MAGNETIC RECORDING MEDIUM AND BINDER COMPOSITION FOR MAGNETIC RECORDING MEDIUM
PROBLEM TO BE SOLVED: To provide a magnetic recording medium having excellent surface smoothness capable of higher density recording.SOLUTION: The magnetic recording medium has a magnetic layer containing a binder and ferromagnetic powder on a nonmagnetic support. The binder contains as a constituen...
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| creator | KOMURA KAZUFUMI |
| description | PROBLEM TO BE SOLVED: To provide a magnetic recording medium having excellent surface smoothness capable of higher density recording.SOLUTION: The magnetic recording medium has a magnetic layer containing a binder and ferromagnetic powder on a nonmagnetic support. The binder contains as a constituent a polymer having a structural unit represented by the general formula (I), and the magnetic layer further contains a phenolic compound. In the general formula (I), Rrepresents a hydrogen atom or methyl group, Xrepresents an oxygen atom, sulfur atom or -N(R)- group, Rrepresents a hydrogen atom or substituent, Lrepresents an alkylene group with or without substituents, and Yrepresents a salt formed of a sulfonate group and an aliphatic tertiary amine. |
| format | Patent |
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The binder contains as a constituent a polymer having a structural unit represented by the general formula (I), and the magnetic layer further contains a phenolic compound. In the general formula (I), Rrepresents a hydrogen atom or methyl group, Xrepresents an oxygen atom, sulfur atom or -N(R)- group, Rrepresents a hydrogen atom or substituent, Lrepresents an alkylene group with or without substituents, and Yrepresents a salt formed of a sulfonate group and an aliphatic tertiary amine.</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>2012</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=20121025&DB=EPODOC&CC=JP&NR=2012208969A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20121025&DB=EPODOC&CC=JP&NR=2012208969A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KOMURA KAZUFUMI</creatorcontrib><title>MAGNETIC RECORDING MEDIUM AND BINDER COMPOSITION FOR MAGNETIC RECORDING MEDIUM</title><description>PROBLEM TO BE SOLVED: To provide a magnetic recording medium having excellent surface smoothness capable of higher density recording.SOLUTION: The magnetic recording medium has a magnetic layer containing a binder and ferromagnetic powder on a nonmagnetic support. The binder contains as a constituent a polymer having a structural unit represented by the general formula (I), and the magnetic layer further contains a phenolic compound. In the general formula (I), Rrepresents a hydrogen atom or methyl group, Xrepresents an oxygen atom, sulfur atom or -N(R)- group, Rrepresents a hydrogen atom or substituent, Lrepresents an alkylene group with or without substituents, and Yrepresents a salt formed of a sulfonate group and an aliphatic tertiary amine.</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>2012</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZPDzdXT3cw3xdFYIcnX2D3Lx9HNX8HV18Qz1VXD0c1Fw8vRzcQ1ScPb3DfAP9gzx9PdTcPMPUsCpiYeBNS0xpziVF0pzMyi5uYY4e-imFuTHpxYXJCan5qWWxHsFGBkYGhkZWFiaWToaE6UIAGP8LuU</recordid><startdate>20121025</startdate><enddate>20121025</enddate><creator>KOMURA KAZUFUMI</creator><scope>EVB</scope></search><sort><creationdate>20121025</creationdate><title>MAGNETIC RECORDING MEDIUM AND BINDER COMPOSITION FOR MAGNETIC RECORDING MEDIUM</title><author>KOMURA KAZUFUMI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2012208969A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2012</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>KOMURA KAZUFUMI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>KOMURA KAZUFUMI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>MAGNETIC RECORDING MEDIUM AND BINDER COMPOSITION FOR MAGNETIC RECORDING MEDIUM</title><date>2012-10-25</date><risdate>2012</risdate><abstract>PROBLEM TO BE SOLVED: To provide a magnetic recording medium having excellent surface smoothness capable of higher density recording.SOLUTION: The magnetic recording medium has a magnetic layer containing a binder and ferromagnetic powder on a nonmagnetic support. 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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 AND BINDER COMPOSITION FOR MAGNETIC RECORDING MEDIUM |
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