Carboxylic acid functional polyurethane polymers and blends ther

Details Carboxylic acid functional polyurethane polymers and blends ther Carboxylic acid functional polyurethane polymers and blends ther

1998-08-10

2000-10-31

Thibodeau, Paul

Stock material or miscellaneous articles

Composite

Of polyamidoester

4284259, 428500, 428520, 428694B, 428694BU, 428694BL, B32B 2720, B32B 2730, B32B 2740, G11B 5702

Patent

active

061399663

ABSTRACT:
The invention provides novel macromonomer and carboxyl functional polyurethanes having a high carboxyl content. The invention further provides dispersions, coatings and magnetic recording media comprising these polyurethanes, or blends or copolymers of these polyurethanes with quaternary ammonium compounds. The invention further provides novel dispersions, coatings and magnetic recording media comprising combinations of carboxyl functional polyurethanes having a high carboxyl content with quaternary ammonium polymers.

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