JPH0467689B2 - - Google Patents
Info
- Publication number
- JPH0467689B2 JPH0467689B2 JP59124330A JP12433084A JPH0467689B2 JP H0467689 B2 JPH0467689 B2 JP H0467689B2 JP 59124330 A JP59124330 A JP 59124330A JP 12433084 A JP12433084 A JP 12433084A JP H0467689 B2 JPH0467689 B2 JP H0467689B2
- Authority
- JP
- Japan
- Prior art keywords
- carbon black
- magnetic
- graphitized
- parts
- graphitized carbon
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000006229 carbon black Substances 0.000 claims description 62
- 239000002245 particle Substances 0.000 claims description 46
- 235000019241 carbon black Nutrition 0.000 description 61
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 20
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 18
- 239000006247 magnetic powder Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 11
- 229910002804 graphite Inorganic materials 0.000 description 10
- 239000000314 lubricant Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- 239000003973 paint Substances 0.000 description 10
- 239000010439 graphite Substances 0.000 description 9
- 238000010521 absorption reaction Methods 0.000 description 8
- 229910052799 carbon Inorganic materials 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 239000003921 oil Substances 0.000 description 8
- 239000007787 solid Substances 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- 239000006185 dispersion Substances 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 230000001050 lubricating effect Effects 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 230000035945 sensitivity Effects 0.000 description 6
- 235000021355 Stearic acid Nutrition 0.000 description 5
- 239000013078 crystal Substances 0.000 description 5
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 5
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 5
- 239000003960 organic solvent Substances 0.000 description 5
- 239000008117 stearic acid Substances 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 235000014113 dietary fatty acids Nutrition 0.000 description 4
- 239000000194 fatty acid Substances 0.000 description 4
- 229930195729 fatty acid Natural products 0.000 description 4
- 150000004665 fatty acids Chemical class 0.000 description 4
- 125000000524 functional group Chemical group 0.000 description 4
- 238000005461 lubrication Methods 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- 238000004438 BET method Methods 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- -1 isocyanate compounds Chemical class 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 241000872198 Serjania polyphylla Species 0.000 description 2
- 229910001566 austenite Inorganic materials 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 239000012948 isocyanate Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical group C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000011049 pearl Substances 0.000 description 2
- 229920005749 polyurethane resin Polymers 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- TUNFSRHWOTWDNC-HKGQFRNVSA-N tetradecanoic acid Chemical compound CCCCCCCCCCCCC[14C](O)=O TUNFSRHWOTWDNC-HKGQFRNVSA-N 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 239000003093 cationic surfactant Substances 0.000 description 1
- 239000012461 cellulose resin Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 125000000686 lactone group Chemical group 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000006249 magnetic particle Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 1
- 229910052982 molybdenum disulfide Inorganic materials 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 125000004151 quinonyl group Chemical group 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/62—Record carriers characterised by the selection of the material
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/708—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by addition of non-magnetic particles to the layer
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/90—Magnetic feature
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
- Y10T428/2991—Coated
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/30—Self-sustaining carbon mass or layer with impregnant or other layer
Landscapes
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59124330A JPS613318A (ja) | 1984-06-15 | 1984-06-15 | 磁気記録媒体 |
| KR1019850003919A KR930002483B1 (ko) | 1984-06-15 | 1985-06-05 | 자기기록매체 |
| DE8585304321T DE3573347D1 (en) | 1984-06-15 | 1985-06-17 | Magnetic recording medium |
| EP85304321A EP0165076B1 (en) | 1984-06-15 | 1985-06-17 | Magnetic recording medium |
| US06/744,970 US4774147A (en) | 1984-06-15 | 1985-06-17 | Magnetic recording medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59124330A JPS613318A (ja) | 1984-06-15 | 1984-06-15 | 磁気記録媒体 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS613318A JPS613318A (ja) | 1986-01-09 |
| JPH0467689B2 true JPH0467689B2 (US20080094685A1-20080424-C00004.png) | 1992-10-29 |
Family
ID=14882663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59124330A Granted JPS613318A (ja) | 1984-06-15 | 1984-06-15 | 磁気記録媒体 |
Country Status (5)
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62185237A (ja) * | 1986-02-10 | 1987-08-13 | Matsushita Electric Ind Co Ltd | 磁気記録媒体 |
| US4888215A (en) * | 1987-01-30 | 1989-12-19 | Tokai Carbon Co., Ltd. | Carbonaceous granular heat insulator and process for preparing the same |
| JP2817070B2 (ja) * | 1991-09-06 | 1998-10-27 | 富士写真フイルム株式会社 | 磁気記録媒体 |
| US5374463A (en) * | 1991-10-22 | 1994-12-20 | International Business Machines Corporation | Magnetic recording disk having a contiguous fullerene film and a protective overcoat |
| JP2817502B2 (ja) * | 1992-03-25 | 1998-10-30 | 日本電気株式会社 | 磁気記憶体 |
| DE69704042T2 (de) * | 1996-09-24 | 2001-09-20 | Petoca Ltd., Tokio/Tokyo | An der Oberfläche graphitiertes Kohlenstoffmaterial, Verfahren zu seiner Herstellung und dieses verwendende Negativelektrode für Lithium-Ionen-Sekundärbatterie |
| US6051308A (en) * | 1997-04-08 | 2000-04-18 | Mitsubishi Chemical Corporation | Magnetic recording medium and process for its production |
| US6458453B1 (en) | 1999-04-30 | 2002-10-01 | Toda Kogyo Corporation | Magnetic recording medium |
| JP3972523B2 (ja) * | 1999-07-07 | 2007-09-05 | 松下電器産業株式会社 | カーボンペースト |
| US6827772B2 (en) | 2002-05-24 | 2004-12-07 | Cabot Corporation | Carbon black and compositions containing same |
| CN100426383C (zh) * | 2005-09-02 | 2008-10-15 | 鸿富锦精密工业（深圳）有限公司 | 磁记录介质及其制作方法 |
| CN102576181B (zh) * | 2009-10-29 | 2015-06-03 | 木本股份有限公司 | 光学设备用遮光部件 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5288307A (en) * | 1976-01-20 | 1977-07-23 | Fuji Photo Film Co Ltd | Magnetic recording medium |
| JPS5919231A (ja) * | 1982-07-26 | 1984-01-31 | Fuji Photo Film Co Ltd | 磁気記録体 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52108804A (en) * | 1976-03-10 | 1977-09-12 | Fuji Photo Film Co Ltd | Magnetic recording material |
| JPS5651027A (en) * | 1979-10-02 | 1981-05-08 | Hitachi Maxell Ltd | Magnetic recording medium |
| JPS5919234A (ja) * | 1982-07-26 | 1984-01-31 | Fuji Photo Film Co Ltd | 磁気記録体 |
| JPS5928232A (ja) * | 1982-08-09 | 1984-02-14 | Victor Co Of Japan Ltd | 磁気記録媒体 |
-
1984
- 1984-06-15 JP JP59124330A patent/JPS613318A/ja active Granted
-
1985
- 1985-06-05 KR KR1019850003919A patent/KR930002483B1/ko not_active IP Right Cessation
- 1985-06-17 EP EP85304321A patent/EP0165076B1/en not_active Expired
- 1985-06-17 DE DE8585304321T patent/DE3573347D1/de not_active Expired
- 1985-06-17 US US06/744,970 patent/US4774147A/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5288307A (en) * | 1976-01-20 | 1977-07-23 | Fuji Photo Film Co Ltd | Magnetic recording medium |
| JPS5919231A (ja) * | 1982-07-26 | 1984-01-31 | Fuji Photo Film Co Ltd | 磁気記録体 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR860000632A (ko) | 1986-01-29 |
| JPS613318A (ja) | 1986-01-09 |
| DE3573347D1 (en) | 1989-11-02 |
| US4774147A (en) | 1988-09-27 |
| EP0165076B1 (en) | 1989-09-27 |
| EP0165076A3 (en) | 1987-10-07 |
| KR930002483B1 (ko) | 1993-04-02 |
| EP0165076A2 (en) | 1985-12-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |