Curable polyene-polythiol hydantoin compositions

Details Curable polyene-polythiol hydantoin compositions Curable polyene-polythiol hydantoin compositions

1975-09-18

1976-10-05

Turer, Richard B.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

20415915, 20415918, 20415923, 20415924, 260 47CB, 260 775AP, 260 775BB, 260 795C, 260 797, 2603095, 427 54, 428425, 428419, 428457, C08F 246, C08F 818

Patent

active

039842975

ABSTRACT:
A curable composition comprising compatible polyene and polythiol in which both the components are derived from a hydantoin 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, cross-linked polythioether products.

REFERENCES:
patent: 3697395 (1972-10-01), Kehr et al.
patent: 3839354 (1974-10-01), Habermeier et al.
patent: 3945982 (1976-03-01), Morgan

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