Preparation method of medium/high-viscosity alpha,omega-dihydroxypolydimethylsiloxane本发明涉及一种中高粘度α,ω-二羟基聚二甲基硅氧烷的制备方法. The present invention relates to a high viscosity of the α, ω- dihydroxy preparation polydimethyl siloxane. 该方法是在-0.1MPa～-0.05MPa减压条件下加热低...
己二酸与2-乙基-2-(羟甲基)-1,3-丙二醇、α-氢基-ω-羟基聚(氧基-1,2-乙二基)和2'-氧基双[乙醇]的聚合物3) Poly[oxy(methyl-1,2-ethanediyl)], .alpha.,.alpha.',.alpha.''-1,2,3-propanetriyltris[.omega.-hydroxy-, (Z)-2-butenedioate α,α',α''-1,2,3-丙三基三[ω-羟基]...
中文名称:N-(3-氨基丙基)-1,3-丙二胺与氯甲基环氧乙烷;α-氢-ω-羟基聚(氧-1,2-亚乙基)的聚合物和月桂胺的反应产物英文名称:1,3-Propanediamine, N-(3-aminopropyl)-, polymer with (chloromethyl)oxirane and .alpha.-hydro-.omega.-hydroxypoly(oxy-1,2-ethanediyl), reaction products with lauryl...
Catalytic synthesis of alpha-omega-dialkyl polydimethylsiloxane一种在常压下,采用氢氧化钾作催化剂,用水汽法合成α,ω-二羟基聚二甲基硅氧烷的连续化工艺,该方法操作简单,稳定,易于控制,条件温和,技术指标突出,对反应器要求不苛刻,连续性较好,安全性较高. An under normal pressure, the use of potassium ...
N-(3-氨丙基)-1,3-丙二胺与氯甲基环氧乙烷和α-氢-&omega3) 1,3-Propanediamine,N-(3-aminopropyl)-,polymer with(chloromethyl)oxirane and .alpha.-hydro-.omega.-hydroxypoly(oxy-1,2-ethanediyl),reaction N-(3-氨基丙基)-1,3-丙二胺与氯甲基环氧乙烷4...
本发明为α.ω-双-二甲基羟基硅氧基聚二甲基硅氧烷的制备方法,以八甲基环四硅氧烷(D The present invention is α.ω- bis - dimethyl hydroxy siloxy poly dimethyl siloxane prepared to octamethyl cyclotetrasiloxane (D陈伟方杨才平