Patent ID: 6946537

Claim:
A process for the production of siloxane oligomers of the general formulae I or II in which x is an integer from 0 to 1000, y is a number from 1 to 1000, and the substituents R are identical or different and consist of functionalized alkyl groups, (C 1 -C 18 )alkyl, (C 1 -C 4 )alkoxy, (C 1 -C 4 )haloalkoxy, phenyl, aryl, aralkyl or hydroxy groups, wherein at least one functionalized alkyl group is present per oligomer molecule, the method comprising: treating a halogenalkyltrihalogensilane to oligomerization in the presence of alcohol and water and co-oligomerized with at least one of a (C 1 -C 18 )-alkyl-, phenyl, aryl- or aralkyl-trihalogensilane and silicon tetrachloride, and modifying the halogenalkyl function with ammonia and separating ammonium halide.