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γ-缩水甘油醚氧丙基三甲氧基硅烷的合成 被引量:6

Synthesis of γ-Glycidyloxypropyltrimethoxysilane
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摘要 将6种配体配位的Pt络合物催化剂用于烯丙基缩水甘油醚(AGE)与三甲氧基硅烷(TMOS)的硅氢加成反应,合成了γ-缩水甘油醚氧丙基三甲氧基硅烷(KH-560),其中Pt-N(C2H5)3络合物催化剂具有很高的活性。经气相色谱-质谱分析确定了反应过程中主、副产物的结构。以Pt-N(C2H5)3络合物为催化剂,考察了n(N(C2H5)3):n(Pt)、反应温度、催化剂用量、反应时间及原料配比对该硅氢加成反应的影响,优化了反应过程,使反应能够在较低温度下、较短时间内进行,同时提高了KH-560的收率,改善了产品质量。在优化的合成工艺条件下,即n(AGE):n(TMOS)=1:1.05~1:1.10(其中AGE用量为0.064mol)、Pt-N(C2H5)3络合物(n(N(C2H5)3):n(Pt)=1)催化剂用量4.3×10-7mol、反应温度55~75℃、反应时间20~40min的条件下,KH-560的收率可达86%以上。 γ-Glycidoxypropyltrimethoxysilane (KH-560) was synthesized by catalytic hydrosilylation of allyl glycidyl ether (AGE) and trimethoxysilane (TMOS) with Pt complex catalysts with different ligands. The catalyst of Pt-N( C2H5 )3 complex possesses outstanding activity and short induction period in hydrosylilation. The formation of the β-isomer byproduct β-glycidoxypropyltrimethoxysilane was inhibited and yield to KH-560 increased. The structures of hydrosilylation products were analyzed by means of GC-MS. Effects of n ( N ( C2 H5 ) 3 ) : n ( Pt), catalyst dosage, reaction temperature, reaction time and n(AGE) : n(TMOS) on hydrosilylation were investigated. The hydrosilylation can be carried out at low temperature in short reaction time. Under the optimal reaction conditions: n (AGE) : n(TMOS) 1 : 1.05 - 1 : 1. 10 (while AGE dosage 0. 064 mol), Pt-N(C2H5)3 (n(N(C2H5)3) : n (Pt) 1 ) catalyst dosage 4.3 × 10^-7 mol, reaction temperature 55 -75 ℃ and reaction time 20 -40 min, conversion of AGE is about 100% and yield to KH-560 is more than 86%.
出处 《石油化工》 EI CAS CSCD 北大核心 2008年第6期559-562,共4页 Petrochemical Technology
关键词 铂络合物 γ-缩水甘油醚氧丙基三甲氧基硅烷 烯丙基缩水甘油醚 三甲氧基硅烷 硅氢加成 platinum complex γ-glycidoxypropyltrimethoxysilane allyl glycidyl ether trimethoxy- silane hydrosilylation
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