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    TIRE
    1.
    发明申请
    TIRE 审中-公开

    公开(公告)号：US20170298189A1

    公开(公告)日：2017-10-19

    申请号：US15513557

    申请日：2015-09-24

    Applicant: BRIDGESTONE CORPORATION

    Inventor： Yuki ITOH ,  Soichi KYO

    IPC: C08G81/00 ,  B60C1/00

    CPC classification number: C08G81/00 ,  B60C1/0041 ,  C08G69/14 ,  C08G69/36 ,  C08G69/40 ,  C08G2380/00

    Abstract: A tire including a tire frame that is formed of a resin material and has a circular form, the resin material including a thermoplastic elastomer having a hard segment and a soft segment, and a polymer compound that has the same structural unit as the structural unit of the soft segment and which is different from the thermoplastic elastomer, a content of the polymer compound in the tire frame being from 0.20 parts by mass to 2.5 parts by mass with respect to 100 parts by mass of the thermoplastic elastomer contained in the tire frame.

    TIRE
    2.
    发明申请
    TIRE 审中-公开

    公开(公告)号：US20190061423A1

    公开(公告)日：2019-02-28

    申请号：US16078096

    申请日：2017-02-21

    Applicant: BRIDGESTONE CORPORATION

    Inventor： Yuki ITOH ,  Midori KAWADA ,  Mari MIYANO

    IPC: B60C1/00 ,  B60C5/08 ,  B60C5/00 ,  C08G69/44 ,  C08G69/40

    Abstract: A tire includes a rubber member and a round tire frame made of a resin material. The resin material includes a thermoplastic elastomer, and has a deflection temperature under load of 150° C. or higher. The thermoplastic elastomer includes a soft segment and a hard segment derived from a polyamide. A minimum number X of carbon atoms present between nitrogen atoms in the main chain of the polyamide in the hard segment and a molecular weight Y of the hard segment satisfy the following Formulae 1 to 3: Y=250X+A  Formula 1: 6≤X≤12  Formula 2: −1000≤A≤1500.  Formula 3:

    PROCESS OF PRODUCING RUBBER COMPOSITION
    3.
    发明申请
    PROCESS OF PRODUCING RUBBER COMPOSITION 审中-公开
    生产橡胶组合物的方法

    公开(公告)号：US20160168365A1

    公开(公告)日：2016-06-16

    申请号：US15053010

    申请日：2016-02-25

    Applicant: BRIDGESTONE CORPORATION

    Inventor： Eiju SUZUKI ,  Yuki ITOH ,  Ryouta TAMATE

    IPC: C08L9/08 ,  C08L9/06 ,  C08K13/02

    CPC classification number: C08L9/08 ,  B60C1/0016 ,  B60C1/0025 ,  C08K3/04 ,  C08K3/36 ,  C08K5/09 ,  C08K5/098 ,  C08K5/548 ,  C08K13/02 ,  C08L7/00 ,  C08L9/06 ,  C08L2205/02 ,  C08L2205/025

    Abstract: Rubber composition containing at least 10 parts by mass, in 100 parts by mass of a rubber component, of a polymer component (B) containing a residue of an organic acid (A) added in a production process of the polymer, and containing from 10 to 150 parts by mass of a reinforcing filler (C), and 6 parts by mass or less in total of the residue of an organic acid (A) and an organic acid (D) used on mixing, per 100 parts by mass of the rubber component, thereby providing a rubber composition and a tire produced by using the composition, by defining the total amount of an acidic component with respect to the total mixed rubber, including an organic acid, such as stearic acid, and an organic acid contained in a residue of an emulsifier added in a production process of emulsion-polymerized SBR.

    Abstract translation: 在100质量份橡胶组分中含有至少10质量份的含有在聚合物的制备过程中加入的有机酸（A）残基的聚合物组分（B）的橡胶组合物，并含有10 至150质量份的增强填料（C），和混合使用的有机酸（A）和有机酸（D）的残留物的总量为6质量份以下，相对于100质量份 橡胶组分，从而提供一种橡胶组合物和通过使用该组合物制造的轮胎，通过将包含有机酸如硬脂酸和包含在其中的有机酸的总混合橡胶的总酸量定义为 在乳液聚合的SBR的制备方法中加入乳化剂的残余物。

    MODIFYING AGENT, METHOD FOR PRODUCING MODIFIED CONJUGATED DIENE POLYMER USING MODIFYING AGENT, AND MODIFIED CONJUGATED DIENE POLYMER
    4.
    发明申请
    MODIFYING AGENT, METHOD FOR PRODUCING MODIFIED CONJUGATED DIENE POLYMER USING MODIFYING AGENT, AND MODIFIED CONJUGATED DIENE POLYMER 审中-公开
    改性剂，使用改性剂生产改性共轭二烯聚合物的方法和改性共轭二烯聚合物

    公开(公告)号：US20150073166A1

    公开(公告)日：2015-03-12

    申请号：US14547316

    申请日：2014-11-19

    Applicant: BRIDGESTONE CORPORATION

    Inventor： Kenji NAKATANI ,  Yuki ITOH

    IPC: C07F7/18

    CPC classification number: C07F7/1888 ,  B60C1/0016 ,  C07F7/1876 ,  C08C19/25 ,  C08C19/44 ,  C08L15/00

    Abstract: Provided are a modifying agent obtained by subjecting a silicon-containing compound having a protected primary amino group and at least two hydrolyzable groups to complete condensation, a method of producing a modified conjugated diene-based polymer, a modified conjugated diene-based polymer obtained by the production method, a rubber composition using the polymer, and a pneumatic tire. The modified conjugated diene-based polymer has excellent low heat generating property and abrasion resistance, and the rubber composition is obtained by using the modified conjugated diene-based polymer and the pneumatic tire is obtained by using the rubber composition.

    Abstract translation: 提供了通过使具有被保护的伯氨基和至少两个可水解基团的含硅化合物进行缩合而得到的改性剂，改性共轭二烯系聚合物的制造方法，改性共轭二烯系聚合物 该制造方法，使用该聚合物的橡胶组合物和充气轮胎。 改性共轭二烯类聚合物具有优异的低发热性和耐磨性，通过使用改性共轭二烯系聚合物得到橡胶组合物，通过使用橡胶组合物得到充气轮胎。

    TIRE
    5.
    发明申请
    TIRE 审中-公开

    公开(公告)号：US20170291991A1

    公开(公告)日：2017-10-12

    申请号：US15513989

    申请日：2015-09-24

    Applicant: BRIDGESTONE CORPORATION

    Inventor： Yuki ITOH ,  Yasunori TARUTANI

    IPC: C08G69/40 ,  C08G69/36 ,  B60C1/00

    CPC classification number: C08G69/40 ,  B60C1/0041 ,  C08G69/14 ,  C08G69/36 ,  C08G2380/00

    Abstract: A tire including a tire skeleton body that is made of a resin material containing a polyamide-based thermoplastic elastomer and has a ring shape, wherein the polyamide-based thermoplastic elastomer includes a hard segment, a soft segment consisting of a constituent unit derived from polypropylene glycol, and a binding portion that binds two or more segments and that consists of a constituent unit derived from a dicarboxylic acid of from 6 to 20 carbons, the polyamide-based thermoplastic elastomer having a weight average molecular weight of from 20,000 to 250,000.

    TIRE
    6.
    发明申请
    TIRE 审中-公开

    公开(公告)号：US20170217251A1

    公开(公告)日：2017-08-03

    申请号：US15515137

    申请日：2015-09-29

    Applicant: BRIDGESTONE CORPORATION

    Inventor： Yuki ITOH

    IPC: B60C1/00 ,  C08G81/00

    CPC classification number: B60C1/0041 ,  B60C1/00 ,  B60C5/01 ,  C08G69/36 ,  C08G69/40 ,  C08G81/00 ,  C08G2380/00 ,  C08L21/00

    Abstract: There is provided a tire including a tire frame that is formed of a resin material and has a circular form, wherein the resin material includes a thermoplastic elastomer having a hard segment (HS) and a soft segment (SS), in which only one unit of the soft segment (SS) is included in a single molecular chain, and both terminals of the single molecular chain are formed by the hard segment (HS), the thermoplastic elastomer having a number average molecular weight of from 12,000 to 24,000.

    TIRE
    10.
    发明申请
    TIRE 审中-公开

    公开(公告)号：US20170232796A1

    公开(公告)日：2017-08-17

    申请号：US15515135

    申请日：2015-09-29

    Applicant: BRIDGESTONE CORPORATION

    Inventor： Yuki ITOH

    IPC: B60C5/00 ,  C08G69/40 ,  C08G69/14

    CPC classification number: B60C5/007 ,  B29D30/08 ,  B60C1/00 ,  B60C5/01 ,  C08G69/14 ,  C08G69/36 ,  C08G69/40 ,  C08G2380/00 ,  C08L21/00

    Abstract: There is provided a tire comprising a tire frame that is formed of a resin material and has a circular form, wherein the resin material comprises a thermoplastic elastomer having a structure including a hard segment (HS) and a soft segment (SS), which repeat alternately, in which a number of repeating units in one molecular chain is from 2 to 10, each of the repeating units being a pair of the hard segment (HS) and the soft segment (SS), the thermoplastic elastomer having a number average molecular weight of from 45,000 to 160,000.

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