UV Cured polyurethanes using organotin promoters

Details UV Cured polyurethanes using organotin promoters UV Cured polyurethanes using organotin promoters

1984-01-11

1985-10-29

Bleutge, John C.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

521126, 20415914, 525123, 528 58, 528 75, C08F 250, C08G 1824

Patent

active

045499454

ABSTRACT:
A photocurable composition consisting essentially of the mixture of a diisocyanate compound, a polyol and certain UV light sensitive organotin compounds. The photocurable composition is cured by exposing it to ultraviolet light in the wavelength range of 2000 to 4000 Angstroms for a period of about 0.1 second to about 20 minutes at a temperature in the range of about 0.degree. F. to about 180.degree. F.

REFERENCES:
patent: 3523103 (1970-08-01), Zemlin
patent: 3552961 (1971-01-01), Notley et al.
patent: 4119510 (1978-10-01), Williams
patent: 4186017 (1980-01-01), Palmer
patent: 4333987 (1982-06-01), Kwart
patent: 4424252 (1984-01-01), Nativi
Steinert et al., "The Photo Chemistry of . . . Hexaphenylditin", Journal of Organometallic Chemistry, 24, (1970), 113-118.
App. Ser. No. 558,650, filed 12-6-83.
J. Organometal. Chem. I, (1964), 434-436, Farrar et al.

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