Production of low-filler rubber powders by the grinding process
    2.
    发明授权
    Production of low-filler rubber powders by the grinding process 失效
    通过研磨过程生产低填充橡胶粉末

    公开(公告)号:US4157790A

    公开(公告)日:1979-06-12

    申请号:US844261

    申请日:1977-10-21

    摘要: A process for the production of rubber powder having a particle size of from about 200 to 1500 .mu. and a powdering agent content of less than 7% by weight by grinding rubber particles, wherein the rubber is initially mechanically size-reduced into surface-rich and pore-rich particles, the entire quantity of powdering agent is added to the rubber particles, which are then ground at low temperature to prevent the rubber from flowing, non-adsorbed or freshly added powdering agent is adsorbed by the rubber powder in a zone following the grinding machine, and the rubber powder obtained is cooled to such an extent that no warm flow of the rubber occurs.

    摘要翻译: 一种生产橡胶粉末的方法,其中粒径为约200-1500μm,粉末含量小于7%(重量),通过研磨橡胶颗粒,其中橡胶最初机械尺寸减小到富表面, 富含孔的颗粒,将全部量的粉化剂加入到橡胶颗粒中,然后在低温下研磨,以防止橡胶流动,未吸附或新鲜加入的粉末剂被橡胶粉末吸附在以下区域 将研磨机和所得到的橡胶粉末冷却至不发生橡胶热流动的程度。