Vibration damping constructions using thermally polymerized...

Details Vibration damping constructions using thermally polymerized... Vibration damping constructions using thermally polymerized...

C - Chemistry, Metallurgy

08

F

C08F 220/32 (2006.01) C08F 283/10 (2006.01) C08G 59/00 (2006.01) C08G 59/68 (2006.01) C09D 4/00 (2006.01)

Patent

CA 2163000

A vibration damping material and articles are fabricated using a curable composition comprising a mixture of at least one free radically polymerizable monomer, at least one epoxy functional monomer, at least one free radical polymerization initiator, a thermal initiated cationic catalyst system comprising a salt of an organometallic cation, optionally, at least one stabilizing additive, and optionally, at least one alcohol-containing material, wherein when cured the curable composition provides a vibration damping material with an interpenetrating network comprising a semi-phase separated morphology.

Matériau amortissant les vibrations et articles fabriqués à l'aide d'une composition durcissable renfermant un mélange constitué d'au moins un monomère polymérisable par les radicaux libres, d'au moins un monomère à fonctionnalité époxy, d'au moins un intiateur de polymérisation des radicaux libres, d'un système de catalyseur cationique amorcé thermiquement comprenant un sel d'un cation organo-métallique, facultativement d'au moins un additif stabilisant et facultativement d'au moins une matière contenant de l'alcool. Lorsque la composition durcissable est durcie, on obtient un matériau amortissant les vibrations comportant un réseau à interpénétration qui présente une morphologie à séparation semi-phasique.

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