Stable dispersions and the manufacture thereof

Details Stable dispersions and the manufacture thereof Stable dispersions and the manufacture thereof

1988-07-28

1989-07-11

Welsh, Maurice J.

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...

524724, 524729, 524762, 524773, 525424, 525440, 525452, C08L 7504

Patent

active

048473200

ABSTRACT:
The present invention relates to a process for the production of stable dispersions of polyureas and/or polyhydrazodicarbonamides in a hydroxyl-group-containing material by reacting an organic di- or polyisocyanate with a composition selected from the group consisting of polyamines containing primary and/or secondary amine groups, hydrazines, hydrazides, and mixtures thereof, in said hydroxyl-group containing material, in the presence of a dispersion stabilizing compound.

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