Process for the preparation of compounds having s-triazine units

Details Process for the preparation of compounds having s-triazine units Process for the preparation of compounds having s-triazine units

1982-01-04

1983-05-17

Kight, III, John

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

Synthetic resins

From reactant having at least one -n=c=x group as well as...

524872, 544197, 544204, 544205, 544206, 544207, 544208, 544209, C08G 1877

Patent

active

043841023

ABSTRACT:
Compounds having both s-triazine units and epoxide groups present are prepared by reacting an epoxide containing an isocyanate-reactive group with a triisocyanate corresponding to the formula: ##STR1## in which X is as defined herein. These reactants are used in quantities such that the equivalent ratio of isocyanate groups to isocyanate-reactive groups is maintained at less than or equal to 1 to 1. The compounds thus produced are particularly useful as reactive cross-linkers in the production of polyurethanes and polyepoxides.

REFERENCES:
patent: 2838511 (1958-06-01), Kogon
patent: 3210339 (1968-10-01), Schwarze et al.
patent: 4255570 (1981-03-01), Grogler et al.
patent: 4348512 (1982-09-01), Grogler et al.

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