Protective coating composition

Details Protective coating composition Protective coating composition

1974-12-31

1976-11-16

Turer, Richard B.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

20415915, 20415916, 20415917, 260836, 260837R, 260879, 260885, 260859R, 260953, 427 44, 427250, 427404, 427407R, 427409, 428522, 428537, 428442, 428461, 428463, 428515, C08L 3102, C08F 800

Patent

active

039924777

ABSTRACT:
A radiation polymerizable protective coating composition or paint, coated articles bearing such a protective coating and processes 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 5 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 phosphoric 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.

REFERENCES:
patent: 2934555 (1960-04-01), O'Brien et al.
patent: 3030347 (1962-04-01), O'Brien et al.
patent: 3437514 (1969-04-01), Burlant
patent: 3542586 (1970-11-01), Aronoff et al.
Gotoda et al., Radiation Curing of Mixtures of Diallyl Phthalate Prepolymer and Vinyl Monomer, JAERI, 5026, pp. 121-129(1970).

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