Process for the formation of cured coatings

Details Process for the formation of cured coatings Process for the formation of cured coatings

1974-12-06

1976-05-25

Kendall, Ralph S.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

427 53, 427 54, 427407, 427333, 428424, 428425, B44D 150

Patent

active

039595218

ABSTRACT:
A process for the formation of an integrated, cured coating which comprises applying to a base material a coating composition containing ethylenically unsaturated groups and free isocyanate groups each in a specific amount to form an undercoat which is subjected to radiation, if desired; further applying a resinous coating composition containing ethylenically unsaturated groups in a specific amount to form a topcoat layer on the undercoat layer; and then curing the topcoat and undercoat layers with radiation to obtain the integrated, cured coating.

REFERENCES:
patent: 3256133 (1966-06-01), Wright et al.
patent: 3509234 (1970-04-01), Burlant et al.
patent: 3560237 (1971-02-01), Miller
patent: 3652505 (1972-03-01), Sayigh et al.
patent: 3717499 (1973-02-01), McClure
patent: 3749592 (1973-07-01), Gaske et al.

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