Coating composition having an improved pot life

Details Coating composition having an improved pot life Coating composition having an improved pot life

1978-09-15

1980-11-25

Smith, John D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

427420, 427421, 427428, 427429, 427435, 4273897, 4273935, 4273882, 4274301, 4284231, 525131, 525410, 525440, 528 66, 528 76, 528 85, C08K 505, C08G 1832

Patent

active

042357667

ABSTRACT:
A coating composition having a prolonged pot life is disclosed which is based on an organic polyhydroxy compound and an organic polyisocyanate in an organic solvent therefor. The composition contains 2-25% by weight of 2-methyl-2-propanol and/or 2-methyl-2-butanol. At least 0.8 equivalent of the monohydric alcohol is present per equivalent of the polyisocyanate to avoid premature chemical reaction with the formation of a polyurethane.

REFERENCES:
patent: 3137662 (1964-06-01), Rectenwald
patent: 3577391 (1971-05-01), Argabright et al.
patent: 3597495 (1971-08-01), Sekmakas et al.
patent: 3926875 (1975-12-01), Tsugukuni et al.
patent: 3990921 (1976-11-01), Sekmakas et al.
patent: 4096291 (1978-06-01), Dunwald et al.

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