High internal phase emulsions and porous materials prepared...

Details High internal phase emulsions and porous materials prepared... High internal phase emulsions and porous materials prepared...

C - Chemistry, Metallurgy

08

F

C08F 2/32 (2006.01) B32B 5/18 (2006.01) C08F 2/44 (2006.01) C08J 9/28 (2006.01)

Patent

CA 2296347

A high internal phase emulsion having an emulsion stabilizing surfactant, one or more insoluble fillers, at least 70 volume percent of a discontinous internal phase; and less than 30 volume percent of a continuous external phase containing one or more vinyl polymerizable monomer(s). Polymerizing the water- in-oil high internal phase emulsion produces an open-cell porous polymeric material having insoluble fillers incorporated into its polymeric backbone.

Cette invention se rapporte à une émulsion à forte phase interne contenant un tensioactif de stabilisation d'émulsion, une ou plusieurs charges insolubles, au moins 70 % en volume d'une phase interne discontinue, et moins de 30 % en volume d'une phase externe continue renfermant un ou plusieurs monomères polymérisables vinyliques. En polymérisant l'émulsion à forte phase interne d'eau dans huile, on produit une matière polymère poreuse à alvéoles ouvertes comportant des charges insolubles incorporées dans son squelette polymère.

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