申请人:Dynamit Nobel Aktiengesellschaft
公开号:US03946059A1
公开(公告)日:1976-03-23
A process for preparing an alkylalkoxysilane containing polysulfide bridges which silane has the formula: (RO).sub.3.sub.-m R.sub.m Si--Z--S.sub.2.sub.+x --Z--SiR.sub.m (OR).sub.3.sub.-m, wherein R represents identical or different linear or branched alkyl radicals having 1 to 6 carbon atoms or phenyl, Z represents linear or branched alkylene radicals having 1 to 8 carbon atoms, m is 0 to 3 and x is 1 to 4, which comprises contacting a bis-alkyl-alkoxysilyldisulfide of the formula: (RO).sub.3.sub.-m R.sub.m Si--Z--S--S--Z--SiR.sub.m (OR).sub.3.sub.-m wherein R, Z and m have the previously assigned significance, with sulfur at a temperature between 100.degree. and 200.degree.C.
一种制备含多硫桥联的烷基烷氧基硅烷的方法,该硅烷的化学式为:(RO).sub.3.sub.-m R.sub.m Si--Z--S.sub.2.sub.+x --Z--SiR.sub.m (OR).sub.3.sub.-m,其中R表示具有1至6个碳原子的相同或不同的线性或支链烷基或苯基,Z表示具有1至8个碳原子的线性或支链烷基,m为0至3,x为1至4,包括在100℃至200℃的温度下将具有以下式的双烷基烷氧基硅二硫化物与硫接触:(RO).sub.3.sub.-m R.sub.m Si--Z--S--S--Z--SiR.sub.m (OR).sub.3.sub.-m,其中R、Z和m具有上述指定意义。