Polymerizable cyclic urea derivatives

Details Polymerizable cyclic urea derivatives Polymerizable cyclic urea derivatives

1989-12-29

1991-07-09

Schofer, Joseph L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Unsubstituted hydrocarbyl chain between the ring and the -c-...

548320, 544316, 544318, 528245, 526263, 525402, 4273882, C07D24304, C07D23936, C07D24502

Patent

active

050307266

ABSTRACT:
The present invention relates to polymerizable cyclic urea derivatives which can be thermally split to give rise to an isocyanate group; and to a polymer having cyclic urea pendant groups, which can be cured by heating without any additional curing agent such as an isocyanate blocked with a volatile lower molecular weight material, so that volatile material is not released in a thermal curing process.

REFERENCES:
patent: 4104220 (1978-08-01), Sims
patent: 4319032 (1982-03-01), Sanori
patent: 4766221 (1988-08-01), Floyd
patent: 4777265 (1988-10-01), Merger
Journal of Organic Chemistry, vol. 29, No. 11, "Some Reactions of Ethylene Diisocyanate", Tilley et al., pp. 3347-3350.
Patent Abstracts of Japan, vol. 11, No. 133, Apr. 25, 1987, 61-271277-A.

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