PROCESS FOR THE POLYMERIZATION OF CYCLIC OLEFINS AND A POLYMERIZABLE COMPOSITION

Process for the polymerization of cyclic olefins by photochemical ring-opening metathesis polymerization by irradiation, using catalytic amounts of a heat-stable ruthenium or osmium catalyst which has at least one photolabile ligand, the other coordination sites being occupied by non-photolabile lig...

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Hauptverfasser:	MUEHLEBACH, ANDREAS, HAFNER, ANDREAS, KARLEN, THOMAS, BERNHARD, PAUL, LUDI, MARTIN, ANDREAS
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Zusammenfassung:	Process for the polymerization of cyclic olefins by photochemical ring-opening metathesis polymerization by irradiation, using catalytic amounts of a heat-stable ruthenium or osmium catalyst which has at least one photolabile ligand, the other coordination sites being occupied by non-photolabile ligands. Procédé de polymérisation d'oléfines cycliques au moyen de la polymérisation photochimique à métathèse et à ouverture de cycle, effectuée par irradiation, consistant à utiliser des quantités catalytiques d'un catalyseur à base de ruthénium ou d'osmium à stabilité thermique comprenant au moins un ligand photolabile, les autres sites de coordination étant occupés par des ligands non photolabiles.