Process for the preparation of oligourethanes containing free is

Details Process for the preparation of oligourethanes containing free is Process for the preparation of oligourethanes containing free is

1987-04-02

1988-04-12

Welsh, Maurice J.

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...

528 77, 528 78, 528 79, 528 80, 528 83, 528 85, 427336, 427337, 427340, 4273855, C08G 1832

Patent

active

047375663

ABSTRACT:
The present invention is directed to a process for the preparation of an oligourethane and free isocyanate groups which soluble in aromatic solvents and suitable as a lacquer binder by reacting an organic diisocyanate with a high molecular polyol and a low molecular weight polyol which contains 2,2,4-trimethylpentane-1,3-diol, its ethoxylation and/or propoxylation products or addition products of this low molecular weight diol with .epsilon.-caprolactone. The present invention is also directed to oligourethanes produced by this process and to their use as the binder or binder component in moisture hardening one-component lacquers.

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