MAGNETIC RECORDING MEDIUM
PURPOSE:To obtain the titled magnetic recording medium having excellent antistatic and traveling properties by electrifying positively the surface of the magnetic layer in the magnetic recording medium wherein hexagonal-system ferromagnetic powder is incorporated as the magnetic powder. CONSTITUTION...
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| creator | HIDEYAMA AKIZO ITO TAKEO FUKAYA TOSHIO TAKEUCHI HAJIME |
| description | PURPOSE:To obtain the titled magnetic recording medium having excellent antistatic and traveling properties by electrifying positively the surface of the magnetic layer in the magnetic recording medium wherein hexagonal-system ferromagnetic powder is incorporated as the magnetic powder. CONSTITUTION:The following methods are exemplified to electrify the surface of a magnetic layer. Firstly, magnetic powder which is easy to be positively electrified is selected from hexagonal-system magnetic powder, and used as the magnetic powder. Secondly, inorg. powder having a positively electrifiable property, a surfactant capable of providing a positively electrifiable property, and an electrification controlling agent are added into a magnetic paint or dispersed in the magnetic paint. Thirdly, a magnetic paint is coated on a positively electrified base body. Fourthly, the pH of a magnetic paint is regulated and made higher than the isoelectric point to electrify positively the surface of the magnetic layer. The methods are applied separately, or a combination of the methods is applied. |
| format | Patent |
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CONSTITUTION:The following methods are exemplified to electrify the surface of a magnetic layer. Firstly, magnetic powder which is easy to be positively electrified is selected from hexagonal-system magnetic powder, and used as the magnetic powder. Secondly, inorg. powder having a positively electrifiable property, a surfactant capable of providing a positively electrifiable property, and an electrification controlling agent are added into a magnetic paint or dispersed in the magnetic paint. Thirdly, a magnetic paint is coated on a positively electrified base body. Fourthly, the pH of a magnetic paint is regulated and made higher than the isoelectric point to electrify positively the surface of the magnetic layer. The methods are applied separately, or a combination of the methods is applied.</description><language>eng</language><subject>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</subject><creationdate>1986</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19860710&DB=EPODOC&CC=JP&NR=S61151834A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25562,76317</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19860710&DB=EPODOC&CC=JP&NR=S61151834A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HIDEYAMA AKIZO</creatorcontrib><creatorcontrib>ITO TAKEO</creatorcontrib><creatorcontrib>FUKAYA TOSHIO</creatorcontrib><creatorcontrib>TAKEUCHI HAJIME</creatorcontrib><title>MAGNETIC RECORDING MEDIUM</title><description>PURPOSE:To obtain the titled magnetic recording medium having excellent antistatic and traveling properties by electrifying positively the surface of the magnetic layer in the magnetic recording medium wherein hexagonal-system ferromagnetic powder is incorporated as the magnetic powder. CONSTITUTION:The following methods are exemplified to electrify the surface of a magnetic layer. Firstly, magnetic powder which is easy to be positively electrified is selected from hexagonal-system magnetic powder, and used as the magnetic powder. Secondly, inorg. powder having a positively electrifiable property, a surfactant capable of providing a positively electrifiable property, and an electrification controlling agent are added into a magnetic paint or dispersed in the magnetic paint. Thirdly, a magnetic paint is coated on a positively electrified base body. Fourthly, the pH of a magnetic paint is regulated and made higher than the isoelectric point to electrify positively the surface of the magnetic layer. The methods are applied separately, or a combination of the methods is applied.</description><subject>ADHESIVES</subject><subject>CHEMICAL PAINT OR INK REMOVERS</subject><subject>CHEMISTRY</subject><subject>COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS</subject><subject>CORRECTING FLUIDS</subject><subject>DYES</subject><subject>FILLING PASTES</subject><subject>INFORMATION STORAGE</subject><subject>INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER</subject><subject>INKS</subject><subject>METALLURGY</subject><subject>MISCELLANEOUS APPLICATIONS OF MATERIALS</subject><subject>MISCELLANEOUS COMPOSITIONS</subject><subject>NATURAL RESINS</subject><subject>PAINTS</subject><subject>PASTES OR SOLIDS FOR COLOURING OR PRINTING</subject><subject>PHYSICS</subject><subject>POLISHES</subject><subject>USE OF MATERIALS THEREFOR</subject><subject>WOODSTAINS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1986</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJD0dXT3cw3xdFYIcnX2D3Lx9HNX8HV18Qz15WFgTUvMKU7lhdLcDIpuriHOHrqpBfnxqcUFicmpeakl8V4BwWaGhqaGFsYmjsbEqAEAFPIgOA</recordid><startdate>19860710</startdate><enddate>19860710</enddate><creator>HIDEYAMA AKIZO</creator><creator>ITO TAKEO</creator><creator>FUKAYA TOSHIO</creator><creator>TAKEUCHI HAJIME</creator><scope>EVB</scope></search><sort><creationdate>19860710</creationdate><title>MAGNETIC RECORDING MEDIUM</title><author>HIDEYAMA AKIZO ; ITO TAKEO ; FUKAYA TOSHIO ; TAKEUCHI HAJIME</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPS61151834A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1986</creationdate><topic>ADHESIVES</topic><topic>CHEMICAL PAINT OR INK REMOVERS</topic><topic>CHEMISTRY</topic><topic>COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS</topic><topic>CORRECTING FLUIDS</topic><topic>DYES</topic><topic>FILLING PASTES</topic><topic>INFORMATION STORAGE</topic><topic>INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER</topic><topic>INKS</topic><topic>METALLURGY</topic><topic>MISCELLANEOUS APPLICATIONS OF MATERIALS</topic><topic>MISCELLANEOUS COMPOSITIONS</topic><topic>NATURAL RESINS</topic><topic>PAINTS</topic><topic>PASTES OR SOLIDS FOR COLOURING OR PRINTING</topic><topic>PHYSICS</topic><topic>POLISHES</topic><topic>USE OF MATERIALS THEREFOR</topic><topic>WOODSTAINS</topic><toplevel>online_resources</toplevel><creatorcontrib>HIDEYAMA AKIZO</creatorcontrib><creatorcontrib>ITO TAKEO</creatorcontrib><creatorcontrib>FUKAYA TOSHIO</creatorcontrib><creatorcontrib>TAKEUCHI HAJIME</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>HIDEYAMA AKIZO</au><au>ITO TAKEO</au><au>FUKAYA TOSHIO</au><au>TAKEUCHI HAJIME</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>MAGNETIC RECORDING MEDIUM</title><date>1986-07-10</date><risdate>1986</risdate><abstract>PURPOSE:To obtain the titled magnetic recording medium having excellent antistatic and traveling properties by electrifying positively the surface of the magnetic layer in the magnetic recording medium wherein hexagonal-system ferromagnetic powder is incorporated as the magnetic powder. CONSTITUTION:The following methods are exemplified to electrify the surface of a magnetic layer. Firstly, magnetic powder which is easy to be positively electrified is selected from hexagonal-system magnetic powder, and used as the magnetic powder. Secondly, inorg. powder having a positively electrifiable property, a surfactant capable of providing a positively electrifiable property, and an electrification controlling agent are added into a magnetic paint or dispersed in the magnetic paint. Thirdly, a magnetic paint is coated on a positively electrified base body. Fourthly, the pH of a magnetic paint is regulated and made higher than the isoelectric point to electrify positively the surface of the magnetic layer. The methods are applied separately, or a combination of the methods is applied.</abstract><oa>free_for_read</oa></addata></record> |
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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 |
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