Addition polymers of polycycloolefins containing functional...

C - Chemistry – Metallurgy – 08 – F

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C08F 32/04 (2006.01) C08F 4/80 (2006.01) C08F 32/00 (2006.01) C08F 32/08 (2006.01)

Patent

CA 2221833

Addition polymers containing functionally substituted polycyclic repeat units are prepared in the presence of a single or multicomponent catalyst system containing a palladium metal ion source. The catalysts are not poisoned by functional substituents and show good catalytic activity for polymerizing both endo and exo isomers of the substituted monomers. Optionally, the polymers are terminated with olefinic end groups.

On prépare des polymères d'addition contenant des unités répétitives polycycliques substituées fonctionnellement en présence d'un système catalyseur à un seul ou à plusieurs constituants comportant une source d'ions métalliques de palladium. Les catalyseurs ne sont pas empoisonnés par les substituants fonctionnels et présentent une bonne activité catalytique pour la polymérisation des isomères endo et exo des monomères substitués. Lesdits polymères sont éventuellement terminés par des groupes terminaux oléfiniques.

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