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    RUBBER/FIBER ADHESION TREATING AGENT AND SYNTHETIC FIBER CORD FOR RUBBER REINFORCEMENT USING SAME
    3.
    发明公开
    RUBBER/FIBER ADHESION TREATING AGENT AND SYNTHETIC FIBER CORD FOR RUBBER REINFORCEMENT USING SAME 审中-公开

    公开(公告)号：EP4438802A1

    公开(公告)日：2024-10-02

    申请号：EP22898439.9

    申请日：2022-11-14

    Applicant: Toray Industries, Inc.

    Inventor： MANABE, Takao ,  NISHIHATA, Shinichi ,  KATO, Yasutaka

    IPC: D06M15/17 ,  D06M13/395 ,  D06M15/356 ,  D06M15/55 ,  D06M15/693

    CPC classification number: D06M15/17 ,  D06M15/55 ,  D06M13/395 ,  D06M15/693 ,  D06M15/356

    Abstract: An object of the present invention is to provide an adhesive treatment agent for rubber and fiber and a synthetic fiber cord for rubber reinforcement, which are composed of an adhesive treatment agent not containing resorcin or formalin and using a raw material advantageous for reducing an environmental load, which exhibit an initial adhesive force equal to or more than that of conventional RFLs, which are less likely to cause adhesive deterioration under a high temperature for a long time in a state of being embedded in rubber, and which have suppressed strength deterioration when repeatedly stretched and compressed in rubber. An object of the present invention is also to provide an adhesive treatment agent for rubber and fiber and a synthetic fiber cord for rubber reinforcement which have a good storage stability of an adhesive treatment agent, can suppress generation of a resin solidified product in a dipping process, and have a good productivity. The gist of the present invention is an adhesive treatment agent for rubber and fiber, the adhesive treatment agent containing at least: a lignin derivative (A); a water-soluble or water-dispersible crosslinking agent (B); and a rubber latex (C), the adhesive treatment agent not containing a resorcin-formaldehyde resin, wherein the lignin derivative (A) has a number average molecular weight of 10,000 to 60,000 and a weight average molecular weight of 80,000 to 130,000.

    GREEN ENVIRONMENTALLY FRIENDLY ADHESIVE DIPPING LIQUID AND METHOD FOR PRODUCTION THEREOF
    7.
    发明公开
    GREEN ENVIRONMENTALLY FRIENDLY ADHESIVE DIPPING LIQUID AND METHOD FOR PRODUCTION THEREOF 审中-公开

    公开(公告)号：EP3978679A1

    公开(公告)日：2022-04-06

    申请号：EP20836181.6

    申请日：2020-07-02

    Applicant: Willing New Materials Technology Co., Ltd.

    Inventor： WANG, Zhiqiang ,  JIANG, Guangfeng ,  ZHAO, Jianping ,  LIU, Yidonglin ,  WANG, Fei

    IPC: D06M13/395 ,  D06M15/693 ,  D06M15/37

    Abstract: Provided is an environment-friendly impregnation solution, which comprises the following raw materials in percentage by weight: 1-15% of blocked isocyanate, 0.5-10% of special amino resin, 10-50% of rubber latex, 1-5% of auxiliaries, and the balance of water, wherein the sum of the weight percentage of each component is 100%. Provided also is a method for preparing the environment-friendly impregnation solution, which comprises: adding blocked isocyanate and Auxiliary a into water and stirring uniformly to obtain Composition 1; adding Auxiliary b into Composition 1 and stirring uniformly to obtain Composition 2; adding special amino resin into Composition 2 and stirring uniformly, then subjecting the same to grinding to obtain Composition 3; adding rubber latex into Composition 3 and stirring uniformly to obtain the environment-friendly impregnation solution, followed by packaging. The impregnation solution of the invention does not contain toxic and harmful substances such as formaldehyde and resorcinol, and the preparation method thereof is simple, easy to operate, short in production cycle, and has a high safety factor, thus ensuring that the impregnation solution preparation and impregnation processes are safe and environment-friendly.

    REINFORCEMENT MATERIAL AND ELASTOMERIC PRODUCT REINFORCED THEREWITH
    9.
    发明公开
    REINFORCEMENT MATERIAL AND ELASTOMERIC PRODUCT REINFORCED THEREWITH 审中-公开

    公开(公告)号：EP3848191A1

    公开(公告)日：2021-07-14

    申请号：EP20150576.5

    申请日：2020-01-07

    Applicant: Glanzstoff Industries A.G.

    Inventor： HERRERO ACERO, Enrique

    IPC: B29D30/38 ,  B29B15/12 ,  D06M15/564 ,  D06M13/395

    Abstract: Reinforcement material, in particular tire cord or tire cord fabric, for an elastomeric product, comprising a reinforcing fiber construction and a transition zone material to be arranged and to form a transition zone between the fiber construction and a rubber matrix of the product and comprising a first substance to enable, via vulcanization, a first anchorage to the rubber matrix of the product and being in coupling contact with a second substance providing a second anchorage to the fiber construction, wherein the coupling contact is a coupling contact made with already established second anchorage.

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