High solids urethane coatings

Details High solids urethane coatings High solids urethane coatings

1976-05-28

1977-12-20

Rzucidlo, Eugene C.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260 775MA, 260 775CR, 427385R, C08G 1804

Patent

active

040641945

ABSTRACT:
A two-package urethane forming coating composition comprises a hydroxyl-bearing polymer having ethylenic unsaturation dispersed in fugitive solvent; and a multi-isocyanate dispersed in fugitive solvent. The coating composition cures by heating with an in situ reaction of the hydroxyl-isocyanate reaction in combination with an in situ free-radical addition polymerization through the ethylenic unsaturation.

REFERENCES:
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patent: 3824201 (1974-07-01), McGranaghon et al.
patent: 3837892 (1974-09-01), Marzocchi
patent: 3855379 (1974-12-01), Araki et al.
patent: 3856757 (1974-12-01), Satomura
patent: 3878036 (1975-04-01), Chang
patent: 3886111 (1975-05-01), Yoshimura et al.
patent: 3966681 (1976-06-01), Maeda et al.
patent: 3991024 (1976-11-01), Nakamoto et al.
"Polyurethanes Chemistry and Technology" Part II pp. 464-465 and 490-492, Saunders et al. 9/10/64, Interscience Publ., N.Y.

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