1) hydrosilylation
[,haidrə,sili'leiʃən]
氢硅化反应
1.
Poly(methylhydrosiloxane)was modified with methylmethacrylate by the hydrosilylation reaction,using Pt as the catalyst.
本文采用Pt催化剂,用部分含氢硅油与甲基丙烯酸酯进行氢硅化反应,提高反应温度,大大缩短了反应时间,使甲基丙烯酸酯直接接枝到硅链上,并对接枝产物进行了表征。
2.
High polymer catalyst polyorganosiloxane propyl-sulphur alcohol platinum complex is synthesized , when it is used in the hydrosilylation,the reaction conditions are mild,the total yield is 65%～90%.
合成了一种高分子催化剂聚硅氧烷丙硫醇铂配合物 ,其用于氢硅化反应时 ,反应条件温和 ,反应的总转化率可达65 %～ 90 %。
3.
The results showed that hydrosilylation of MSE proceeded on isothermal process with the reactive degree of approximately 33%;the pretreatmeat time was 173(160℃),93(170℃) and 48(180℃) min when the relative extent of reaction achieved 95% and pretreatmeat time t and temperature T met the r.
结果表明:MSE等温处理过程中发生氢硅化反应,反应程度约为33%;相对反应程度达到95%时,所需时间分别为173(160℃)、93(170℃)和48(180℃)min;预处理时间t与处理温度T之间满足关系t(T)/t(T+10K)=2∶1。
2) Hydrosilylation
[,haidrə,sili'leiʃən]
硅氢化反应
1.
A platinum-based catalyst supported on glass fiber grafted with 1,3,5,7-tetramethyl-1,3,5,7-tetravinyl cyclotetrasiloxane (D4Vi) was prepared and evaluated for the hydrosilylation reaction of styrene and methyldiethoxysilane.
采用苯乙烯与甲基二乙氧基硅烷的硅氢化反应对该催化剂的催化性能进行了表征。
2.
The application of chloroplatinic acid as catalyst to enhance the reaction of hydrosilylation in cross-linking of polycarbosilane/ divinylbenzene (PCS/DVB) was investigated.
5×10-6,低分子量PCS中Si—H含量较高,且分子链支化程度低,易发生硅氢化反应;高分子量PCS中Si—H含量较低,且分子链自身支化程度高,活性基团被包裹于大分子链中,其Si—H键参加反应空间位阻大。
3.
Despite a lot of researchers have paid much attention to this reaction, there have been very few reports on the hydrosilylation of ferrocenylsilanes.
硅氢化反应是有机硅化学中研究得最多、应用较广的一类反应，通过该反应可以合成出许多用其他方法不易制得的有机硅化合物或聚合物。
3) hydrosilation
[,haidrəsi'leiʃən]
硅氢化反应
1.
The side-chain polyether modified silicone was synthesized by hydrosilation of polyhydrosi- loxane and allyl polyether in the presence of hexachloroplatinic acid.
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。
2.
The non-hydrolyzable(Si—C)rigid polyurethane foam stabilizers were synthesized via hydrosilation of allyl-terminated polyethers and polyhydrosiloxanes using chloroplatinic acid as a cata- lyst.
以端烯丙基聚醚及低氢聚硅氧烷两种大分子中间体为原料,以氯铂酸为催化剂,经硅氢化反应制备了非水解型(Si—C)聚氨酯硬泡匀泡剂。
3.
Alkyl siloxane was prepared by hydrosilation of poly(melthylhydrosiloxane) and α olefin, in the presence of platinum catalyst.
文中以α 烯烃化合物和含氢硅油为原料在铂催化剂的作用下 ,用硅氢化反应合成长链烷基硅油。
5) hydrosilylation reaction
硅氢化反应
1.
The polysilanes containing chlorine were synthesized by three ways: ①Through hydrosilylation reaction the propylene chloride was added to polysilanes containing Si-H.
将光敏基团Cl直接键连在聚硅烷大分子上,用3种方法合成了含氯聚硅烷:①用硅氢化反应将氯丙烯加成到聚硅烷上;②用含苯基聚硅烷中的苯环进行氯甲基化反应;③在Wurtz缩合反应完成后直接从反应体系中将端基含氯的聚硅烷分离出来。
补充资料：夺氢反应
分子式：
CAS号：
性质：从有机化合物分子中夺取氢的反应。例如：甲烷氯化中关键的一步：CH4+Cl·→CH3·+HCl就是氯原子(相当于自由基)从甲烷中夺取氢的反应。
CAS号：
性质：从有机化合物分子中夺取氢的反应。例如：甲烷氯化中关键的一步：CH4+Cl·→CH3·+HCl就是氯原子(相当于自由基)从甲烷中夺取氢的反应。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条