Protective coating composition plural coated article and...

B - Operations – Transporting – 32 – B

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B32B 15/08 (2006.01) B05D 1/38 (2006.01) B05D 3/06 (2006.01) B05D 7/24 (2006.01) C08F 283/01 (2006.01) C08F 290/04 (2006.01) C08F 299/04 (2006.01) C08F 299/06 (2006.01) C09D 4/06 (2006.01) C09D 183/10 (2006.01)

Patent

CA 1070885

ABSTRACT OF THE DISCLOSURE A radiation polymerizable protective coating composition or paint, coated articles bearing such a protective coating and process- es for preparing such 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 .5 and about g units of olefinic unsaturation per 1,000 units of molecular weight; (2) a compound polymerizable with said resin upon exposure to ionizing radiation; and (3) between about 1.0 and about 15.0 parts per 100 parts of the total of said alpha-beta olefinically unsaturated resin and said compound polymerizable therewith of a triester of phos- phoric acid bearing one or more sites of vinyl unsaturation. The composition exhibits excellent quality and good adhesion to a variety of substrates, in particular metals, including vapor deposited metals. Preferred 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, preferably with little or no pigment contained therein.

237302

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