Near atmospheric pressure treatment of polymers using helium dis

Details Near atmospheric pressure treatment of polymers using helium dis Near atmospheric pressure treatment of polymers using helium dis

1996-04-19

1998-06-16

Jenkins, Daniel J.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

427299, C07C 100, B05D 300

Patent

active

057674698

ABSTRACT:
The present invention is a method and apparatus for treating a polyester support such as polyethylene napthalate or polyethylene terephthalate. The treatment is carried out at near atmospheric pressure in a gas of helium and nitrogen or oxygen. The treatment uses anodized aluminum electrodes and an atmospheric glow discharge results when the electrodes are connected to an RF generator and spaced about 2 mm apart. The process and apparatus improve adhesion of subsequently coated emulsions on the polyester support.

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