Polyurethane thickeners in latex compositions

Details Polyurethane thickeners in latex compositions Polyurethane thickeners in latex compositions

1976-05-17

1978-03-14

Welsh, M. J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 292TN, 260 297NR, 260 775AP, C08L 3308

Patent

active

040790282

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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patent: 2946767 (1960-07-01), Gassmann
patent: 2948691 (1960-08-01), Windemuth et al.
patent: 3086887 (1963-04-01), Habib
patent: 3189578 (1965-06-01), Kuemmerer
patent: 3190847 (1965-06-01), Mitchell et al.
patent: 3360494 (1967-12-01), Bolinger
patent: 3490987 (1970-01-01), Bauriedel
patent: 3708435 (1973-01-01), Starkman
patent: 3770684 (1973-11-01), Singer et al.

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