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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Bibliographische Detailangaben
Hauptverfasser:	CARLSON, JAMES, G, ROTTO, NELSON, T, ANDERSON, JEFFREY, T, BLAGEV, ALBENA, V, SPAWN, CAROL-LYNN
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON CORRECTING FLUIDS DYES FILLING PASTES INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER INKS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PHYSICS POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	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 polymers or compounds. La demande décrit des macromonomères et des polyuréthannes à fonctionnalité carboxyle présentant une teneur élevée en carboxyle. La demande décrit également des dispersions, des revêtements et des supports d'enregistrement magnétiques comprenant ces polyuréthannes, ou des mélanges ou bien des copolymères de ces polyuréthannes avec des polymères ou des composés d'ammonium quaternaire.