Method of forming a cured coating film

Details Method of forming a cured coating film Method of forming a cured coating film

1988-12-01

1992-03-03

McCamish, Marion E.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Radiation sensitive composition or product or process of making

430330, 522904, 522 90, 522103, G03C 500, G03C 1725, G03F 7025, C08G 5918

Patent

active

050932233

ABSTRACT:
The invention provides a method of forming a cured coating film which comprises exposing a coating composition consisting of, or containing as a main component, a resin containing polymerizable unsaturated group and aprotic onium-containing group of the formula ##STR1## wherein R.sub.1 means a hydrogen atom or a hydrocarbon group of 1 to 8 carbon atoms which may optionally be substituted by a hydroxyl, alkoxy or ester group or a halogen atom; ##STR2## where Z means a nitrogen atom or phosphorus atom and Y means a sulfur atom; R.sub.2, R.sub.3 and R.sub.4 are the same or different and respectively mean an organic group of 1 to 14 carbon atoms, provided that R.sub.2 and R.sub.3, or R.sub.2, R.sub.3 and R.sub.4 may jointly form a heterocyclic group taken together with the adjacent nitrogen, phosphorus or sulfur atom, to actinic radiation or electron beams to thereby induce a crosslinking reaction and, then, subjecting the composition to heat treatment at a temperature not less than 80.degree. C.

REFERENCES:
patent: 4074008 (1978-02-01), Green
patent: 4186069 (1980-01-01), Muzyczko et al.
patent: 4338232 (1982-07-01), Harris et al.
patent: 4565771 (1986-01-01), Lynch et al.
patent: 4693961 (1987-09-01), Bauer
patent: 4786579 (1988-11-01), Tazawa et al.

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