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1. 发明授权

US12054573B2 Functionalized polymers having thermoresponsive behavior 有权
公开(公告)号：US12054573B2
公开(公告)日：2024-08-06
申请号：US17168562
申请日：2021-02-05
申请人： Bridgestone Americas Tire Operations, LLC , Bridgestone Corporation
发明人： Joshua P. Abell , Erin Sheepwash , Noriaki Yukimura
IPC分类号： C08F299/02
CPC分类号： C08F299/024
摘要： A method for preparing a functionalized polymer includes the steps of (i) polymerizing monomer to form a reactive polymer; and (ii) reacting the reactive polymer with a [poly(hydrocarbylene glycol) hydrocarbyl ether] (meth)acrylate.

2. 发明授权

US11884767B2 High cis-1,4 block copolymers of polybutadiene and polyisoprene 有权
公开(公告)号：US11884767B2
公开(公告)日：2024-01-30
申请号：US17564414
申请日：2021-12-29
申请人： Bridgestone Corporation
发明人： Hyeonjae Kim , Walter A. Salamant , Noriaki Yukimura , Steven Luo
IPC分类号： C08F297/02 , C08F293/00 , C08F4/54 , C08F4/42 , B60C1/00 , B60C11/00 , C08K3/04 , C08L53/00 , C08L9/00
CPC分类号： C08F297/02 , B60C1/0016 , B60C1/0025 , B60C11/0008 , C08F4/42 , C08F4/545 , C08F293/005 , C08K3/04 , C08L53/00 , B60C2011/0025 , C08F2438/03 , C08L9/00
摘要： A vulcanizable composition comprising rubber component, a filler, and a curing agent, where the rubber component includes a block copolymer of polybutadiene and polyisoprene, and where the block copolymer has a cis content of at least 90%.

3. 发明公开

US20240368325A1 High Strength Hydrogenated Polymers, And Rubber Compositions Incorporating Same 审中-公开
公开(公告)号：US20240368325A1
公开(公告)日：2024-11-07
申请号：US18775411
申请日：2024-07-17
申请人： Bridgestone Corporation
发明人： Michael R. Beaulieu , Noriaki Yukimura , Zengquan Qin
IPC分类号： C08F236/10 , C08F4/48 , C08F8/42
CPC分类号： C08F236/10 , C08F4/482 , C08F8/42
摘要： Embodiments of the present disclosure are directed to functionalized copolymers produced by copolymerization of at least one conjugated diolefin monomer and at least one vinyl monomer, the functionalized copolymer comprising at least one functional group having silica reactive moieties, wherein the functionalized copolymer has a degree of hydrogenation of 75% to 98 mol % as measured using proton nuclear magnetic resonance spectroscopy (1H NMR).

4. 发明授权

US10730961B2 Processes for preparing functionahzed polymers, related functionalizing compound and preparation thereof 有权
公开(公告)号：US10730961B2
公开(公告)日：2020-08-04
申请号：US15748409
申请日：2016-07-28
申请人： Bridgestone Corporation
发明人： Noriaki Yukimura
IPC分类号： C08C19/25 , C08L15/00 , C08C19/44 , C08F236/06 , C07F7/10 , C07F7/18 , C07F7/08
摘要： Disclosed herein are processes for preparing functionalized polymers, functionalizing compounds useful in the processes and processes for preparing the functionalizing compound. The processes for preparing a functionalized polymer include reaction of a functionalizing compound (prepared from the reaction of an alkoxysilane compound of formula (I) with a polyol of formula (II)) with a reactive conjugated diene monomer-containing polymer, thereby producing a polymer end functionalized with the functionalizing compound. In certain embodiments, the functionalizing compound has a formula according to formula (III), (IV), or (V).

5. 发明授权

US10053553B2 Rubber composition, and pneumatic tire using same 有权
公开(公告)号：US10053553B2
公开(公告)日：2018-08-21
申请号：US14764205
申请日：2014-01-30
申请人： BRIDGESTONE CORPORATION , OTSUKA CHEMICAL CO., LTD.
发明人： Noriaki Yukimura , Takahiro Yoshizawa , Kazuhiro Kodama , Hiroaki Yuasa , Noriaki Shiina , Takashi Sato , Hiroyuki Ishitobi , Mifuyu Ueno , Shinya Nakashima , Masaki Abe
IPC分类号： C08K5/36 , C08K5/3415 , C08K5/3417 , B60C11/00 , B60C1/00 , C08K3/00 , C08K5/31 , C08L7/00 , C08L9/00 , C08K3/04 , C08K5/3445 , C08K5/3462 , C08K5/3447
CPC分类号： C08K5/36 , B60C1/00 , B60C1/0016 , B60C11/00 , B60C2200/065 , C08K3/00 , C08K3/04 , C08K5/31 , C08K5/3415 , C08K5/3417 , C08K5/3445 , C08K5/3447 , C08K5/3462 , C08L7/00 , C08L9/00
摘要： The invention provides a rubber composition prepared by mixing, per 100 parts by mass of a rubber component comprising at least 50% by mass of a diene-based rubber, from 20 to 150 parts by mass of a filler, and from 0.05 to 30 parts by mass of a compound A which has a specific guanidine structure and has a functional group reactive with the diene-based rubber. The rubber composition improves both a high elastic modulus and a low tan δ. The invention also provides a pneumatic tire using the rubber composition.

6. 发明申请

US20230134110A1 High Strength Hydrogenated Polymers, And Rubber Compositions Incorporating Same 有权
公开(公告)号：US20230134110A1
公开(公告)日：2023-05-04
申请号：US16472362
申请日：2017-12-21
申请人： Bridgestone Corporation
发明人： Michael R. Beaulieu , Noriaki Yukimura , Zengquan Qin
IPC分类号： C08F236/10 , C08F8/42 , C08F4/48
摘要： Embodiments of the present disclosure are directed to functionalized copolymers produced by copolymerization of at least one conjugated diolefin monomer and at least one vinyl monomer, the functionalized copolymer comprising at least one functional group having silica reactive moieties, wherein the functionalized copolymer has a degree of hydrogenation of 75% to 98 mol % as measured using proton nuclear magnetic resonance spectroscopy (1H NMR).

7. 发明申请

US20210340306A1 High Strength Hydrogenated Polymers, And Rubber Compositions Incorporating Same 有权
公开(公告)号：US20210340306A1
公开(公告)日：2021-11-04
申请号：US17253366
申请日：2019-06-20
申请人： Noriaki YUKIMURA , Michael R. BEAULIEU , Zengquan QIN , Jeffrey M. MAGISTRELLI , Walter A. SALAMANT , Ryan J. HUE , Shu WANG , Laura S. KOCSIS , Bridgestone Corporation
发明人： Noriaki Yukimura , Michael R. Beaulieu , Zengquan Qin , Jeffrey M. Magistrelli , Walter A. Salamant , Ryan J. Hue , Shu Wang , Laura S. Kocsis
IPC分类号： C08F293/00 , C08C19/02 , C08K3/36
摘要： Embodiments of the present disclosure are directed to functionalized copolymers produced by copolymerization of at least one conjugated diolefin monomer and at least one vinyl monomer, the functionalized copolymer including at least one functional group having silica reactive moieties, wherein the functionalized copolymer has a degree of hydrogenation of 75% to 98 mol % as measured using proton nuclear magnetic resonance spectroscopy (1H NMR). In one or more embodiments, the silane modifier may include an oxygen-containing moiety, wherein the oxygen atom of the oxygen-containing moiety may not be directly bonded with the silicon atom.

8. 发明申请

US20140350174A1 METHOD FOR PRODUCING RUBBER COMPOSITION 有权
标题翻译：生产橡胶组合物的方法
公开(公告)号：US20140350174A1
公开(公告)日：2014-11-27
申请号：US14368743
申请日：2012-12-21
申请人： BRIDGESTONE CORPORATION
发明人： Noriaki Yukimura , Satoshi Horie , Takumi Toda
IPC分类号： C08K3/36
CPC分类号： C08K3/36 , C08J3/20 , C08J2309/06 , C08K5/405 , C08K5/548 , C08L9/00
摘要： The present invention relates to a method for producing a rubber composition obtained by compounding a rubber component (A) containing at least one kind selected from natural rubber and synthetic diene rubber, a filler containing an inorganic filler (B), a silane coupling agent (C), and thiourea, the method comprising kneading the rubber composition in plural stages, the rubber component (A), the whole or a part of the inorganic filler (B), the whole or a part of the silane coupling agent (C), and the thiourea being kneaded in the first stage of kneading, and thus provides a method for producing a rubber composition excellent in low-heat-generation property through enhancement of the reactivity between the coupling agent and the rubber component.
摘要翻译：本发明涉及一种橡胶组合物的制造方法，该橡胶组合物通过配合含有选自天然橡胶和合成二烯橡胶中的至少一种的橡胶组分（A），含有无机填料（B）的填料，硅烷偶联剂（ C）和硫脲的方法，包括将橡胶组合物多阶段捏合，橡胶组分（A），全部或部分无机填料（B），全部或部分硅烷偶联剂（C），并且在第一捏合阶段中将硫脲捏合，从而提供通过提高偶联剂和橡胶组分之间的反应性来制备低发热性优异的橡胶组合物的方法。

9. 发明授权

US11230622B2 High cis-1,4 block copolymers of polybutadiene and polyisoprene 有权
公开(公告)号：US11230622B2
公开(公告)日：2022-01-25
申请号：US16348780
申请日：2017-11-09
申请人： Bridgestone Corporation
发明人： Hyeonjae Kim , Walter A. Salamant , Noriaki Yukimura , Steven Luo
IPC分类号： C08F297/02 , C08F293/00 , C08K3/04 , C08L53/00 , B60C1/00 , B60C11/00 , C08F4/54 , C08F4/42 , C08L9/00
摘要： A vulcanizable composition comprising rubber component, a filler, and a curing agent, where the rubber component includes a block copolymer of polybutadiene and polyisoprene, and where the block copolymer has a cis content of at least 90%.

10. 发明授权

US10501601B2 Tire rubber composition and manufacturing method therefor 有权
公开(公告)号：US10501601B2
公开(公告)日：2019-12-10
申请号：US14893307
申请日：2014-05-28
申请人： BRIDGESTONE CORPORATION
发明人： Noriaki Yukimura
IPC分类号： C08K5/405 , C08K3/36 , C08K3/04 , B60C1/00 , C08K5/548 , C08K5/30 , C08L9/06 , C08L91/00
CPC分类号： C08K5/405 , B60C1/00 , B60C1/0016 , C08K3/04 , C08K3/36 , C08K5/30 , C08K5/548 , C08L9/06 , C08L91/00 , C08K5/30 , C08L9/00 , C08K5/405 , C08L25/10 , C08K3/36 , C08L25/10 , C08K3/04 , C08L25/10 , C08K5/548 , C08L25/10 , C08L9/06 , C08L91/00 , C08K3/04 , C08K3/36 , C08K3/06 , C08K3/22 , C08K5/18 , C08K5/3437 , C08K5/31 , C08K5/47 , C08K5/47 , C08K5/09 , C08K5/548 , C08K5/405 , C08L9/06 , C08K3/04 , C08L91/00
摘要： The present invention provides a tire rubber composition prepared by mixing at least one rubber component selected from natural rubbers and synthetic diene rubbers (A), a filler including an inorganic filler (B), a silane coupling agent (C) and a thiosemicarbazone derivative (D), and provides a production method for a tire rubber composition, wherein the tire rubber composition is kneaded in plural stages, and in the first stage of kneading, the rubber component (A), all or part of the inorganic filler (B), all or part of the silane coupling agent (C), and the thiosemicarbazone derivative (D) are kneaded, therefore providing a tire rubber composition having improved reactivity between the coupling agent and the rubber component and excellent in low-heat-generation property and a production method for the composition.

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