Thickening aqueous systems

Details Thickening aqueous systems Thickening aqueous systems

1988-04-08

1991-03-05

Raymond, Richard L.

Chemistry: fertilizers

Processes and products

Forms or conditioning

71 93, 71120, 71118, 71126, A01N 2502, A01N 4348, A01N 4730, A01N 2900

Patent

active

049974718

ABSTRACT:
New liquid thickeners for aqueous liquids, particularly those employed in pesticides and latex paints, comprise polyoxyalkylene polyethers terminated with oxypropylene groups. These copolymers are prepared by reacting ethylene oxide with an active hydrogen-containing initiator having about 1 to 18 carbon atoms and at least one active hydrogen atom followed by reaction with propylene oxide.

REFERENCES:
patent: 2891855 (1959-06-01), Tysin et al.
patent: 3036130 (1962-05-01), Jackson et al.
patent: 3740421 (1973-06-01), Schmolka
patent: 4464524 (1984-08-01), Karickhoff
patent: 4745230 (1988-05-01), Otten et al.

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