Semi-polar hyperdispersants for pigment bases

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

1989-09-14

1990-11-20

Dixon, Jr., William R.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 22, 106499, 548354, C09D 1102, C09D25314

Patent

active

049716263

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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