Tertiary polyisocyanate derivatives

Details Tertiary polyisocyanate derivatives Tertiary polyisocyanate derivatives

1986-11-12

1988-05-31

Ford, John M.

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

544193, 524101, 528 65, C07D25130, C07D25132

Patent

active

047482427

ABSTRACT:
The present invention is directed to a process for the production of polyisocyanates containing isocyanurate groups by trimerizing a mixture of aliphatic-cycloaliphatic diisocyanates having a sterically unhindered isocyanate group bound to a primary aliphatic carbon atom and a sterically hindered isocyanate group bound to a tertiary carbon atom which forms a part of a cycloaliphatic ring system and 1,6-diisocyanatohexane. The present invention is also directed to the polyisocyanates containing isocyanurate groups produced according to this process and to their use, optionally in blocked form, as an isocyanate component in the production of polyisocyanate polyaddition products, preferably polyurethane lacquers.

REFERENCES:
patent: 3919218 (1975-11-01), Schmitt et al.
patent: 4265798 (1981-05-01), Mishra
patent: 4288586 (1981-09-01), Bock et al.
patent: 4412073 (1983-10-01), Robin
patent: 4454317 (1984-06-01), Disteldorf et al.
patent: 4469867 (1984-09-01), Disteldorf et al.
patent: 4487928 (1984-12-01), Richter et al.
patent: 4537961 (1985-08-01), Robin
patent: 4613685 (1986-09-01), Klein et al.

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