Semi-polar hyperdispersants for pigment bases

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

1989-04-13

1989-11-21

Schwartz, Richard A.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D23314

Patent

active

048824364

ABSTRACT:
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 hydroxyethylimidazoline and polyisocyanate followed by quaternization with acids or alkyl derivatives of acids.

REFERENCES:
patent: Re32411 (1987-05-01), Hutter
patent: 3884713 (1975-05-01), Langley et al.
patent: 4028128 (1977-06-01), Robertson
patent: 4224212 (1980-09-01), Topham

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