MAGNETIC RECORDING MEDIUM
PURPOSE:To form a magnetic layer having superior surface smoothness and contg. magnetic powder with superior dispersibility and orientability and to obtain a magnetic recording medium with satisfactory magnetic characteristics, by using a magnetic coating contg. magnetic powder, a binder resin and a...
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| creator | YAMAMOTO YOSHINORI NAGATANI HITOSHI MIYAKE AKIRA |
| description | PURPOSE:To form a magnetic layer having superior surface smoothness and contg. magnetic powder with superior dispersibility and orientability and to obtain a magnetic recording medium with satisfactory magnetic characteristics, by using a magnetic coating contg. magnetic powder, a binder resin and an amido compound. CONSTITUTION:Magnetic powder (A) such as gamma-Fe2O3 powder is mixed with a binder resin (B) such as a vinyl chloride-vinyl acetate copolymer, an amido compound (C) such as ''Disparon 6900-20X '' of KUSUMOTO KASEI KK by about 0.1-10wt% of the amount of the magnetic powder, and an org. solvent (D) such as methyl isobutyl ketone in a ball mill or the like to prepare a magnetic coating. The coating is applied to a substrate such as a polyester film by a conventional method and dried to form a magnetic layer. |
| format | Patent |
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CONSTITUTION:Magnetic powder (A) such as gamma-Fe2O3 powder is mixed with a binder resin (B) such as a vinyl chloride-vinyl acetate copolymer, an amido compound (C) such as ''Disparon 6900-20X '' of KUSUMOTO KASEI KK by about 0.1-10wt% of the amount of the magnetic powder, and an org. solvent (D) such as methyl isobutyl ketone in a ball mill or the like to prepare a magnetic coating. 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CONSTITUTION:Magnetic powder (A) such as gamma-Fe2O3 powder is mixed with a binder resin (B) such as a vinyl chloride-vinyl acetate copolymer, an amido compound (C) such as ''Disparon 6900-20X '' of KUSUMOTO KASEI KK by about 0.1-10wt% of the amount of the magnetic powder, and an org. solvent (D) such as methyl isobutyl ketone in a ball mill or the like to prepare a magnetic coating. 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| language | eng |
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| subjects | 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 |
| title | MAGNETIC RECORDING MEDIUM |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-02-03T11%3A16%3A42IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-epo_EVB&rft_val_fmt=info:ofi/fmt:kev:mtx:patent&rft.genre=patent&rft.au=YAMAMOTO%20YOSHINORI&rft.date=1983-09-21&rft_id=info:doi/&rft_dat=%3Cepo_EVB%3EJPS58159235A%3C/epo_EVB%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_id=info:pmid/&rfr_iscdi=true |