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    • 8. 发明授权
    • Silicone (meth)acrylate particles, process for preparation thereof and use thereof
    • 有机硅(甲基)丙烯酸酯颗粒,其制备方法和用途
    • US08653214B2
    • 2014-02-18
    • US12327175
    • 2008-12-03
    • Joachim VenzmerJürgen MeyerMatthias Naumann
    • Joachim VenzmerJürgen MeyerMatthias Naumann
    • C08F30/08
    • C08F283/12A61K8/0241A61K8/062A61K8/895A61K2800/10A61Q1/02A61Q17/04A61Q19/00C08F2/22C08G77/20C08K3/36C08K5/14C08L51/085C08L2666/02C09D151/085C09J151/085Y10T428/2993C08L83/06
    • The present invention relates to silicone (meth)acrylate particles, to a process for preparing such silicone (meth)acrylate particles including the steps of: a) obtaining an emulsion composed of water and an organic phase comprising organopolysiloxanes modified terminally and/or laterally with acrylate groups, and b) polymerizing the inner phase to completion by means of a free-radical initiator, the free-radical initiator being added to the outer phase (aqueous phase) in a concentration of 0.1 to 40% by weight based on the inner phase, and to the use of the particles alone or in a mixture with further particles, pigments and/or further customary additives in the form of powders or dispersions in coating, adhesive or sealant materials, in polymers, in defoamers, in wetting and levelling aids, in cosmetic or pharmaceutical formulations and care products, in cleaning and detergent compositions, or in applications for modifying the interface properties of solid and liquid substrates, for example tactile properties, hydrophobization, or sliding and/or release properties.
    • 本发明涉及有机硅(甲基)丙烯酸酯颗粒,涉及一种制备这种硅氧烷(甲基)丙烯酸酯颗粒的方法,包括以下步骤:a)获得由水和有机相组成的乳液,所述有机相包含有机聚硅氧烷,末端和/ 丙烯酸酯基,和b)通过自由基引发剂使内相聚合至完成,自由基引发剂以0.1至40重量%的浓度加入到外相(水相)中,基于内部 以及在涂料,粘合剂或密封剂材料,聚合物,消泡剂,润湿和流平剂中单独或与其它颗粒,颜料和/或粉末或分散体形式的其它常规添加剂的单独或与混合物的使用 辅助剂,化妆品或药物制剂和护理产品,在清洁和洗涤剂组合物中,或用于改变固体和液体底物的界面性质的用途,用于 示例性触觉特性,疏水化,或滑动和/或释放性质。