Corona discharge treatment roll

Details Corona discharge treatment roll Corona discharge treatment roll

1981-09-14

1983-09-06

Desmond, Eugene F.

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

29132, 4251744, B21B 2700

Patent

active

044028881

ABSTRACT:
The present invention relates to improvements in treatment rolls for the corona discharge treatment of polymeric films whereby the same are rendered receptive to printing inks and the like. More particularly, the invention is directed to a treatment roll and method for use as an electrode in a corona discharge device, the roll being comprised of a metal substrate having a porous ceramic coating, the interstices in said coating being filled with silicone polymer, the roll evincing a high resistance to wear and electrical breakdown, whereby higher volumes of material may be processed.

REFERENCES:
patent: 2881470 (1959-04-01), Berthold et al.
patent: 3639639 (1972-02-01), McCard
Rosenthal, L. A., "Corona Discharge Electrode Concepts in Film Surface Treatment", Union Carbide Corp.
R-4-3117 Conformal Coating Brochure, Dow Corning Corp.
UVE-1006 Epoxy Coating, General Electric Co. form IMF-9A (50M).
Loctite AA Weld Sealant & 290 Brochure, Loctite Corp. 1976.

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