PROBLEM TO BE SOLVED: To provide a method or the like for producing in excellent productivity, a master batch by which rubber properties are improved, such as breaking strength, rigidity or a high mileage, by improving a taking amount of a filler into rubber and dispersibility of the filler into the rubber.SOLUTION: A production method of a master batch includes the steps of: (1) preparing blended latex formed by blending rubber latex having a zeta potential of -100 to -20 mV and a filler dispersion having a zeta potential of -120 to -10 mV; (2) adjusting a zeta potential of the blended latex obtained in the step (1) at -30 to 0 mV; and (3) solidifying a coagulum obtained in the step (2) by an organic solvent.SELECTED DRAWING: None

    【課題】 ゴム中へのフィラーの取り込み量及びゴム中でのフィラーの分散性を向上させ、破断強度、剛性、低燃費性、等のゴム物性が改善されたマスターバッチを生産性良く製造する方法等を提供する。【解決手段】 ゼータ電位が−100〜−20mVのゴムラテックスと、ゼータ電位が−120〜−10mVのフィラー分散体とを混合して配合ラテックスを調製する工程(1)、前記工程(1)で得られた配合ラテックスのゼータ電位を−30〜0mVに調整する工程(2)、及び、前記工程(2)で得られた凝固物を有機溶媒で凝固する工程(3)を含むマスターバッチの製造方法。【選択図】なし


    Access

    Download


    Export, share and cite



    Title :

    PRODUCTION METHOD OF MASTER BATCH


    Additional title:

    マスターバッチの製造方法


    Contributors:

    Publication date :

    2018-08-02


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    C08J Verarbeitung , WORKING-UP / B60C VEHICLE TYRES , Fahrzeugreifen / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen



    MASTER BATCH PRODUCTION METHOD

    MIYAZAKI SUMIKO / KAWASAKI TAKAFUMI / ITO KOTARO et al. | European Patent Office | 2019

    Free access

    MASTER BATCH PRODUCTION METHOD

    MIYAZAKI SUMIKO / KAWASAKI TAKAFUMI / ITO KOTARO et al. | European Patent Office | 2018

    Free access

    METHOD FOR PRODUCING MASTER BATCH, MASTER BATCH OBTAINED BY SAID PRODUCTION METHOD, RUBBER COMPOSITION FOR TIRE, AND PNEUMATIC TIRE

    MIYAZAKI SUMIKO / MABUCHI TAKAHIRO / KAWASAKI TAKAFUMI et al. | European Patent Office | 2020

    Free access

    METHOD FOR PRODUCING MASTER BATCH

    MIYAZAKI SUMIKO | European Patent Office | 2018

    Free access

    METHOD FOR PRODUCING MASTER BATCH, MASTER BATCH OBTAINED BY SAID PRODUCTION METHOD, RUBBER COMPOSITION FOR TIRE, AND PNEUMATIC TIRE

    MIYAZAKI SUMIKO / MABUCHI TAKAHIRO / KAWASAKI TAKASHI et al. | European Patent Office | 2016

    Free access