[EN] PROCESSES FOR MAKING POLYSILOXAZANES AND USING SAME FOR PRODUCING AMINO-FUNCTIONAL POLYORGANOSILOXANES<br/>[FR] PROCÉDÉS DE FABRICATION DE POLYSILOXAZANES ET LEUR UTILISATION POUR LA PRODUCTION DE POLYORGANOSILOXANES À FONCTION AMINO
申请人:DOW SILICONES CORP
公开号:WO2021108068A1
公开(公告)日:2021-06-03
A process for preparing a cyclic polysiloxazane is disclosed. The cyclic polysiloxazane may optionally be converted to an a-alkoxy-ou-amino-functional polysiloxane. The cyclic polysiloxazane or the a-alkoxy-oo-amino-functional polysiloxane, may be used as a capping agent for a silanol-functional polyorganosiloxane in a process to make an amino-functional polyorganosiloxane.
揭示了一种制备环状聚硅氧氮烷的方法。该环状聚硅氧氮烷可以选择性地转化为α-烷氧基-ω-氨基功能聚硅氧烷。该环状聚硅氧氮烷或α-烷氧基-ω-氨基功能聚硅氧烷可以用作硅醇功能聚有机硅氧烷的封端剂,用于制备氨基功能聚有机硅氧烷的过程中。