端基聚醚-b-聚硅氧烷在现代涂料中的作用机理探讨  

The Study of Terminated Polyether-b-polysiloxane's Effect and Mechanism in the Modern Coatings

作　　者：郑小珊[1] 余龙飞[1] 王志鹏 李欢玲[1] 李莉[1] 

机构地区：[1]广东省石油化工研究院 广东省化学工业公共实验室,广东广州510665 [2]广州市枫源化工有限公司,广东广州511365

出　　处：《广东化工》2013年第23期1-2,13,共3页Guangdong Chemical Industry

摘　　要：以双端含氢聚硅氧烷和烯丙基聚醚为原料、以氯铂酸为催化剂,在无溶剂条件下合成端基聚醚-b-聚硅氧烷。探讨了端基聚醚-b-聚硅氧烷系列在现代涂料体系中的流平性能、体系相容性、存储稳定性、pH值适用范围、热稳定性以及迁移性能。研究表明:端基聚醚-b-聚硅氧烷相对较小的分子质量以及在湿膜中较强的迁移能力,有着比普通聚醚改性聚硅氧烷更为优越的体系相容性和流平性能。并简单探讨了端基聚醚-b-聚硅氧烷在现代涂料体系中用做有机硅流平剂的作用机理。Used the double-ended hydrogen polysiloxane and allyl polyether as raw materials, chloroplatinic acid as catalyst to synthesize terminated polyether-b-polysiloxane under the absence of a solvent. Discussed the leveling propellies, system compatibility, storage stability, pH suitable range, heat stability and migration properties of the terminated polyether-b-polysiloxane series in modem coating systems. Studies have shown us that the terminated polyether-b-polysiloxane have a more superior system compatibility and better leveling property than the normal polyether-modified polysiloxane, which has a relatively small molecular weight and in the wet film strong migration. Simply discusse the mechanism of terminated polyether-b-polysiloxane which is used as a silicone leveling agent in modem coating systems.

关 键 词：端基聚醚-b-聚硅氧烷 双端含氢聚硅氧烷 有机硅流平剂 涂料 接触角 

分 类 号：TQ[化学工程]