Process for the preparation of polyisocyanates

Details Process for the preparation of polyisocyanates Process for the preparation of polyisocyanates

1982-03-04

1983-06-14

Torrence, Dolph H.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260453SP, C07C11800

Patent

active

043882463

ABSTRACT:
Polyisocyanates are prepared by thermally splitting a carbamate corresponding to the formula:

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Abbate et al., J. Appl. Pol. Sci., vol. 16, p. 1213.
Onodo et al., Chemical Abstracts, 91:5656g, (1979).
Houben-Weyl, "Methoden der organischen Chemie", Sauerstoffverbindungen III, 2. Auflage, 1952 Verlag, pp. 115-118.

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