摘要:
A process for preparing an acryloyloxysilane, the process comprising reacting a metal salt of a carboxylic acid having the formula [CR22═CR1COO−]aMa+ (I), with a haloorganoalkoxysilane having the formula XR3Si(OR4)nR53—n (II) in the presence of mineral spirits and a phase transfer catalyst at a temperature of from 50 to 160° C. to form a mixture comprising an acryloyloxysilane and a metal halide having the formula Ma+X−a (III), wherein R1 is H or C1-C6 hydrocarbyl, each R2 is independently R1 or [COO−]aMa+, Ma+ is an alkali metal cation or alkaline earth metal cation, a is 1 or 2, X is halo, R3 is C1-C6 hydrocarbylene, each R4 is independently C1-C10 Q hydrocarbyl, each R5 is independently R1 and n is an integer from 1 to 3.
摘要翻译:一种制备丙烯酰氧基硅烷的方法,该方法包括使具有式[CR22 = CR1COO-] aMa +(I)的羧酸的金属盐与式XR3Si(OR4)nR53-n(II)的卤代有机烷氧基硅烷在 在50至160℃的温度下存在矿物油精和相转移催化剂以形成包含丙烯酰氧基硅烷和具有式Ma + Xa(III)的金属卤化物的混合物,其中R 1为H或C 1 -C 6烃基 ,每个R 2独立地是R 1或[COO-] a M a +,Ma +是碱金属阳离子或碱土金属阳离子,a是1或2,X是卤素,R 3是C 1 -C 6亚烃基,每个R 4独立地是C 1 -C 10 Q 烃基,每个R 5独立地为R 1,n为1至3的整数。
摘要:
A method for preparing a bis(alkoxysilylorgano)dicarboxylate includes reacting a haloorganoalkoxysilane, a dimetal salt of a dicarboxyl functional compound, and a phase transfer catalyst. A quaternary iminium compound of a polyaza, polycycloalkene is useful as the phase transfer catalyst. The product may be a bis(alkoxysilylalkyl)fumarate, which is useful as a coupling agent in rubber compositions for tire applications.
摘要:
A method of producing silicon containing thin films by the thermal polymerization of a reactive gas mixture bisaminosilacyclobutane and source gas selected from a nitrogen providing gas, an oxygen providing gas and mixtures thereof. The films deposited may be silicon nitride, silicon carbonitride, silicon dioxide or carbon doped silicon dioxide. These films are useful as dielectrics, passivation coatings, barrier coatings, spacers, liners and/or stressors in semiconductor devices.
摘要:
A composition comprising at lest 93% (w/w) neopentasilane; and a method of preparing neopentasilane, the method comprising treating a tetrakis-(trihalosilyl)silane with diisobutylaluminum hydride.