白炭黑在消泡剂中的应用
首发时间:2010-07-02
摘要:有机硅消泡剂以其优异的性能广泛应用于纺织、造纸、化工、医药等行业。消泡剂以二甲基硅油和白炭黑组成的硅膏为主体成分,添加乳化剂后制得高稳定性的有机硅消泡剂。白炭黑由于其特殊的三维网状结构,使其具有强吸附率而导致被消泡物质破泡,是高效消泡剂中最重要的一种添加剂。在消泡剂中白炭黑用量的多少对消泡剂性能的影响很大,含量太低消泡效果差,太高不易乳化,在试验室中测得有机硅消泡剂量乳液中的白炭黑的含量为 8%左右为最适宜的消泡剂含量。
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Application of fumed silica in the organic defoamer
Abstract:The organic silicone defoamer is widely used in textile, papermaking, chemical, pharmaceutical production due to its superior performance. In this paper, organic silicon defoamer is prepared by using dimethyl silieone and silicon dioxide as the main material. In defoaming agent of silica, the dosage of silica has a great effected on the defoamer performance,because of its special 3d mesh structure, which caused by strong absorption material broken bubble defoaming.In organic silico,the dosage of silica has great effect on the organic silico`s defoamer performance. The low has a poor ability on defoamer, the high has effect the emulsification. In laboratory studies, the defoaming agent has better ability when the silica content at 8%wt.
Keywords: organic silico defoaming agent deform
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No.4377468511850127****
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