Blocked isocyanate

Details Blocked isocyanate Blocked isocyanate

1982-03-08

1983-02-22

Bond, Robert T.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D40312

Patent

active

043747710

ABSTRACT:
The novel compound, N,N'-methylenebis (hexahydro-2-oxo-1H-azepine-1-carboxamide) which is useful as a blocked isocyanate to introduce the functionality of methylene diisocyanate and which is prepared by the reaction of isocyanic acid and caprolactam followed by reaction with formaldehyde.

REFERENCES:
patent: 3304291 (1967-02-01), Dachs et al.
Fukumoto et al., "Nippon Kagaku Zasshi", vol. 84, No. 9, pp. 736-740, (1963).
Duong et al., "Australian J. Chemistry", vol. 29, No. 12, pp. 2651-2665, (1976).

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