Radiation curable aqueous coatings

Details Radiation curable aqueous coatings Radiation curable aqueous coatings

1977-01-26

1979-01-09

Turer, Richard B.

Coating processes

Electrical product produced

Welding electrode

20415915, 20415916, 20415919, 260 292UA, 260 294UA, 260 296NR, 260861, 260885, 427 44, C08F 800

Patent

active

041339096

ABSTRACT:
High solids, low viscosity, radiation curable, aqueous coatings compositions are provided by adding a small proportion of water to a polyethylenically unsaturated resin, preferably a liquid polyester containing acrylate groups and carboxyl functionality enabling improved dispersibility with water in the presence of a base, and a water soluble monoethylenically unsaturated monomer selected from acrylamide and N-methylol acrylamide is added to lower the viscosity of the composition and also to improve the cure. An ultraviolet photosensitizer, such as benzophenone, is added, preferably together with a tertiary amine cosensitizer, to enable ultraviolet cure.

REFERENCES:
patent: 3499855 (1970-01-01), Roper
patent: 3628963 (1971-01-01), Akamatsu et al.
patent: 3740353 (1973-06-01), Patrick et al.
patent: 3856644 (1974-12-01), Traenckner et al.
patent: 3939110 (1976-02-01), Colberg et al.
patent: 3992276 (1976-11-01), Powanda et al.

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