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    METHOD FOR EVALUATING ENERGY LOSS, CHIPPING RESISTANCE AND ABRASION RESISTANCE OF POLYMERIC MATERIAL
    5.
    发明申请
    METHOD FOR EVALUATING ENERGY LOSS, CHIPPING RESISTANCE AND ABRASION RESISTANCE OF POLYMERIC MATERIAL 有权
    评估聚合材料的能量损失，耐电流和耐磨性的方法

    公开(公告)号：US20140140483A1

    公开(公告)日：2014-05-22

    申请号：US14071149

    申请日：2013-11-04

    Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.

    Inventor： Ryo MASHITA ,  Hiroyuki KISHIMOTO ,  Tomomi MASUI

    IPC: G01N23/202 ,  G01N23/201

    CPC classification number: G01N23/202 ,  G01N23/201 ,  G01N2223/1006 ,  G01N2223/1016 ,  G01N2223/106 ,  G01N2223/623

    Abstract: The present invention provides a method for evaluating energy loss in a polymeric material, wherein the method provides sufficient evaluation of the difference in performance between samples with excellent measurement accuracy; a method for evaluating chipping resistance of a polymeric material, wherein the method provides evaluation in a short period of time and at low cost with excellent measurement accuracy; and a method for evaluating abrasion resistance of a polymeric material, wherein the method provides sufficient evaluation of the difference in performance between samples with excellent measurement accuracy. The present invention relates to methods for evaluating energy loss, chipping resistance, and abrasion resistance of a polymeric material, and the methods include irradiating the polymeric material with X-rays or neutrons to perform X-ray scattering measurement or neutron scattering measurement.

    Abstract translation: 本发明提供了一种用于评估聚合物材料中的能量损失的方法，其中该方法提供了具有优异测量精度的样品之间的性能差异的充分评估; 评价聚合物材料的耐崩裂性的方法，其中，所述方法在短时间内以低成本提供以优异的测量精度进行评估; 以及用于评价聚合物材料的耐磨性的方法，其中该方法提供了具有优异测量精度的样品之间的性能差异的充分评估。 本发明涉及用于评估聚合材料的能量损失，耐崩裂性和耐磨性的方法，并且所述方法包括用X射线或中子照射聚合物材料以进行X射线散射测量或中子散射测量。

    PNEUMATIC TIRE
    6.
    发明申请
    PNEUMATIC TIRE 审中-公开

    公开(公告)号：US20180134075A1

    公开(公告)日：2018-05-17

    申请号：US15869895

    申请日：2018-01-12

    Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.

    Inventor： Toru IIZUKA ,  Tomomi MASUI ,  Mutsuki SUGIMOTO

    IPC: B60C1/00

    CPC classification number: B60C1/0008 ,  B32B25/08 ,  B32B25/18 ,  B32B27/08 ,  B32B27/302 ,  B32B2270/00 ,  B32B2274/00 ,  B32B2307/54 ,  B32B2307/71 ,  B32B2307/712 ,  B32B2307/718 ,  B32B2307/724 ,  B32B2605/00 ,  B60C5/14 ,  B60C2005/145 ,  C08F8/10 ,  C08F297/00 ,  C08L53/00 ,  C08L23/22 ,  C08L53/005 ,  C08L91/00

    Abstract: A pneumatic tire has a carcass layer extending from a tread portion to bead portions on both sides thereof, a belt layer on an outer side of a crown portion thereof, and an inner liner disposed on an inner side of the carcass layer. The inner liner is composed of a first layer disposed on an inner side of the tire, and a second layer disposed in contact with a rubber layer of said carcass layer. The first layer is an elastomer composition containing a thermoplastic elastomer, an ultraviolet absorber and an antioxidant, the thermoplastic elastomer containing at least one of a styrene-isobutylene-styrene block copolymer and a SIBS modified copolymer obtained by modifying a styrene block portion of a styrene-isobutylene-styrene block copolymer with one of acid chloride and acid anhydride having an unsaturated bond. The second layer contains an elastomer containing at least one of a styrene-isoprene-styrene block copolymer and a styrene-isobutylene block copolymer. The first layer and the second layer are elastomer compositions containing the ultraviolet absorber and the antioxidant by 0.5 parts by mass to 40 parts by mass relative to 100 parts by mass of an elastomer component. In the inner liner, an average thickness Gs in a buttress region Rs extending from a tire largest width position to a corresponding position Lu at a belt layer end is thinner than an average thickness Gb in a bead region Rb extending from the tire largest width position to a bead toe.

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