JPS6292234A - 磁気記録媒体 - Google Patents
磁気記録媒体Info
- Publication number
- JPS6292234A JPS6292234A JP60231365A JP23136585A JPS6292234A JP S6292234 A JPS6292234 A JP S6292234A JP 60231365 A JP60231365 A JP 60231365A JP 23136585 A JP23136585 A JP 23136585A JP S6292234 A JPS6292234 A JP S6292234A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- vinyl alcohol
- carbon black
- chloride copolymer
- 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.)
- Pending
Links
- 229920001577 copolymer Polymers 0.000 claims abstract description 27
- 239000006229 carbon black Substances 0.000 claims abstract description 22
- 229920002554 vinyl polymer Polymers 0.000 claims abstract description 18
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims abstract description 16
- IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical compound OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 claims description 23
- 239000006247 magnetic powder Substances 0.000 abstract description 7
- 239000003973 paint Substances 0.000 abstract description 7
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 abstract description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 abstract description 6
- 229920006267 polyester film Polymers 0.000 abstract description 3
- 239000000843 powder Substances 0.000 abstract description 3
- 235000021355 Stearic acid Nutrition 0.000 abstract description 2
- 238000003490 calendering Methods 0.000 abstract description 2
- 239000012046 mixed solvent Substances 0.000 abstract description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 abstract description 2
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 abstract description 2
- 239000008117 stearic acid Substances 0.000 abstract description 2
- 230000002463 transducing effect Effects 0.000 abstract 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- 229910052593 corundum Inorganic materials 0.000 abstract 1
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 27
- 235000019241 carbon black Nutrition 0.000 description 19
- 239000011230 binding agent Substances 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 5
- 229920005749 polyurethane resin Polymers 0.000 description 4
- 239000000020 Nitrocellulose Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229920001220 nitrocellulos Polymers 0.000 description 3
- 235000014113 dietary fatty acids Nutrition 0.000 description 2
- 239000000194 fatty acid Substances 0.000 description 2
- 229930195729 fatty acid Natural products 0.000 description 2
- 239000005995 Aluminium silicate Substances 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 239000002280 amphoteric surfactant Substances 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- -1 fatty acid esters Chemical class 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 229940057995 liquid paraffin Drugs 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920002545 silicone oil 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
- G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
- G11B5/735—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer characterised by the back layer
Landscapes
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60231365A JPS6292234A (ja) | 1985-10-18 | 1985-10-18 | 磁気記録媒体 |
| KR1019860008524A KR900004751B1 (ko) | 1985-10-18 | 1986-10-11 | 자기 기록 매체 |
| DE19863635424 DE3635424A1 (de) | 1985-10-18 | 1986-10-17 | Magnetisches aufzeichnungsmedium mit einer rueckueberzugsschicht aus russ in einem vinylalkohol/vinylchloridharz |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60231365A JPS6292234A (ja) | 1985-10-18 | 1985-10-18 | 磁気記録媒体 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6292234A true JPS6292234A (ja) | 1987-04-27 |
Family
ID=16922477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60231365A Pending JPS6292234A (ja) | 1985-10-18 | 1985-10-18 | 磁気記録媒体 |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS6292234A (enrdf_load_stackoverflow) |
| KR (1) | KR900004751B1 (enrdf_load_stackoverflow) |
| DE (1) | DE3635424A1 (enrdf_load_stackoverflow) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS567233A (en) * | 1979-06-25 | 1981-01-24 | Tdk Corp | Magnetic recording medium |
| JPS57208636A (en) * | 1981-06-19 | 1982-12-21 | Tdk Corp | Magnetic recording medium |
-
1985
- 1985-10-18 JP JP60231365A patent/JPS6292234A/ja active Pending
-
1986
- 1986-10-11 KR KR1019860008524A patent/KR900004751B1/ko not_active Expired
- 1986-10-17 DE DE19863635424 patent/DE3635424A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| KR900004751B1 (ko) | 1990-07-05 |
| DE3635424A1 (de) | 1987-04-23 |
| DE3635424C2 (enrdf_load_stackoverflow) | 1989-12-07 |
| KR870004403A (ko) | 1987-05-09 |
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