FLEXIBLE SCHICHTMAGNETOGRAMMTRAEGER MIT RUECKSCHICHT

1. A flexible magnetic recording medium which comprises a polyethylene terephthalate film as the base, a magnetic layer which is applied to one side of the base and consists of anisotropic magnetic material dispersed in an organic binder, and a conductive backing coating which is one the side of the...

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Bibliographische Detailangaben
Hauptverfasser:	BAUR,REINHOLD,DR, ROLLER,HERMANN, SOMMERMANN,FRIEDRICH,DR, GUTERMANN,WINFRIED, BALZ,WERNER,DR
Format:	Patent
Sprache:	ger
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES FILLING PASTES INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER INKS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PHYSICS POLISHES USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	1. A flexible magnetic recording medium which comprises a polyethylene terephthalate film as the base, a magnetic layer which is applied to one side of the base and consists of anisotropic magnetic material dispersed in an organic binder, and a conductive backing coating which is one the side of the base opposite to the magnetic layer and consists of non-magnetizable conductive and non-conductive solids finely dispersed in a binder, wherein the binder for the backing coating consists of a mixture of (a) from 20 to 45 parts by weight of a linear saturated polyester resin, (b) from 10 to 45 parts by weight of a polyurethane resin, (c) from 15 to 45 parts by weight of a polyphenoxy resin, and (d) from 5 to 30 parts by weight of a linear polyesterurethane resin.