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    PNEUMATIC TIRE
    53.
    发明公开
    PNEUMATIC TIRE 审中-公开

    公开(公告)号：US20230182508A1

    公开(公告)日：2023-06-15

    申请号：US17981519

    申请日：2022-11-07

    Applicant: TOYO TIRE CORPORATION

    Inventor： Shinya Hasegawa

    IPC: B60C15/06 ,  C08F36/08 ,  C08K3/06 ,  C08K3/04

    CPC classification number: B60C15/0607 ,  C08F36/08 ,  C08K3/06 ,  C08K3/04 ,  B60C2200/06

    Abstract: An object of the invention is to provide a pneumatic tire having excellent durability. In the pneumatic tire, a content of sulfur (US) in a rubber composition (U) used in an upper bead filler, a content of sulfur (LS) in a rubber composition (L) used in a lower bead filler, and a content of sulfur (PS) in a rubber composition (P) used in a pad satisfy the following Expression (1) and Expression (2).


    4.0

    RUBBER REINFORCING FILLER AND ITS PREPARATION METHOD BY ACTIVATION AND MODIFICATION OF COAL GANGUE
    54.
    发明公开
    RUBBER REINFORCING FILLER AND ITS PREPARATION METHOD BY ACTIVATION AND MODIFICATION OF COAL GANGUE 审中-公开

    公开(公告)号：US20230151188A1

    公开(公告)日：2023-05-18

    申请号：US17985179

    申请日：2022-11-11

    Applicant: Taiyuan University of Technology

    Inventor： Wei HUANG ,  Kai YANG ,  Qian ZHANG ,  Jianwei LIU ,  Zenglin GAO ,  Zeguang HAO

    IPC: C08K11/00 ,  C08K3/36 ,  C08K9/04 ,  C08F36/08

    CPC classification number: C08K11/005 ,  C08F36/08 ,  C08K3/36 ,  C08K9/04 ,  C08K2201/005

    Abstract: A rubber reinforcing filler and a method for preparing rubber reinforcing filler by activation and modification of coal gangue are provided. The method includes the following steps: providing coal gangue raw material; crushing coal gangue raw materials; the crushed coal gangue raw materials are ultrafine grinding to obtain coal gangue particles; coal gangue particles were obtained by air flow classification. Activation of coal gangue particles; the activated gangue particles were surface modified and ground to obtain the modified gangue particles. The invention relates to the field of comprehensive utilization of coal gangue and the technical field of rubber filler. The method is simple and effective, which can complete the blending modification of coupling agent and activated coal gangue particles for surface modification at low cost, so as to avoid the waste of materials in the traditional modification process and realize the preparation of high quality rubber reinforcing filler.

    OXO-NITROGENATED IRON COMPLEX, CATALYTIC SYSTEM COMPRISING SAID OXO-NITROGENATED IRON COMPLEX AND PROCESS FOR THE (CO)POLYMERIZATION OF CONJUGATED DIENES
    55.
    发明申请
    OXO-NITROGENATED IRON COMPLEX, CATALYTIC SYSTEM COMPRISING SAID OXO-NITROGENATED IRON COMPLEX AND PROCESS FOR THE (CO)POLYMERIZATION OF CONJUGATED DIENES 有权

    公开(公告)号：US20210245145A1

    公开(公告)日：2021-08-12

    申请号：US17204570

    申请日：2021-03-17

    Applicant: Versalis S.p.A.

    Inventor： Guido PAMPALONI ,  Anna SOMMAZZI ,  Giovanni RICCI ,  Francesco MASI ,  Giuseppe LEONE

    IPC: B01J31/20 ,  C08F36/08 ,  C08F36/06 ,  C08F4/70 ,  C08F4/52

    Abstract: An oxo-nitrogenated iron complex having general formula (I) or (II) wherein: R1 and R2 identical or different, represent a hydrogen atom; or are selected from linear or branched, optionally halogenated C1-C20, preferably C1-C15, alkyl groups, optionally substituted cycloalkyl groups, optionally substituted aryl groups; R3, identical or different, represent a hydrogen atom; or are selected from linear or branched, optionally halogenated C1-C20, preferably C1-C15, alkyl groups, optionally substituted cycloalkyl groups, optionally substituted aryl groups; X1 and X2, identical or different, represent a halogen atom such as, for example, chlorine, bromine, iodine; or are selected from linear or branched C1-C20, preferably C1-C15, alkyl groups, —OCOR4 groups or —OR4 groups wherein R4 is selected from linear or branched C1-C20, preferably C1-C15, alkyl groups. Said oxo-nitrogenated iron complex having general formula (I) or (II) can be advantageously used in a catalytic system for the (co)polymerization of conjugated dienes.

    GOLF CLUB GRIP AND GOLF CLUB
    58.
    发明申请
    GOLF CLUB GRIP AND GOLF CLUB 有权

    公开(公告)号：US20210106890A1

    公开(公告)日：2021-04-15

    申请号：US17063577

    申请日：2020-10-05

    Applicant: Sumitomo Rubber Industries, Ltd.

    Inventor： Sho GOJI ,  Kazuyoshi SHIGA

    IPC: A63B53/14 ,  C08L23/22 ,  C08L23/16 ,  C08L7/00 ,  C08F36/08

    Abstract: An object of the present invention is to provide a golf club grip having great anti-slipping performance in the material itself constituting the grip. The present invention provides a golf club grip comprising an outermost surface layer, wherein at least a part of the outermost surface layer is formed from a rubber composition containing (A) a base rubber and (B) a tackifier having a softening point in a range of from 5° C. to 120° C., and a portion formed from the rubber composition has a loss tangent (tan δ) (30° C., 10 Hz) and a complex elastic modulus (E*) (30° C., 10 Hz) satisfying a relationship of 0.070≤tan δ/(E*)0.2≤0.098.

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