Urea-modified copolymers as dispersants for pigments in coating

Details Urea-modified copolymers as dispersants for pigments in coating Urea-modified copolymers as dispersants for pigments in coating

1992-09-22

1993-12-14

Michl, Paul R.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

524282, 524283, 524284, C08F 832

Patent

active

052703991

ABSTRACT:
The present invention is directed to a pigment dispersant for use in coating compositions. The dispersant is the reaction product of a functionalized copolymer, a polyalkylene glycol monalkyl compound to impart water soluble character to the copolymer, and a urea-containing pigment interactive substituent that enhances pigment dispersion in solution.

REFERENCES:
patent: 4126595 (1978-11-01), Martorano et al.
patent: 4190693 (1980-02-01), Martorano et al.
patent: 4975474 (1990-12-01), Barsotti et al.

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