Polyurethane thickeners for aqueous compositions

Details Polyurethane thickeners for aqueous compositions Polyurethane thickeners for aqueous compositions

1977-10-03

1979-05-22

Welsh, Maurice J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

8 1R, 8 76, 8 79, 71 69, 260 296NR, 260 297NR, 424358, 428425, C08G 1800

Patent

active

041558928

ABSTRACT:
Latex and other aqueous systems are thickened by incorporation of a low molecular weight polyurethane characterized by at least three hydrophobic groups interconnected by hydrophilic polyether groups. The thickeners are nonionic, hydrolytically stable and are resistant to biodegradation.

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