PRODUCTION OF MAGNETIC RECORDING MEDIUM AND CONTINUOUS KNEADER

PURPOSE:To provide a producing method for a magnetic recording medium and a continuous kneader capable of realizing the medium extremely improved not only in Bm but in Rs and high dispersibility and extremely reduced in production time and cost. CONSTITUTION:Supplied magnetic coating material compon...

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Bibliographische Detailangaben
Hauptverfasser:	SAKATA TAKAO, ITO ATSUSHI, KOZUMI TETSUO
Format:	Patent
Sprache:	eng
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 MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PHYSICS POLISHES TRANSPORTING USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	PURPOSE:To provide a producing method for a magnetic recording medium and a continuous kneader capable of realizing the medium extremely improved not only in Bm but in Rs and high dispersibility and extremely reduced in production time and cost. CONSTITUTION:Supplied magnetic coating material components 16 are sufficiently compacted in the state of high solid content (NV) in a compacting and kneading part 20 at first and as the next time, and successively diluted and kneaded stepwise with a solvent supplied from a solvent tank 21, for instance, by each pump of 22A, 22B, 22C 22D in a diluting and kneading part 30. In the compacting and kneading part 20, the coating material component 16 to be kneaded has particularly high density having 78-100% NV and is made finally to