Powder coatable epoxy/polyester composition and electrical condu

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523454, 524359, B32B 1500

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active

045686068

ABSTRACT:
Electrical conductors can be coated with a cured, thermosetting powder coating which, in its uncured state comprises a saturated, carboxyl group-containing polyester resin, an epoxy resin, an acrylic resin and, optionally, a cure catalyst, benzoin and/or a polyamide resin to provide insulative coatings with reduced air entrapment and improved dielectric strength.

REFERENCES:
patent: 3027279 (1962-03-01), Kurka et al.
patent: 4074006 (1978-02-01), Boldebuck
patent: 4317858 (1982-03-01), Sattler
patent: 4346144 (1982-08-01), Craven
patent: 4414279 (1983-11-01), Bernelin
patent: 4499239 (1985-02-01), Murakami et al.
Lee, H. and Neville, K. Handbook of Epoxy Resin, McGraw Hill, Inc., 1967, pp. 17-28 through 17-33 and 24-33.
Lupinski, J. H. and Gorowitz, B., Power Coating of Magnet Wire, General Electric Report 79 CRD 166, Jul. 1977, Presentation at Electrical/Electronics Insulation Conference, Oct. 9-11, 1979, Boston, MA.
Gorowitz, B., Powder Coating for Magnet Wire Insulation, Powder Coatings, Sep. 1981, pp. 1-4.

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