Atmospheric pressure plasma surface treatment process

Details Atmospheric pressure plasma surface treatment process Atmospheric pressure plasma surface treatment process

B - Operations, Transporting

29

C

B29C 71/04 (2006.01) B29C 59/12 (2006.01) B29C 59/14 (2006.01) D06M 10/02 (2006.01)

Patent

CA 2047147

According to this invention, there is provided an atmospheric pressure plasma surface treatment process comprising the steps of introducing a gas in a plasma reaction apparatus having a pair of dielectric-covered electrodes having opposing surfaces on at least one of which is provided with a solid dielectric; performing plasma excitation under atmospheric pressure; and surface treating an object placed between the opposing electrodes, wherein the gas introduced is a gaseous composition consisting essentially of argon, helium and/or ketone. This process makes it possible to quickly imparting hydrophilic nature to surfaces of an object made of a plastic to be treated. The hydrophilic nature given lasts long.

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