Thermal metathesis polymerization process and a...

Details Thermal metathesis polymerization process and a... Thermal metathesis polymerization process and a...

C - Chemistry, Metallurgy

08

G

C08G 61/00 (2006.01) C09D 165/00 (2006.01)

Patent

CA 2205117

Disclosed is a composition comprising (a) at least one tight cycloolefin and (b) a catalytic quantity of at least one divalent-cationic compound of ruthenium or osmium with a metal atom, to which are bound 1-3 tertiary phosphine ligands with (in the case of ruthenium compounds) sterically exacting substituents, optionally non-photolabile neutral ligands and anions for charge balancing. The following condition must be observed: in ruthenium (tris-phenyl phosphine) dihalides or hydride-halides, the phenyl groups are substituted by C1-C18-alkyl, C1-C18- alkyl halide or C1-C18 alkoxy. The composition is suitable for the production of moulded parts of all kinds and of coatings.

L'invention concerne une composition comprenant a) au moins une cyclo-oléfine tendue et b) une quantité catalytique d'au moins un composé cationique bivalent de ruthénium ou d'osmium avec un atome de métal, sur lequel sont fixés 1 à 3 ligands de phosphine tertiaires avec, dans le cas des composés de ruthénium, des substituants à exigences stériques élevées, éventuellement des ligands neutres non photolabiles et des anions pour l'équilibrage des charges, à condition que dans les dihalogénures ou les halogénures d'hydrure de ruthénium (trisphénylphosphine), les groupes phényle soient substitués avec alkyle C¿1?-C¿18?, halogénure d'alcoyle C¿1?-C¿18? ou alcoxy C¿1?-C¿18?. Cette composition convient pour la fabrication de pièces moulées de toute sorte et de revêtements.

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