Patent ID: 7053166

Claim:
A process for preparing alkoxy-modified polyorganosiloxanes which comprises reacting A) at least one polyorganosiloxane of the formula wherein R is one or more identical or different radicals selected from linear or branched, saturated, mono- or polyunsaturated alkyl, aryl, alkylaryl and arylalkyl radicals, each of which may be optionally substituted by haloalkyl groups, siloxy groups or triorganosiloxy groups, R′ and R″ are each independently H or R, x is an integer from 0 to 300, y independently thereof, is an integer from 0 to 80; wherein said polyorganosiloxane has at least one —Si(H) unit with B) at least one alcohol selected from the group consisting of a saturated aliphatic alcohol, a saturated aromatic alcohol, a polyuaturated aliphatic alcohol, saturated aromatic polyalcohol, a saturated aliphatic polyalcohol, a monounsaturated aromatic alcohol, a monounsaturated aliphatic alcohol, a polyunsaturated aromatic alcohol, a polyunsaturated aliphatic alcohol, a monounsaturated aromatic polyalcohol, a monounsaturated aliphatic polyalcohol, a polyunsaturated aromatic polyalcohol, a polyunsaturated aliphatic polyalcohol, a polyether monoalcohol, a polyether polyalcohol, an aminoalcohol, and a mixture of said alcohols, in the presence of a catalyst which consists of a mixture of at least one acid and at least one salt of an acid and, optionally a solvent.