公开(公告)号：US09416252B2

公开(公告)日：2016-08-16

申请号：US13991398

申请日：2011-11-25

申请人： Ayumi Naka ,  Takashi Shirokawa ,  Makoto Ashiura ,  Yoshihiro Kameda ,  Masaki Satou ,  Keisuke Maejima

发明人： Ayumi Naka ,  Takashi Shirokawa ,  Makoto Ashiura ,  Yoshihiro Kameda ,  Masaki Satou ,  Keisuke Maejima

IPC分类号： B60C1/00 ,  C08C19/44 ,  C08L15/00 ,  C08K7/00 ,  C08K3/36 ,  C08L9/00

CPC分类号： C08K7/00 ,  B60C1/0016 ,  C08C19/44 ,  C08K3/36 ,  C08L7/00 ,  C08L9/00 ,  C08L15/00 ,  Y02T10/862

摘要： A rubber composition comprises a diene rubber including not less than 25% by weight of a modified conjugated diene polymer rubber and, per 100 parts by weight of the diene rubber, from 25 to 65 parts by weight of a filler, the filler comprising not less than 50% by weight of silica. The silica has a DBP absorption number of 190 to 250 ml/100 g, an N2SA of 194 to 225 m/g, and a CTAB of 185 to 215 m2/g. A ratio of the N2SA to the CTAB is from 0.9 to 1.4. The modified conjugated diene polymer rubber has a terminal modified group including a functional group that interacts with the silica. In the modified conjugated diene polymer rubber, aromatic vinyl unit content is from 38% to 48% by weight, vinyl unit content is from 20% to 35%, and weight-average molecular weight is from 600,000 to 1,000,000.

摘要翻译： 橡胶组合物包括二烯橡胶，其包含不小于25重量％的改性共轭二烯聚合物橡胶，并且相对于每100重量份的二烯橡胶，25至65重量份的填料，所述填料不少于 超过50重量％的二氧化硅。 二氧化硅的DBP吸收值为190〜250ml / 100g，N 2 SA为194〜225m 2 / g，CTAB为185〜215m 2 / g。 N2SA与CTAB的比例为0.9〜1.4。 改性共轭二烯聚合物橡胶具有包含与二氧化硅相互作用的官能团的末端改性基团。 在改性共轭二烯聚合物橡胶中，芳香族乙烯基单元含量为38〜48重量％，乙烯基单元含量为20〜35重量％，重均分子量为60万〜100万。

公开(公告)号：US09567451B2

公开(公告)日：2017-02-14

申请号：US13991377

申请日：2011-11-25

申请人： Masaki Satou ,  Takashi Shirokawa ,  Makoto Ashiura ,  Yoshihiro Kameda ,  Ayumi Naka ,  Keisuke Maejima

发明人： Masaki Satou ,  Takashi Shirokawa ,  Makoto Ashiura ,  Yoshihiro Kameda ,  Ayumi Naka ,  Keisuke Maejima

IPC分类号： B60C1/00 ,  C08C19/44 ,  C08L15/00 ,  C08K7/00 ,  C08C19/25 ,  C08G81/02 ,  C08K3/36 ,  C08L7/00 ,  C08L9/00

CPC分类号： C08K7/00 ,  B60C1/00 ,  B60C1/0016 ,  C08C19/25 ,  C08C19/44 ,  C08G81/02 ,  C08K3/36 ,  C08L7/00 ,  C08L9/00 ,  C08L15/00 ,  Y02T10/862

摘要： A rubber composition for use in tire treads comprises a diene rubber including not less than 40% by weight of a modified conjugated diene polymer rubber and, per 100 parts by weight of the diene rubber, from 66 to 110 parts by weight of a filler. The filler comprises not less than 50% by weight of silica. The modified conjugated diene polymer rubber is obtained by copolymerizing a conjugated diene monomer unit and an aromatic vinyl monomer unit in a hydrocarbon solvent using an organic active metal compound as an initiator. A resulting active conjugated diene polymer chain thereof has a terminal modified group, obtained by reacting at least one type of compound having a functional group that is reactable with the active terminal of the polymer chain. Moreover, the terminal modified group has a functional group that interacts with the silica.

摘要翻译： 用于轮胎胎面的橡胶组合物包括二烯橡胶，其包含不小于40重量％的改性共轭二烯聚合物橡胶，并且相对于每100重量份的二烯橡胶，含有66至110重量份的填料。 填料包含不少于50重量％的二氧化硅。 改性共轭二烯聚合物橡胶通过使用有机活性金属化合物作为引发剂在烃溶剂中共轭共轭二烯单体单元和芳族乙烯基单体单元而获得。 所得到的活性共轭二烯聚合物链具有末端改性基团，其通过使至少一种具有可与聚合物链的活性末端反应的官能团的化合物反应而获得。 此外，末端改性基团具有与二氧化硅相互作用的官能团。

公开(公告)号：US20140011909A1

公开(公告)日：2014-01-09

申请号：US13991377

申请日：2011-11-25

申请人： Masaki Satou ,  Takashi Shirokawa ,  Makoto Ashiura ,  Yoshihiro Kameda ,  Ayumi Naka ,  Keisuke Maejima

发明人： Masaki Satou ,  Takashi Shirokawa ,  Makoto Ashiura ,  Yoshihiro Kameda ,  Ayumi Naka ,  Keisuke Maejima

IPC分类号： C08K7/00

CPC分类号： C08K7/00 ,  B60C1/00 ,  B60C1/0016 ,  C08C19/25 ,  C08C19/44 ,  C08G81/02 ,  C08K3/36 ,  C08L7/00 ,  C08L9/00 ,  C08L15/00 ,  Y02T10/862

摘要： A rubber composition for use in tire treads comprises a diene rubber including not less than 40% by weight of a modified conjugated diene polymer rubber and, per 100 parts by weight of the diene rubber, from 66 to 110 parts by weight of a filler. The filler comprises not less than 50% by weight of silica. The modified conjugated diene polymer rubber is obtained by copolymerizing a conjugated diene monomer unit and an aromatic vinyl monomer unit in a hydrocarbon solvent using an organic active metal compound as an initiator. A resulting active conjugated diene polymer chain thereof has a terminal modified group, obtained by reacting at least one type of compound having a functional group that is reactable with the active terminal of the polymer chain. Moreover, the terminal modified group has a functional group that interacts with the silica.

摘要翻译： 用于轮胎胎面的橡胶组合物包括二烯橡胶，其包含不小于40重量％的改性共轭二烯聚合物橡胶，并且相对于每100重量份的二烯橡胶，含有66至110重量份的填料。 填料包含不少于50重量％的二氧化硅。 改性共轭二烯聚合物橡胶通过使用有机活性金属化合物作为引发剂在烃溶剂中共轭共轭二烯单体单元和芳族乙烯基单体单元而获得。 所得到的活性共轭二烯聚合物链具有末端改性基团，其通过使至少一种具有可与聚合物链的活性末端反应的官能团的化合物反应而获得。 此外，末端改性基团具有与二氧化硅相互作用的官能团。

公开(公告)号：US20130338255A1

公开(公告)日：2013-12-19

申请号：US13991398

申请日：2011-11-25

申请人： Ayumi Naka ,  Takashi Shirokawa ,  Makoto Ashiura ,  Yoshihiro Kameda ,  Masaki Satou ,  Keisuke Maejima

发明人： Ayumi Naka ,  Takashi Shirokawa ,  Makoto Ashiura ,  Yoshihiro Kameda ,  Masaki Satou ,  Keisuke Maejima

IPC分类号： C08K7/00

CPC分类号： C08K7/00 ,  B60C1/0016 ,  C08C19/44 ,  C08K3/36 ,  C08L7/00 ,  C08L9/00 ,  C08L15/00 ,  Y02T10/862

摘要： A rubber composition comprises a diene rubber including not less than 25% by weight of a modified conjugated diene polymer rubber and, per 100 parts by weight of the diene rubber, from 25 to 65 parts by weight of a filler, the filler comprising not less than 50% by weight of silica. The silica has a DBP absorption number of 190 to 250 ml/100 g, an N2SA of 194 to 225 m/g, and a CTAB of 185 to 215 m2/g. A ratio of the N2SA to the CTAB is from 0.9 to 1.4. The modified conjugated diene polymer rubber has a terminal modified group including a functional group that interacts with the silica. In the modified conjugated diene polymer rubber, aromatic vinyl unit content is from 38% to 48% by weight, vinyl unit content is from 20% to 35%, and weight-average molecular weight is from 600,000 to 1,000,000.

摘要翻译： 橡胶组合物包括二烯橡胶，其包含不小于25重量％的改性共轭二烯聚合物橡胶，并且相对于每100重量份的二烯橡胶，25至65重量份的填料，所述填料不少于 超过50重量％的二氧化硅。 二氧化硅的DBP吸收值为190〜250ml / 100g，N 2 SA为194〜225m 2 / g，CTAB为185〜215m 2 / g。 N2SA与CTAB的比例为0.9〜1.4。 改性共轭二烯聚合物橡胶具有包含与二氧化硅相互作用的官能团的末端改性基团。 在改性共轭二烯聚合物橡胶中，芳香族乙烯基单元含量为38〜48重量％，乙烯基单元含量为20〜35重量％，重均分子量为60万〜100万。

公开(公告)号：US20130324638A1

公开(公告)日：2013-12-05

申请号：US13991414

申请日：2011-11-25

申请人： Ayumi Naka ,  Takashi Shirokawa ,  Makoto Ashiura ,  Yoshihiro Kameda ,  Masaki Satou

发明人： Ayumi Naka ,  Takashi Shirokawa ,  Makoto Ashiura ,  Yoshihiro Kameda ,  Masaki Satou

IPC分类号： C08L15/00

CPC分类号： C08L15/00 ,  B60C1/0016 ,  C08C19/25 ,  C08C19/44 ,  C08F236/10 ,  C08K3/36 ,  C08L57/02 ,  Y02T10/862

摘要： A rubber composition comprises a diene rubber including not less than 30% by weight of a modified conjugated diene polymer rubber and, per 100 parts by weight of the diene rubber, from 1 to 25 parts by weight of a tackifying resin, and from 25 to 80 parts by weight of a filler comprising not less than 50% by weight of silica. The modified conjugated diene polymer rubber has a terminal modified group comprising a functional group that interacts with silica. In the modified conjugated diene polymer rubber, aromatic vinyl unit content is from 38% to 48% by weight, vinyl unit content is from 20% to 35%, weight-average molecular weight is from 600,000 to 1,000,000, and glass transition temperature is from −22 to −32° C. A glass transition temperature of the tackifying resin is from 50 to 110° C. higher than the glass transition temperature of the modified conjugated diene polymer rubber.

摘要翻译： 橡胶组合物包括二烯橡胶，其包含不小于30重量％的改性共轭二烯聚合物橡胶，每100重量份二烯橡胶，1至25重量份增粘树脂和25至 80重量份包含不少于50重量％二氧化硅的填料。 改性共轭二烯聚合物橡胶具有包含与二氧化硅相互作用的官能团的末端改性基团。 在改性共轭二烯聚合物橡胶中，芳香族乙烯基单元含量为38〜48重量％，乙烯基单元含量为20〜35重量％，重均分子量为60万〜100万，玻璃化转变温度为 -22至-32℃。增粘树脂的玻璃化转变温度比改性共轭二烯聚合物橡胶的玻璃化转变温度高50至110℃。

公开(公告)号：US10072138B2

公开(公告)日：2018-09-11

申请号：US13991414

申请日：2011-11-25

申请人： Ayumi Naka ,  Takashi Shirokawa ,  Makoto Ashiura ,  Yoshihiro Kameda ,  Masaki Satou

发明人： Ayumi Naka ,  Takashi Shirokawa ,  Makoto Ashiura ,  Yoshihiro Kameda ,  Masaki Satou

IPC分类号： C08K3/36 ,  B60C1/00 ,  C08L15/00 ,  C08C19/44 ,  C08F236/10 ,  C08L57/02 ,  C08C19/25

CPC分类号： C08L15/00 ,  B60C1/0016 ,  C08C19/25 ,  C08C19/44 ,  C08F236/10 ,  C08K3/36 ,  C08L57/02 ,  Y02T10/862

摘要： A rubber composition comprises a diene rubber including not less than 30% by weight of a modified conjugated diene polymer rubber and, per 100 parts by weight of the diene rubber, from 1 to 25 parts by weight of a tackifying resin, and from 25 to 80 parts by weight of a filler comprising not less than 50% by weight of silica. The modified conjugated diene polymer rubber has a terminal modified group comprising a functional group that interacts with silica. In the modified conjugated diene polymer rubber, aromatic vinyl unit content is from 38% to 48% by weight, vinyl unit content is from 20% to 35%, weight-average molecular weight is from 600,000 to 1,000,000, and glass transition temperature is from −22 to −32° C. A glass transition temperature of the tackifying resin is from 50 to 110° C. higher than the glass transition temperature of the modified conjugated diene polymer rubber.

公开(公告)号：US20100179280A1

公开(公告)日：2010-07-15

申请号：US12667274

申请日：2008-06-11

申请人： Yoshihiro Kameda ,  Makoto Ashiura

发明人： Yoshihiro Kameda ,  Makoto Ashiura

IPC分类号： C08K3/36 ,  C08F236/10

CPC分类号： C08L9/06 ,  B60C1/0016 ,  C08C19/44 ,  C08K3/013 ,  C08K3/04 ,  C08K3/36 ,  C08K5/548 ,  C08L15/00 ,  C08L2666/08

摘要： Disclosed is a sulfur-containing conjugated diolefin copolymer rubber composed of a conjugated diolefin and an aromatic vinyl compound, wherein (1) the content of sulfur bound to the rubber is 0.01 mmol % or more, (2) the content of the aromatic vinyl compound polymerization unit is not less than 5 wt % and less than 45 wt % relative to the amount of the copolymer rubber, and (3) the content of a vinyl bond (a 1,2-bond) in the conjugated diolefin polymerization unit is 30 mol % or more relative to the amount of the conjugated diolefin polymerization unit. In the the copolymerization between the conjugated diolefin and the aromatic vinyl compound, a specific sulfur-containing polymerization terminator is used to terminate the reaction of the copolymerization. The sulfur-containing conjugated diolefin copolymer rubber has good processability and a good balance among wear resistance, fracture properties and low hysteresis loss.

摘要翻译： 公开了由共轭二烯烃和芳族乙烯基化合物组成的含硫共轭二烯共聚物橡胶，其中（1）与橡胶结合的硫含量为0.01mmol％以上，（2）芳香族乙烯基化合物 聚合单元相对于共聚物橡胶的量不小于5重量％且小于45重量％，和（3）共轭二烯烃聚合单元中的乙烯基键（1,2-键）的含量为30 相对于共轭二烯烃聚合单元的量的摩尔％以上。 在共轭二烯烃和芳族乙烯基化合物的共聚中，使用特定的含硫聚合终止剂来终止​​共聚反应。 含硫共轭二烯烃共聚物橡胶具有良好的加工性能，耐磨性，断裂性能和低磁滞损耗之间的平衡良好。

公开(公告)号：US08148473B2

公开(公告)日：2012-04-03

申请号：US12667274

申请日：2008-06-11

申请人： Yoshihiro Kameda ,  Makoto Ashiura

发明人： Yoshihiro Kameda ,  Makoto Ashiura

IPC分类号： C08C19/20

CPC分类号： C08L9/06 ,  B60C1/0016 ,  C08C19/44 ,  C08K3/013 ,  C08K3/04 ,  C08K3/36 ,  C08K5/548 ,  C08L15/00 ,  C08L2666/08

摘要： Disclosed is a sulfur-containing conjugated diolefin copolymer rubber composed of a conjugated diolefin and an aromatic vinyl compound, wherein (1) the content of sulfur bound to the rubber is 0.01 mmol % or more, (2) the content of the aromatic vinyl compound polymerization unit is not less than 5 wt % and less than 45 wt % relative to the amount of the copolymer rubber, and (3) the content of a vinyl bond (a 1,2-bond) in the conjugated diolefin polymerization unit is 30 mol % or more relative to the amount of the conjugated diolefin polymerization unit. In the copolymerization between the conjugated diolefin and the aromatic vinyl compound, a sulfur-containing polymerization terminator is used to terminate the reaction of the copolymerization.

摘要翻译： 公开了由共轭二烯烃和芳族乙烯基化合物组成的含硫共轭二烯共聚物橡胶，其中（1）与橡胶结合的硫含量为0.01mmol％以上，（2）芳香族乙烯基化合物 聚合单元相对于共聚物橡胶的量不小于5重量％且小于45重量％，和（3）共轭二烯烃聚合单元中的乙烯基键（1,2-键）的含量为30 相对于共轭二烯烃聚合单元的量的摩尔％以上。 在共轭二烯烃和芳族乙烯基化合物的共聚中，使用含硫聚合终止剂来终止​​共聚反应。

公开(公告)号：US07795356B2

公开(公告)日：2010-09-14

申请号：US12424134

申请日：2009-04-15

申请人： Satoshi Mihara ,  Yoshihiro Kameda

发明人： Satoshi Mihara ,  Yoshihiro Kameda

IPC分类号： C08F8/30 ,  C08F36/06

CPC分类号： C08K5/3462 ,  B60C1/0016 ,  B60C11/005 ,  C08K5/3432 ,  C08K5/3465 ,  C08K5/34922 ,  C08L21/00

摘要： A rubber composition containing 100 parts by weight of a diene-based rubber, 20 to 120 parts by weight of silica, 3 to 15% by weight, based upon the weight of silica, of a sulfur-containing silane coupling agent and (A) 1,5-diazabicyclo[4,3,0]nonene-5 (DBN) having the formula (I): and/or a salt thereof or (B) 0.1 to 3.0 parts by weight of a compound having a piperidine skeleton having the formula (II) or a salt thereof and/or formula (III): wherein n indicates 3 or 5, R1 indicates CH or N and R2 indicates H or OH when R1 is CH, or H when R1 is N, and a melamine derivative of formula (IV): wherein R3 is a methoxymethyl group (—CH2OCH3) or methylol group (—CH2OH), the number of methoxymethyl groups is 3 to 6, and the number of methylol groups is 0 to 3, and/or polymer or copolymer resins of the same and a pneumatic tire using the same.

摘要翻译： 含有100重量份二烯系橡胶，20〜120重量份二氧化硅，3〜15重量％，基于二氧化硅的含硫硅烷偶联剂和（A）的橡胶组合物， 具有式（I）的1,5-二氮杂双环[4,3,0]壬烯-5（DBN）：和/或其盐或（B）0.1至3.0重量份具有哌啶骨架的化合物 式（II）或其盐和/或式（III）：其中n表示3或5，R 1表示CH或N，当R 1为CH时，R 2表示H或OH，或当R 1为N时，表示H，和三聚氰胺衍生物 式（Ⅳ）的化合物：其中R3为甲氧基甲基（-CH2OCH3）或羟甲基（-CH2OH），甲氧基甲基数为3至6，羟甲基数为0至3，和/或聚合物或 共聚物树脂和使用其的充气轮胎。

公开(公告)号：US10273352B2

公开(公告)日：2019-04-30

申请号：US11832933

申请日：2007-08-02

申请人： Naoya Amino ,  Yoshihiro Kameda ,  Kazuto Yamakawa ,  Akitomo Sato

发明人： Naoya Amino ,  Yoshihiro Kameda ,  Kazuto Yamakawa ,  Akitomo Sato

IPC分类号： B60C1/00 ,  B60C11/00 ,  C08L19/00 ,  C08L21/00 ,  C08K3/04 ,  C08K3/36 ,  C08K5/00 ,  C08K3/013

摘要： A pneumatic tire using as a tread part, a rubber composition containing a high silica-content rubber composition having a difference F-S between an amount of filler F and an amount of a softening agent S of 60 to 90 parts by weight and having a durometer hardness measured at 20° C. of 65 to 76.