C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
204/91.4
C08J 7/10 (1980.01)
Patent
CA 1076062
PLURAL COATED ARTICLE AND PROCESS FOR MAKING SAME ABSTRACT OF THE DISCLOSURE A radiation polymerizable protective coating composition or paint is used as the top coat of plural coated articles. The radiation polymerizable paint, on a non- polymerizable solvent, pigment, initiator and particulate filler-free basis consists essentially of a binder solution of: (1) an alpha-beta olefinically unsaturated organic resin containing between about 0.5 and about 5 units of olefinic unsaturation per 1,000 units of molecular weight; (2) a compound polymerizable with the resin upon exposure to ionizing radiation; and (3) between about 1.0 and about 15.0 parts per 100 parts of the total of the alpha-beta olefinically unsaturated resin and said compound polymeriz- able therewith of a triester of phosphoric acid bearing one or more sites of vinyl unsaturation. The plural coated articles bearing such a coating are prepared by: applying a base coat to a substrate and curing the same; vapor depositing a coating of a metal over the surface of the base coat; and applying to and curing on the surface of the deposited metal the radiation polymerizable topcoat, pre- ferably with little or no pigment contained therein. The top coat exhibits excellent quality and good adhesion to vapor deposited metals. - 1 -
328816
Cassatta Joseph C.
Dickie Ray A.
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