Method of producing reactive silicon group-containing...

Details Method of producing reactive silicon group-containing... Method of producing reactive silicon group-containing...

C - Chemistry, Metallurgy

08

F

C08F 116/14 (2006.01) C08G 65/336 (2006.01)

Patent

CA 2293172

The invention provides a method of producing a reactive silicon group-containing polyether oligomer which comprises reacting (a) a polyether oligomer having main chain of a polyether and, in each molecule, at least one unsaturated group represented by the general formula (1): H2C=C(R1)-R2-O- (1) (in the formula, R1 is a hydrocarbon group containing not more than 10 carbon atoms and R2 is a divalent organic group containing 1 to 20 carbon atoms and one or more species selected from the group consisting of hydrogen, oxygen and nitrogen atoms as a constituent atom) or the general formula (2): HC(R1)=CH-R2-O- (2) on a side chain or at a terminus with (b) a reactive silicon group-containing compound in the presence of (c) a group VIII transition metal catalyst to introduce the reactive silicon group into said polyether oligomer (a), wherein the reaction is carried out in the presence of (d) a sulfur compound.

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