CARBOXYLIC ACID FUNCTIONAL POLYURETHANE POLYMERS AND BLENDS THEREOF USED IN MAGNETIC RECORDING MEDIA
The application describes macromonomers and carboxyl functional polyurethanes having a high carboxyl content. The application further describes dispersions, coatings and magnetic recording media comprising these polyurethanes, or blends or copolymers of these polyurethanes with quaternary ammonium p...
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Sprache: | eng ; fre |
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