K3/02 , B29C73/22 , C09J109/08 , C09J107/02 , C08K5/053 , C08K3/36 , C08K5/00 , C08K3/00 , B29C73/16
CPC分类号： C09J109/08 , B29C73/163 , C08K3/01 , C08K3/36 , C08K5/0008 , C08K5/053 , C09J107/02
摘要： The present invention provides a puncture sealant for tires capable of achieving improved injectability while having excellent initial sealing performance and seal retention performance. The puncture sealant includes rubber latex, a tackifier, an antifreezing agent, and a thixotropy-imparting agent.
摘要翻译： 本发明提供一种能够实现改进的注射性同时具有优异的初始密封性能和密封保持性能的用于轮胎的穿刺密封剂。 穿刺密封剂包括橡胶胶乳，增粘剂，防冻剂和触变性赋予剂。
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公开(公告)号：US08658730B2
公开(公告)日：2014-02-25
申请号：US13776126
申请日：2013-02-25
发明人： Naoya Ichikawa
CPC分类号： C08L7/00 , B60C1/00 , B60C1/0016 , B60C2200/06 , C08C1/04 , C08K3/04 , C08L9/00
摘要： The invention aims to provide a rubber composition for a tire which achieves a balanced improvement in the abrasion resistance under both low and high severity abrasion conditions, low heat build-up properties, and chipping resistance. The invention relates to a rubber composition for a tire, including: a rubber component containing 60% by mass or more of a natural rubber component; and a carbon black having a cetyltrimethylammonium bromide (CTAB) specific surface area of 140-160 m2/g, a ratio (CTAB/IA) of the cetyltrimethylammonium bromide specific surface area to an iodine adsorption number (IA) of 0.85-1 m2/g, and a ratio (ΔD50/Dst) of a half width (ΔD50) of Stokes' diameter distribution of aggregates to a Stokes' diameter (Dst) of aggregates, as determined by a centrifugal sedimentation method, of 0.9-0.99, the natural rubber component containing 20% by mass or more of highly purified natural rubber per 100% by mass of the natural rubber component.
摘要翻译： 本发明的目的在于提供一种用于轮胎的橡胶组合物，其在低和高严重度的磨损条件下都具有均匀的耐磨性提高，低的发热性和耐崩裂性。 本发明涉及一种轮胎用橡胶组合物，其包含：含有60质量％以上的天然橡胶成分的橡胶成分; 和十六烷基三甲基溴化铵（CTAB）比表面积为140-160m 2 / g的炭黑，十六烷基三甲基溴化铵比表面积与碘吸附数（IA）的比（CTAB / IA）为0.85-1m2 / g，并且通过离心沉降法测定的聚集体的斯托克斯直径分布与斯托克斯直径（Dst）的半宽度（DeltaD50）的比值（DeltaD50 / Dst）为0.9-0.99，天然 相对于天然橡胶成分100质量％，含有20质量％以上的高纯天然橡胶的橡胶成分。
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