Electrostatic spray-coated polycrystalline resin article

Details Electrostatic spray-coated polycrystalline resin article Electrostatic spray-coated polycrystalline resin article

1992-02-21

1993-04-27

Ryan, Patrick J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428323, 428409, 428480, B32B 900

Patent

active

052060730

ABSTRACT:
A molded article of a crystalline thermoplastic resin is electrostatically coated by preparing the molded article from a composition comprising 100 parts by weight of the crystalline thermoplastic resin and 2 to 100 parts by weight of one or more electrically conductive fillers. The surface of the molded article is roughened so as to expose the electrically conductive filler on the article's surface and thereby enhance the article's electrical conductivity. Surface roughening of the article may be accomplished through (1) chemical techniques and/or (2) physical techniques. The thus surface roughened article may then be electrostatically spray coated.

REFERENCES:
patent: 4269892 (1981-05-01), Shattuck
patent: 4678701 (1987-07-01), Pennington
patent: 4849287 (1989-07-01), Hoh

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