Polymerizable compound and a polymerization process

Details Polymerizable compound and a polymerization process Polymerizable compound and a polymerization process

C - Chemistry, Metallurgy

08

G

C08G 61/08 (2006.01)

Patent

CA 2208483

Disclosed is a compound consisting of (a) dicyclopentadiene either on its own or mixed with a stretched cycloolefin, and (b) a catalytic quantity of at least one carbene-free divalent-cationic ruthenium or osmium compound as a single-component catalyst, said compound containing at least one phosphine group and a total of 2-5 ligands bound to the metal atom, and containing acidic anions for charge balancing. The compounds in question can be heat- polymerised (metathesis polymerisation) and are suitable for use in the production of moulded articles and coatings.

Composition renfermant (a) un dicyclopentadiène, seul ou mélangé avec une cyclo-oléfine tendue et, (b) une proportion catalytique d'au moins un composé de ruthénium ou d'osmium, cationique bivalent, exempt de carbène, formant un catalyseur à un seul composant, contenant au moins un groupe phosphine et, au total, 2 à 5 ligands liés à l'atome métal, et contenant également des anions acides pour équilibrer la charge. Ces compositions sont thermiquement polymérisables (polymérisation par métathèse) et conviennent pour la fabrication de corps moulés et de revêtements.

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