Actinic radiation-curable rust-preventive coating compositions f

Details Actinic radiation-curable rust-preventive coating compositions f Actinic radiation-curable rust-preventive coating compositions f

1989-11-27

1991-12-03

McCamish, Marion E.

Coating processes

Electrical product produced

Welding electrode

427156, 522115, 522 95, 522102, 522106, 522171, 526278, 525287, B05D 306, B65D 3300, C08L 6310, C08L 6707

Patent

active

050699296

ABSTRACT:
An actinic radiation-curable, rust-preventive coating composition suitable for use in temporary protection of steel products from rusting and having improved rust preventing property even in the presence of oil on the steel surface is disclosed. The coating composition comprises: (A) from 10 to 50 parts by weight of a vinyl polymer having a glass transition temperature of not lower than 5.degree. C. and a solubility parameter in the range of 9 to 11.5; (B) from 50 to 90 parts by weight of one or more polymerizable compounds having at least one unsaturated group capable of initiating reaction by actinic radiation; and (C) from 0.1 to 20 parts by weight of an organic phosphate of the formula: ##STR1## wherein R.sub.1 is hydrogen or methyl; Y is a straight or branched chain alkylene having 2 to 20 carbon atoms which may be interrupted by one or more ester or oxy linkages and/or aromatic rings; and n is an integer of 1 to 3.

REFERENCES:
patent: 3957918 (1976-05-01), Dickie
patent: 3987127 (1976-10-01), Dickie
patent: 4228108 (1980-10-01), Atchison
patent: 4438190 (1984-03-01), Ishimaru
Chemical Abstract, vol. 85#48436d Yokomichi, 1976.
Chemical Abstract, vol. 88#106923k Kodama, 1977.
Chemical Abstract, vol. 94#85849x Kansai, 1980.
Chemical Abstract, vol. 95#44162v Somar, 1981.
Fujikawa, Chem, Abstracts, vol. 84:75801e, 1976.

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