Patent ID: 6133466
Filing Date: 2000-10-17
Classification: C08G,C09D

Abstract:
A mixture of catenate and cyclic siloxane oligomers of the formula I and II ##STR5## wherein the substituents R consist of 3-methacryloxypropyl or 3-acryloxypropyl groups and methoxy, ethoxy and/or propoxy groups alone or together with C.sub.1 -C.sub.18 alkyl, fluoroalkyl, isoalkyl or cycloalkyl groups and/or C.sub.6 -C.sub.12 aryl groups and where not more than one 3-methacryloxypropyl or 3-acryloxypropyl group is attached to one silicon atom and the degree of oligomerization of compounds of the formula I is within the range 2<m<25 and of compounds of the formula II is within the range 2.ltoreq.n.ltoreq.8 and the quotient of the molar proportion of Si/alkoxy groups is .gtoreq.0.5.