(1) Methoxy end-blocked dimethylpolysiloxanes have been prepared by the reaction of sodium bicarbonate with partially methanolyzed dimethyldichlorosilane.(2) Distribution of the lower polymers was determined in regard to the composition of the partially methanolyzed dimethyldichloro-silane.(3) Methoxy end-blocked dimethylpolysiloxanes from monomer (dimethyldimethoxysilane) to hexamer have been characterized.
(1) 通过
碳酸氢钠与部分
甲醇化二甲基二
氯硅烷的反应制备了甲氧基端基封端二甲基聚
硅氧烷;(2) 根据部分
甲醇化二甲基二
氯硅烷的成分确定了低聚合物的分布;(3) 表征了从单体(二甲基二甲氧基
硅烷)到六聚体的甲氧基端基封端二甲基聚
硅氧烷。