摘要
以甲苯为溶剂、氯铂酸为催化剂,含氢硅油与烯丙基聚醚经硅氢化反应合成了聚醚改性硅油。通过测定Si—H键的残留量考察了催化剂的用量,原料配比,溶剂用量,反应时间及反应温度对反应转化率和产物色泽的影响,较适宜的反应条件为：n(含氢硅油)：n(烯丙基聚醚)=1：1．2,催化剂用量为20μg/g,反应时间为5 h,温度为120℃,甲苯的用量为反应物质量的30%。
The side-chain polyether modified silicone was synthesized by hydrosilation of polyhydrosiloxane and allyl polyether in the presence of hexachloroplatinic acid. The effects of the concentration of catalyst , the mol ratio of reactants, the content of solvent, the reaction time and temperature on the conversion were investigated. The optimal experimental conditions was obtained as follows： the tool ratio of polyhydrosiloxane to allyl polyether 1.2 ： 1, the weight concentration of Pt 20μg/g, the concentration of solvent 30%, 120 ℃ and 5 h.
出处
《精细石油化工》
CAS
CSCD
北大核心
2006年第2期11-14,共4页
Speciality Petrochemicals
关键词
聚醚改性硅油
硅氢化反应
含氢硅油
氯铂酸
polyether modified silicone
hydrosilation
hydrosilation of polyhydrosiloxane
hexachloroplatinic acid
