首页> 外国专利> Process for producing non-tacky particles based on an organopolysiloxane composition cross-linked by polyaddition reactions

Process for producing non-tacky particles based on an organopolysiloxane composition cross-linked by polyaddition reactions

机译:基于通过加聚反应交联的有机聚硅氧烷组合物的非粘性颗粒的生产方法

摘要

According to this process the starting silicone oils are emulsified in the presence of silica powder and of a platinum catalyst and the emulsion is then broken and the particles are crosslinked by heating at a temperature of 40-100 DEG C. Nonadhesive particles are thus obtained, with a mean particle size of between 50 mu m and 3 mm, coated uniformly on their surface with grains of silica. …??Application of the process of the invention to the encapsulation or to the dispersion of active principles such as medications or plant-protection products and to the preparation of flexible fillers for synthetic or natural plastics.
机译:根据该方法,在硅石粉和铂催化剂的存在下乳化起始硅油,然后将乳液破碎,并通过在40-100℃的温度下加热使颗粒交联。由此获得非粘性颗粒,平均粒径在50微米至3毫米之间,并在其表面均匀地覆盖有二氧化硅颗粒。 ……将本发明的方法应用于诸如药物或植物保护产品的活性成分的包封或分散,以及用于合成或天然塑料的柔性填料的制备。

著录项

  • 公开/公告号EP0380428A1

    专利类型

  • 公开/公告日1990-08-01

    原文格式PDF

  • 申请/专利权人 RHONE-POULENC CHIMIE;

    申请/专利号EP19900420025

  • 发明设计人 JORDA RAFAEL;DEMONCEAU DANIEL;

    申请日1990-01-16

  • 分类号C08J3/03;C08J3/12;A61K9/16;

  • 国家 EP

  • 入库时间 2022-08-22 06:13:24

相似文献

  • 专利
  • 外文文献
  • 中文文献
获取专利

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号