The invention discloses a self-repairing sealant and a preparation method thereof in the technical field of sealants. The self-repairing sealant is prepared from the following raw materials in parts by weight: 200-600 parts of butyl rubber, 20-70 parts of ethylene propylene diene monomer, 30-100 parts of butadiene rubber, 50-300 parts of polyisobutene rubber, 50-200 parts of carbon black, 0.5-10 parts of sulfur, 5-40 parts of zinc oxide, 10-50 parts of processing oil, 0.5-5 parts of an accelerant DM and 0-5 parts of an accelerant TB710. The self-repairing sealant provided by the invention has good viscosity, high temperature resistance and low temperature resistance, can be used in most scenes, and has proper viscoelasticity.

    本发明公开了密封胶技术领域的一种自修复密封胶及其制备方法,所述自修复密封胶由以下重量份的原材料制成:200~600份丁基橡胶、20~70份三元乙丙橡胶、30~100份丁二烯橡胶、50~300份聚异丁烯橡胶、50~200份炭黑、0.5~10份硫磺、5~40份氧化锌、10~50份加工油、0.5~5份促进剂DM和0~5份促进剂TB710。本发明提供的自修复密封胶具有良好的粘性、耐高温性和耐低温性,可以在绝大部分场景下使用,且具有适宜的粘弹性。


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    Title :

    Self-repairing sealant, preparation method of self-repairing sealant and self-repairing tire


    Additional title:

    一种自修复密封胶、自修复密封胶的制备方法和自修复轮胎


    Contributors:
    SUN ZHIHONG (author) / TANG WEIHUA (author) / HUANG PENGYU (author)

    Publication date :

    2024-09-27


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    C09J ADHESIVES , Klebstoffe / B29B PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED , Vorbereiten oder Vorbehandeln der zu verformenden Masse / B60C VEHICLE TYRES , Fahrzeugreifen



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