Corona treatment of polymers

Details Corona treatment of polymers Corona treatment of polymers

C - Chemistry, Metallurgy

08

J

C08J 7/12 (2006.01) B01J 19/08 (2006.01) C08J 7/00 (2006.01)

Patent

CA 2302546

A process for corona treating a polymer is described. The process involves exposing at least one surface of an article comprising a polymeric material selected from the group consisting of fluoropolymers, polycarbonates, and polyimides to a corona discharge in an atmosphere containing nitrogen and about 0.01 to about 10 percent of an additional gas selected from the group consisting of hydrogen, ammonia and mixtures thereof.

Cette invention se rapporte à un procédé qui sert à traiter un polymère par décharge corona et qui consiste à exposer au moins une surface d'un article contenant un matériau polymère choisi dans le groupe des fluoropolymères, des polycarbonates et des polyimides à une décharge corona dans un milieu contenant de l'azote et environ 0,01 à environ 10 % d'un gaz additionnel choisi dans le groupe constitué par l'hydrogène, l'ammoniac et des mélanges de ceux-ci.

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