氨基聚硅氧烷的合成

Synthesis of Aminopolysiloxane

通过八甲基环四硅氧烷、N β 氨乙基 γ 氨丙基甲基二甲氧基硅烷等原料在氢氧化钾催化和促进剂作用下 ,低温开环共聚得到一系列不同氨值不同粘度的氨基聚硅氧烷。利用IR、1H -NMR对其结构进行表征。对影响反应的因素进行了较详细的研究 。

A series of anminopolysiloxane with different amino value and viscosity were synthesized at lower temperature by ring opening copolymerization of octamethylcyclotetrasiloxane, N β aminoethyl γ aminopropylmethyldimethoxysilane, hexamethyldisiloxane with potasium hydroxide and a promoter as catalyst, The chemical structure was charactterizes via IR, and 1 H-NMR. The important factors were investigated carefully and the best technology of synthysis was obtained.