Method of applying high adhesion ultraviolet curable coatings an

Details Method of applying high adhesion ultraviolet curable coatings an Method of applying high adhesion ultraviolet curable coatings an

1975-02-18

1977-04-05

Newsome, John H.

Stock material or miscellaneous articles

Composite

Of metal

428461, 20415922, 20415923, 427 54, 427 46, 427409, B05D 306

Patent

active

040163342

ABSTRACT:
An improved process for applying an ultraviolet curable coating to tin free steel is disclosed in this invention, whereby prior to applying the main ultraviolet curable composition, a thin pre-coating of a monomer containing at least one ultraviolet polymerizable site of alpha beta ethylenic unsaturation and at least two carbonyl groups is first applied to the surface to be coated, to a thickness of at least about 10.sup..sup.-3 microns, and heated at temperatures ranging from 50.degree. to 125.degree. C. for 5-25 minutes. Following this step, an ultraviolet curable coating composition is applied and cured.

REFERENCES:
patent: 3061459 (1962-10-01), Bader
patent: 3410719 (1968-11-01), Roper
patent: 3785855 (1974-01-01), Sausaman

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