Polyisocyanate mixtures, a process for their production and thei

Details Polyisocyanate mixtures, a process for their production and thei Polyisocyanate mixtures, a process for their production and thei

1992-09-04

1993-11-02

Kight, III, John

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524840, 2521822, 25218221, 25218222, 528 49, 560355, C08G 1830

Patent

active

052584526

ABSTRACT:
The present invention relates to polyisocyanates containing tertiary nitrogen with an (average) NCO functionality of 2.3 to 4.3 which, despite the presence of tertiary nitrogen and isocyanate groups in the same molecule, would be stable in storage, could be dissolved or dispersed in water without difficulty, optionally after at least partial alkylation or protonation, and would be suitable as starting components in the production of polyurethane plastics and, above all, as crosslinking agents for water-containing binders or binder components.

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patent: 4433095 (1984-02-01), Hombach et al.
patent: 4663377 (1987-05-01), Hombach et al.
patent: 5075345 (1991-12-01), Mayer et al.

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