Semi-polar hyperdispersants for pigment bases

Details Semi-polar hyperdispersants for pigment bases Semi-polar hyperdispersants for pigment bases

C - Chemistry, Metallurgy

07

D

260/124, 400/180

C07D 233/18 (2006.01) C07D 233/14 (2006.01) C09D 11/02 (2006.01) C09D 11/10 (2006.01)

Patent

CA 1323623

ABSTRACT OF THE DISCLOSURE Quaternized oligourethanes, useful as dispersing agents in preparing high-solids pigment concentrates for use in manufacturing inks, especially inks intended for use in gravure and packaging applications. The novel oligourethanes are prepared by reacting an appropriate ester or alcohol with a hydroxyimidazoline and polyisocyanate followed by quaternization with acids or alkyl derivatives of acids.

598750

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