Polyurethane thickeners and their use for thickening aqueous sys

Details Polyurethane thickeners and their use for thickening aqueous sys Polyurethane thickeners and their use for thickening aqueous sys

1994-08-04

1997-01-14

Seidleck, James 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 76, 528 85, 524589, 524590, C08G 1800

Patent

active

055940870

ABSTRACT:
Water soluble or water dispersible polyurethane, which are suitable as thickeners for aqueous systems and prepared from a selected alcohol component a) based on a hydrophilic/hydrophobic mixture of alcohols and an isocyanate component b), and to their use for thickening aqueous systems.

REFERENCES:
patent: 3362780 (1968-01-01), Kuth et al.
patent: 4079028 (1978-03-01), Emmons et al.
patent: 4092275 (1978-05-01), Reisch et al.
patent: 4155892 (1979-05-01), Emmons et al.
patent: 4499233 (1985-02-01), Tetenbaum et al.
patent: 5023309 (1991-06-01), Kruse et al.

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