Polyurethane coating composition curable by addition polymerizat

Details Polyurethane coating composition curable by addition polymerizat Polyurethane coating composition curable by addition polymerizat

1977-02-08

1978-06-27

Welsh, M. J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 316, 260 75NP, 260 75NQ, 260 775CR, 260 775AM, 260 775MA, C08L 1804

Patent

active

040974391

ABSTRACT:
Coating composition containing at least one free radical polymerizable ethylenically unsaturated monomer, and a chain extended polyurethane polymer having terminally ethylenically unsaturated groups and preferably polymeric urea linkages, said polymer having a molecular weight of between about 2,000 and 20,000. The polymerizable monomer is at least a partial solvent for the polymer. The coating compositions may be cured by free radical reactions to yield tough, mar-resistant coatings.

REFERENCES:
patent: 3437514 (1969-04-01), Burlant
patent: 3509234 (1970-04-01), Burlant et al.
patent: 3641199 (1972-02-01), Niederhauser et al.
patent: 3878036 (1975-04-01), Chang
patent: 3891523 (1975-06-01), Hisamatsu et al.

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