PIGMENT DISPERSANTS FORMED BY REACTING AN ISOCYANATE WITH A POLY(ETHYLENE GLYCOL) ALKYL ETHER, A POLYESTER OR POLYACRYLATE AND A DIAMINE

Pigment dispersants prepared by reacting an isocyanate oligomer having an average functionality of at least three with a polyester or polyacrylate, a poly(ethylene glycol)alkyl ether, and a diamine having a primary amine and a tertiary amine have excellent stabilizing properties and offer a wide for...

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1. Verfasser: SIMMS, JOHN, A
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:Pigment dispersants prepared by reacting an isocyanate oligomer having an average functionality of at least three with a polyester or polyacrylate, a poly(ethylene glycol)alkyl ether, and a diamine having a primary amine and a tertiary amine have excellent stabilizing properties and offer a wide formulation latitude with a variety of solvent systems, including polar solvents and water, and are particularly useful as pigment dispersants for paints and coating applications.