PROBLEM TO BE SOLVED: To provide a natural rubber having improved low hysteresis loss property and abrasion resistance and a manufacturing method therefor.SOLUTION: There are provided a natural rubber having long chain branched index (LCB index) at 70°C of 10.6 to 17.9 and long chain branched index (LCB index) at 130°C of 3.0 or less and a manufacturing method of a natural rubber by adding laccase to a raw material natural rubber having long chain branched index (LCB index) at 70°C of 7.8 or more and long chain branched index (LCB index) at 130°C of 3.5 or less.SELECTED DRAWING: None

    【課題】低ヒステリシスロス性及び耐摩耗性を向上させた天然ゴムとその製造方法を提供する。【解決手段】70℃での長鎖分岐指数(LCB index)が10.6以上17.9以下で、且つ130℃での長鎖分岐指数(LCB index)が3.0以下であることを特徴とする、天然ゴム、並びに、70℃での長鎖分岐指数(LCB index)が7.8以上で且つ130℃での長鎖分岐指数(LCB index)が3.5以下である原料天然ゴムにラッカーゼを添加することを特徴とする、天然ゴムの製造方法である。【選択図】なし


    Zugriff

    Download


    Exportieren, teilen und zitieren



    Titel :

    NATURAL RUBBER, MANUFACTURING METHOD OF NATURAL RUBBER, RUBBER COMPOSITION AND TIRE


    Weitere Titelangaben:

    天然ゴム、天然ゴムの製造方法、ゴム組成物及びタイヤ


    Beteiligte:
    URATA TOMOHIRO (Autor:in)

    Erscheinungsdatum :

    01.06.2017


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    C08C TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS , Behandlung oder chemische Modifizierung von Kautschuken / B60C VEHICLE TYRES , Fahrzeugreifen / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen



    NATURAL RUBBER COMPOSITION, RUBBER COMPOSITION, AND TIRE

    HASHIGUCHI MAKOTO | Europäisches Patentamt | 2018

    Freier Zugriff

    Natural rubber, rubber composition and pneumatic tire

    MATSUURA AI / TARACHIWIN LUCKSANAPORN / KANYAWARARAK KAMALIN et al. | Europäisches Patentamt | 2021

    Freier Zugriff

    NATURAL RUBBER, RUBBER COMPOSITION AND PNEUMATIC TIRE

    MATSUURA AI / TARACHIWIN LUCKSANAPORN / KANYAWARARAK KAMALIN et al. | Europäisches Patentamt | 2017

    Freier Zugriff

    NATURAL RUBBER, RUBBER COMPOSITION AND PNEUMATIC TIRE

    MATSUURA AI / TARACHIWIN LUCKSANAPORN / KANYAWARARAK KAMALIN et al. | Europäisches Patentamt | 2020

    Freier Zugriff

    NATURAL RUBBER, RUBBER COMPOSITION AND PNEUMATIC TIRE

    MATSUURA AI / TARACHIWIN LUCKSANAPORN / KANYAWARARAK KAMALIN et al. | Europäisches Patentamt | 2017

    Freier Zugriff