Silicone polyether surfactant was synthesized by the addition reaction of low hydrogen content silicone and allyl polyether with Pt catalyst and under no solvent condition.
通过采用铂催化剂催化低含氢硅油与烯丙基聚醚的硅氢加成反应合成了有机硅聚醚表面活性剂。
The manufacturing process and the reaction mechanism of polyether polyol are resumed.
概述了聚醚多元醇的生产过程及反应机理。
The method is very necessary for confirming the reaction extent and controlling product quality and adjusting polyether silicon oil characters.
该法是确定合成聚醚硅油产品的反应程度和控制产品质量的一种必要手段，同时为调整聚醚硅油的性能提供了依据；
Lastly, of course, the main reaction of interest is the formation of urethane groups by reaction of isocyanate groups and hydroxy - groups of the polyester or polyether.
最后，当然，利息的主要反应是异氰酸酯基和羟基的聚酯或聚醚组反应形成聚氨酯组。
The method of blocking unsaturated polyether has been described. The effects of amounts of blocking agent, temperature and time on the blocking reaction were studied.
简要介绍了不饱和端羟基聚醚的封端方法。讨论了封端剂用量、反应温度和时间等因素对封端反应的影响问题。
The present invention is used in the synthesis of capped polyether to raise the reaction selectivity and polyether capping rate effectively.
本发明用于封端聚醚的合成，能有效提高反应选择性和聚醚封端率。
The terminal allylation reaction was studied which was influenced by reaction time, reaction temperature, category and dosage of allylation reagent and molecular weight of polyether.
其次对双羟基聚醚的端烯丙基化反应进行研究，讨论了反应时间、反应温度、聚醚分子量、烯丙基化试剂的种类和用量对反应的影响。
The polyether modified silicone oil and the synthetic process thereof do not adopt solvents including toluene and has milder reaction condition and simple reaction process.
本发明不采用包括甲苯在内的溶剂，并且反应条件更加温和，反应过程简单。
The polyether modified silicone oil and the synthetic process thereof do not adopt solvents including toluene and has milder reaction condition and simple reaction process.
本发明不采用包括甲苯在内的溶剂，并且反应条件更加温和，反应过程简单。
应用推荐