METHOD OF FORMATION OF A ROBUST NETWORK OF FOAM THROUGH DIELS-ALDER REACTION

Organosilicon polymer foams are synthesized using a Carboni-Lindsey reaction of a tetrazine with a siloxane polymer having at least one of alkenyl or alkynyl functional groups. Optionally, the reaction may also comprise a second polymer having at least one of alkenyl or alkynyl functional groups. Th...

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Bibliographische Detailangaben
Hauptverfasser:	BAGGE, Robb, E, LOY, Douglas, A
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ADHESIVES AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON CORRECTING FLUIDS DYES FILLING PASTES GENERAL PROCESSES OF COMPOUNDING INKS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS THEREFOR WOODSTAINS WORKING-UP
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Beschreibung
Zusammenfassung:	Organosilicon polymer foams are synthesized using a Carboni-Lindsey reaction of a tetrazine with a siloxane polymer having at least one of alkenyl or alkynyl functional groups. Optionally, the reaction may also comprise a second polymer having at least one of alkenyl or alkynyl functional groups. The organosilicon polymer foams may be crossiinked thermoset foams. The foams may be flexible or rubbery. La présente invention concerne des mousses polymères d'organosilicium synthétisées à l'aide d'une réaction de Carboni-Lindsey d'une tétrazine avec un polymère siloxane comportant au moins l'un des groupes fonctionnels alcényle ou alcynyle. Éventuellement, la réaction peut également comprendre un second polymère comportant au moins l'un des groupes fonctionnels alcényle ou alcynyle. Les mousses polymères d'organosilicium peuvent être des mousses thermodurcies réticulées. Les mousses peuvent être souples ou caoutchouteuses.