Low surface energy material

Details Low surface energy material Low surface energy material

C - Chemistry, Metallurgy

08

G

C08G 81/02 (2006.01) C08G 77/442 (2006.01) C09D 183/10 (2006.01) G03G 15/20 (2006.01)

Patent

CA 2132472

A low surface energy material comprising a volume grafted elastomer which is a substantially uniform integral interpenetrating network of a hybrid composition of a fluoroelastomer and a polyorganosiloxane, said volume graft having been formed by dehydrofluorination of said fluoroelastomer by a nucleophilic dehydrofluorinating agent, followed by a hydrosilation reaction, addition of a hydrogen functionally terminated polyorganosiloxane and a hydrosilation reaction catalyst.

Matière à faible énergie superficielle, renfermant un élastomère de greffe volumique, soit un alliage IPN pratiquement uniforme d'une composition hybride d'un fluoroélastomère et d'un polyorganosiloxane, la greffe volumique étant obtenue par défluorhydratation du fluoroélastomère par un agent de défluorhydratation nucléophile, suivie d'une réaction d'hydrosilation, d'addition d'un polyorganosiloxane terminé par une fonction hydrogène et d'un catalyseur de réaction d'hydrosilation.

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