The present invention relates to a rubber composition for a tire bead apex including base rubber, a reinforcing resin and a methylene donor composite, wherein the methylene donor composite includes graphene oxide. The present invention also relates to a method for preparing a rubber composition for a tire bead apex, including the steps of: preparing graphene oxide; preparing an emulsion containing a methylene donor; introducing graphene oxide to the emulsion and carrying out a solvothermal reaction; drying the mixture subjected to the solvothermal reaction to obtain a methylene donor composite; and mixing the methylene donor composite, base rubber and a reinforcing resin. The rubber composition for a tire bead apex according to the present invention has heat emission stability and shows a high hardness and high complex modulus.

    본 발명의 일 실시예에 따른 타이어 비드 에이펙스용 고무 조성물은, 원료 고무, 보강성 수지 및 메틸렌 공여체 복합체를 포함하고, 상기 메틸렌 공여체 복합체는 그래핀 옥사이드(Graphene oxide)를 포함하는 것을 특징으로 한다. 본 발명의 일 실시예에 따른 타이어 비드 에이펙스용 고무 조성물의 제조 방법은, 그래핀 옥사이드(Graphene oxide)를 준비하는 단계; 메틸렌 공여체를 포함하는 에멀젼을 준비하는 단계; 상기 에멀젼에 상기 그래핀 옥사이드를 넣고 용매 열(solvothermal) 반응을 수행하는 단계; 상기 용매 열 반응된 혼합물을 건조시켜 메틸렌 공여체 복합체를 수득하는 단계; 및 상기 메틸렌 공여체 복합체, 원료 고무 및 보강성 수지를 혼합하는 단계를 포함한다.


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    Title :

    Bead-Apex rubber composition and manufacturing method thereof


    Additional title:

    타이어 비드 에이펙스용 고무 조성물 및 이를 제조하는 방법


    Contributors:

    Publication date :

    2021-10-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / B60C VEHICLE TYRES , Fahrzeugreifen / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS



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