Nonionic polyurethane thickener with surfactant cothickener and

Details Nonionic polyurethane thickener with surfactant cothickener and Nonionic polyurethane thickener with surfactant cothickener and

1976-12-01

1979-12-25

Tillman, Murray

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

8 1R, 8 62, 260 37N, C08L 7508, C09B 6700, C09D 1110

Patent

active

041804910

ABSTRACT:
Print pastes are thickened by a thickener concentrate containing about 5-50% by weight of a nonionic polyurethane having a molecular weight of at least 10,000 and at least 3 hydrophobic branching groups linked through hydrophilic polyether segments, a surfactant in an amount providing a thickener to surfactant weight ratio of about 1:0.01 to about 1:10, about 5-35% by weight of a non-aqueous organic diluent, and 0-65% by weight of water.

REFERENCES:
patent: 2275991 (1942-03-01), Powers et al.
patent: 2886474 (1959-05-01), Kine et al.
patent: 2948691 (1960-08-01), Windemuth et al.
patent: 3647735 (1972-03-01), Brodnyan
patent: 3988278 (1976-10-01), Bartizal
patent: 4079028 (1978-03-01), Emmons et al.

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