Radiation curable coating

Details Radiation curable coating Radiation curable coating

1975-09-30

1978-02-07

Tillman, Murray

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

260 4228, 260836, 260837R, 427 36, 427 44, 427 54, 428413, 428457, 428473, 428511, C08F 800

Patent

active

040725928

ABSTRACT:
A radiation curable coating composition for various substrates containing an adduct of acrylic acid and an epoxy resin (which may be modified with an anhydride, such as maleic anhydride), and a reactive acrylate monomer vehicle. The coating composition can be pigmented and can also contain additives commonly used in coatings, such as wetting agents and flow control agents. The coating composition does not require the usual hydrocarbon vehicles that give rise to air pollution problems. Surface gloss of a UV cured film obtained from a pigmented coating composition can be increased by using a photosensitizer combination of 2-chlorothioxanthone and a phenyl ketone, such as benzophenone. Adhesion of a cured coating is improved by replacing the tertiary amine co-sensitizer, at least in part, with dimethylaminoethyl acrylate.

REFERENCES:
patent: 3773856 (1973-11-01), Takiyama et al.
patent: 3840448 (1974-10-01), Osborn et al.
patent: 3847771 (1974-11-01), McGinniss
patent: 3878076 (1975-04-01), Nishikubo et al.
patent: 3878077 (1975-04-01), Borden et al.
patent: 3882187 (1975-05-01), Takiyama et al.
patent: 3912670 (1975-10-01), Huemmer et al.
patent: 3915824 (1975-10-01), McGinniss

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