Curable solid adducts of polyene-polythiol compositions with ure

Details Curable solid adducts of polyene-polythiol compositions with ure Curable solid adducts of polyene-polythiol compositions with ure

1974-07-12

1976-11-23

Turer, Richard B.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

96 351, 20415915, 20415918, 20415924, 20415923, 260 4247, 260 4253, 260 775CR, 260 775BB, 260 79, 260 795C, 427 54, 428419, 428325, 428425, 428461, C08F 246, C08F 818

Patent

active

039935493

ABSTRACT:
This invention relates to a solid curable composition formed by adding finely divided urea in amounts ranging from 10 to 70 weight percent of the composition to liquid polyene/polythiol curable systems wherein the combined polyene and polythiol contain at least 20 percent by weight of oxyethylene units. The thus formed solid compositions are readily cured by radiation, e.g., high energy ionizing radiation or U. V. radiation in the presence of a photocuring rate accelerator.

REFERENCES:
patent: 3661744 (1972-05-01), Kehr et al.
patent: 3697397 (1972-10-01), Kehr et al.
patent: 3697402 (1972-10-01), Kehr et al.

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