公开(公告)号：DE59707913D1

公开(公告)日：2002-09-12

申请号：DE59707913

申请日：1997-10-28

Applicant: DEGUSSA

Inventor： BALDUF DR ,  WIELAND DR ,  LORTZ DR ,  POHLISCH DR ,  GOEBEL DR ,  GRETHE HORST

IPC: C07F7/18

Abstract: A continuous process for the production of gamma -aminopropyl- trialkoxysilane and mixtures of primary and secondary aminosilanes comprises: (a) mixing gamma -chloropropyl- trialkoxysilane with ammonia in a desired ratio of reactants; (b) heating the mixture to the reaction temperature; (c) allowing the reaction to proceed in a pressure reactor with a sufficient residence time for complete conversion, during which the reaction mixture may pass through several temperature zones; (d) subsequently cooling the reaction mixture and if necessary adding an organic solvent as extraction agent; (e) separating the product gamma -amino trialkoxysilane or mixtures of primary and secondary aminosilanes from the resulting two-phase mixture, optionally by extraction; and (f) recycling the ammoniacal phase to the reactor either at stage the mixing or reaction stage.