PROCESS FOR PREPARING TETRAMETHYL-TETRAVINYL-CYCLOTETRASILOXANE

摘要

the present invention relates to a process of preparation of tetramethyl - tetravinil - ciclotetrasiloxanului through hydrolysis with methyl vinyl diclorsilanului volumetric water, report 1: 1.5.2, or hcl solution report 1: 2.5, volumetric, at a temperature of 15.20 degrees centigrade, followed by distillation in the presence of co and depolymerisation, 2% solution 50% koh and rectification column mixture at t° = 110°c / 10 mm hg.prepare tetravinil - tetramethyl - ciclotetrasiloxan with yield of 69,5%.