Organo:polysiloxane(s) with prim. and sec. amino gp. at one chain end - obtd. by reacting amino:alkyl-substd. cyclic silazane(s) with alpha-hydroxy:organo-(poly)siloxane(s)

摘要: Organo(poly)siloxanes are of formula (I), or corresp. acid addn. salts thereof. In the formulae R, R1 = opt. substd 1-13C hydrocarbyl; X linear, methyl-substd. propylene residue; Y 2-4C alkylene; n at least 2. Prodn. (I) is, by reacting cyclic silazanes (II) with alpha-hydroxy-organo(poly)siloxanes (III), followed salt formation (in)organic alkyl halide. USE/ADVANTAGE - useful as modifiers for improving surface properties various resins; conventional silanes contg. only one amino gp. both ends, much more effective in (e.g. sliding properties). Due to their pronounced polarity, also interfacially active agents, emulsifiers and auxiliary emulsifiers, esp. form.