Curable polyene-polythiol compositions

Details Curable polyene-polythiol compositions Curable polyene-polythiol compositions

1974-04-15

1976-03-23

Welsh, M. J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

20415911, 20415915, 252182, 2603095, 260 79, 260 775AQ, 428423, C08G 1800

Patent

active

039459829

ABSTRACT:
A curable composition comprising compatible polyene and polythiol in which both the components are derived from a hydrantoin glycol. The polyene is typically a reaction product of N,N'-bis(2-hydroxyethyl) dimethylhydantoin, a diisocyanate and an unsaturated alcohol, e.g., allyl alcohol. The polythiol is typically a reaction product of N,N-'-bis(2-hydroxyethyl) dimethylhydantoin and a mercapto carboxylic acid, e.g., .beta.-mercaptopropionic acid. Upon exposure to a free radical generator, e.g., actinic radiation, this polyene-polythiol composition cures to solid, insoluble, chemically resistant, crosslinked polythioether products.

REFERENCES:
patent: 3697395 (1972-10-01), Kehr et al.
patent: 3839354 (1974-10-01), Habermeier et al.

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