Polyvinyl ethers having silicon-containing functional groups...

Details Polyvinyl ethers having silicon-containing functional groups... Polyvinyl ethers having silicon-containing functional groups...

2003-06-10

2008-09-16

Harlan, Robert D. (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C526S279000, C526S332000

Reexamination Certificate

active

07425599

ABSTRACT:
Disclosed is a technology for the production of polyvinyl ethers having a reactive silicon-containing functional or atomic group at the terminal thereof. The polyvinyl ether as expressed by the formula (VII) is prepared by allowing, in the presence of a catalyst composed of a polynuclear ruthenium-carbonyl complex in which carbonyl groups coordinate with two to four ruthenium atoms, a vinylether compound expressed by the formula (III) to react with a silane compound expressed by the formula (IV). In the formulae, R1, R2and R3each represents a hydrogen atom or a hydrocarbon group having 1 to 8 carbon atoms, R4represents an alkyl group, a cycloalkyl group, an aryl group, an aralkyl group, or a silyl group, and X1, X2and X3each represents a hydrogen atom, a halogen atom, an amino group, an alkyl group, an alkoxy group, a thioalkyl group, an alkylamino group, an aryl group, an arylamino group, an aralkyl group a vinyl group, or a heterocyclic group.

REFERENCES:
Crivello et al., J. Polym. Sci. A., 30 31-39 (1992).

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