JPS5819732A - 磁気記録媒体 - Google Patents
磁気記録媒体Info
- Publication number
- JPS5819732A JPS5819732A JP11683381A JP11683381A JPS5819732A JP S5819732 A JPS5819732 A JP S5819732A JP 11683381 A JP11683381 A JP 11683381A JP 11683381 A JP11683381 A JP 11683381A JP S5819732 A JPS5819732 A JP S5819732A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- recording medium
- magnetic recording
- particles
- molecular weight
- 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.)
- Granted
Links
- 230000005291 magnetic effect Effects 0.000 title claims abstract description 65
- 150000002148 esters Chemical class 0.000 claims abstract description 21
- 239000011248 coating agent Substances 0.000 claims abstract description 18
- 238000000576 coating method Methods 0.000 claims abstract description 18
- 239000011230 binding agent Substances 0.000 claims abstract description 12
- 229920002125 Sokalan® Polymers 0.000 claims description 14
- 239000004584 polyacrylic acid Substances 0.000 claims description 14
- 239000006249 magnetic particle Substances 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 3
- -1 atom compound Chemical class 0.000 claims description 2
- 239000002245 particle Substances 0.000 abstract description 17
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 abstract description 6
- 239000003973 paint Substances 0.000 abstract description 5
- 239000006185 dispersion Substances 0.000 abstract description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 abstract 3
- 239000000696 magnetic material Substances 0.000 abstract 2
- 239000000463 material Substances 0.000 abstract 2
- 229920002554 vinyl polymer Polymers 0.000 abstract 2
- 229920001577 copolymer Polymers 0.000 abstract 1
- 239000003302 ferromagnetic material Substances 0.000 abstract 1
- 239000011347 resin Substances 0.000 abstract 1
- 229920005989 resin Polymers 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 abstract 1
- 230000005294 ferromagnetic effect Effects 0.000 description 14
- 239000003981 vehicle Substances 0.000 description 10
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 6
- 239000000956 alloy Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 230000005415 magnetization Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- IIZPXYDJLKNOIY-JXPKJXOSSA-N 1-palmitoyl-2-arachidonoyl-sn-glycero-3-phosphocholine Chemical compound CCCCCCCCCCCCCCCC(=O)OC[C@H](COP([O-])(=O)OCC[N+](C)(C)C)OC(=O)CCC\C=C/C\C=C/C\C=C/C\C=C/CCCCC IIZPXYDJLKNOIY-JXPKJXOSSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 229940067606 lecithin Drugs 0.000 description 2
- 235000010445 lecithin Nutrition 0.000 description 2
- 239000000787 lecithin Substances 0.000 description 2
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 2
- 235000012424 soybean oil Nutrition 0.000 description 2
- 239000003549 soybean oil Substances 0.000 description 2
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 description 1
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 125000005396 acrylic acid ester group Chemical group 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004128 high performance liquid chromatography Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004576 sand Substances 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
- 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
- G11B5/702—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 the bonding agent
- G11B5/7023—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 the bonding agent containing polyesters, polyethers, silicones, polyvinyl resins, polyacrylresins or epoxy resins
Landscapes
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11683381A JPS5819732A (ja) | 1981-07-25 | 1981-07-25 | 磁気記録媒体 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11683381A JPS5819732A (ja) | 1981-07-25 | 1981-07-25 | 磁気記録媒体 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5819732A true JPS5819732A (ja) | 1983-02-04 |
| JPH039528B2 JPH039528B2 (enrdf_load_stackoverflow) | 1991-02-08 |
Family
ID=14696748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11683381A Granted JPS5819732A (ja) | 1981-07-25 | 1981-07-25 | 磁気記録媒体 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5819732A (enrdf_load_stackoverflow) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5255327A (en) * | 1975-10-31 | 1977-05-06 | Hitachi Ltd | Printer control unit |
| JPS5274312A (en) * | 1975-12-17 | 1977-06-22 | Hitachi Maxell | Magnetic recording media |
| JPS5338305A (en) * | 1976-09-20 | 1978-04-08 | Hitachi Maxell | Magnetic recording material |
| JPS5446515A (en) * | 1977-09-20 | 1979-04-12 | Hitachi Maxell | Magnetic recording medium |
| JPS5446513A (en) * | 1977-09-20 | 1979-04-12 | Hitachi Maxell | Magnetic recording medium |
-
1981
- 1981-07-25 JP JP11683381A patent/JPS5819732A/ja active Granted
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5255327A (en) * | 1975-10-31 | 1977-05-06 | Hitachi Ltd | Printer control unit |
| JPS5274312A (en) * | 1975-12-17 | 1977-06-22 | Hitachi Maxell | Magnetic recording media |
| JPS5338305A (en) * | 1976-09-20 | 1978-04-08 | Hitachi Maxell | Magnetic recording material |
| JPS5446515A (en) * | 1977-09-20 | 1979-04-12 | Hitachi Maxell | Magnetic recording medium |
| JPS5446513A (en) * | 1977-09-20 | 1979-04-12 | Hitachi Maxell | Magnetic recording medium |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH039528B2 (enrdf_load_stackoverflow) | 1991-02-08 |
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