DISPERSANTS WITH MULTIPLE AROMATIC IMIDE ANCHOR GROUPS
First Claim
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1. A polymer comprising a polymer chain having at least one imide group, wherein each imide group is chemically bonded to an aromatic ring (either a single aromatic ring or a fused aromatic ring), the polymer is represented by Formula (1):
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Abstract
A polyurethane dispersant is described that comprises a reaction product of a polyisocyanate with a) a component supplying a anchoring imide group wherein the carbonyl groups of the imide are bonded to a fused or non-fused aromatic ring, b) at least one solvent-solubilising chain, and other optional components to build molecular weight or modify the interaction of the dispersant with various particulates or continuous media.
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16 Claims
- 1. A polymer comprising a polymer chain having at least one imide group, wherein each imide group is chemically bonded to an aromatic ring (either a single aromatic ring or a fused aromatic ring), the polymer is represented by Formula (1):
Specification