Thermosetting powder coating compositions based on polyepoxides

Details Thermosetting powder coating compositions based on polyepoxides Thermosetting powder coating compositions based on polyepoxides

1992-03-27

1993-09-28

Niebling, John

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

2041816, 2041817, 427410, 525 38, 525109, 525113, 525934, C25D 1300

Patent

active

052484009

ABSTRACT:
Thermosetting powder coating compositions and their method of application to substrates primed with an electrodeposited coating are disclosed. The powder coating composition comprises a solid particulated mixture of a polyepoxide and an elastomer-modified phenolic compound which is a reaction product of an epoxy resin, a functionalized elastomer and a phenolic compound. The use of the elastomer-modified phenolic composition permits the preparation of low viscosity, stable powder coating formulations for chip-resistant coatings.

REFERENCES:
patent: 3966837 (1976-06-01), Riew et al.
patent: 4220675 (1980-09-01), Imazaki
patent: 4581293 (1986-04-01), Saunders
patent: 4804581 (1989-02-01), Geary et al.
patent: 4981759 (1991-01-01), Nakatani et al.
patent: 5115019 (1992-05-01), Marx et al.

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