Patent ID: 8455603
Filing Date: 2013-06-04
Classification: C08G,D06M

Abstract:
1. A process for the preparation of amine-amide-functional siloxanes, comprising: reacting SiOH-functional siloxanes of the general formula I with amino-functional silanes of the general formula II in the presence of carboxylic acid anhydrides and optionally in the presence of alcohols, amines, and/or alkanolamines at temperatures of 40-180° C.; wherein the formula I is represented by: wherein the formula II is represented by: wherein one or more trialkylalkoxysilanes of the formula VI or bis(trialkylsilyl)amines of the general formula VII are reacted as further reaction component in the presence of carboxylic acid anhydrides at temperatures of 40-180° C.; wherein the formula VI is represented by: and wherein the formula VII is represented by: