Method of chemically etching an article of thermoplastic resin a

Details Method of chemically etching an article of thermoplastic resin a Method of chemically etching an article of thermoplastic resin a

1989-09-15

1992-08-04

Beck, Shrive

Coating processes

Measuring, testing, or indicating

Thickness or uniformity of thickness determined

427 25, 427 27, 427 30, 427302, 427307, B05D 106

Patent

active

051357739

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.

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Database WPI, No. 84-129455, Derwent Publications Ltd., London, GB; & JP-A-58 176 224 (Showa Denko).

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