JPH039531B2 - - Google Patents
Info
- Publication number
- JPH039531B2 JPH039531B2 JP57163102A JP16310282A JPH039531B2 JP H039531 B2 JPH039531 B2 JP H039531B2 JP 57163102 A JP57163102 A JP 57163102A JP 16310282 A JP16310282 A JP 16310282A JP H039531 B2 JPH039531 B2 JP H039531B2
- Authority
- JP
- Japan
- Prior art keywords
- carbon black
- adsorbed
- weight
- magnetic
- titanium dioxide
- 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
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 46
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 30
- 229910052799 carbon Inorganic materials 0.000 claims description 30
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims description 23
- 239000004408 titanium dioxide Substances 0.000 claims description 23
- 239000006247 magnetic powder Substances 0.000 claims description 16
- 239000006229 carbon black Substances 0.000 description 26
- 239000000203 mixture Substances 0.000 description 7
- 239000011651 chromium Substances 0.000 description 6
- 230000005347 demagnetization Effects 0.000 description 6
- 229910010413 TiO 2 Inorganic materials 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 229910000423 chromium oxide Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000003973 paint Substances 0.000 description 4
- 238000002834 transmittance Methods 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 230000007257 malfunction Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000001172 regenerating effect Effects 0.000 description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 241000872198 Serjania polyphylla Species 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- JQWAHKMIYCERGA-UHFFFAOYSA-N (2-nonanoyloxy-3-octadeca-9,12-dienoyloxypropoxy)-[2-(trimethylazaniumyl)ethyl]phosphinate Chemical compound CCCCCCCCC(=O)OC(COP([O-])(=O)CC[N+](C)(C)C)COC(=O)CCCCCCCC=CCC=CCCCCC JQWAHKMIYCERGA-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical group [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 239000002156 adsorbate Substances 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 229920003225 polyurethane elastomer Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000003068 static effect Effects 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
- G11B5/708—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
Landscapes
- Inorganic Compounds Of Heavy Metals (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57163102A JPS5954036A (ja) | 1982-09-21 | 1982-09-21 | 磁気記録媒体 |
| US06/521,577 US4595631A (en) | 1982-08-10 | 1983-08-09 | Magnetic recording media comprising carbon black-adsorbed metal oxide particles in a magnetic recording layer |
| DE3328719A DE3328719C2 (de) | 1982-08-10 | 1983-08-09 | Magnetisches Aufzeichnungsmaterial |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57163102A JPS5954036A (ja) | 1982-09-21 | 1982-09-21 | 磁気記録媒体 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5954036A JPS5954036A (ja) | 1984-03-28 |
| JPH039531B2 true JPH039531B2 (nl) | 1991-02-08 |
Family
ID=15767206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57163102A Granted JPS5954036A (ja) | 1982-08-10 | 1982-09-21 | 磁気記録媒体 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5954036A (nl) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4557102B2 (ja) * | 1999-11-15 | 2010-10-06 | 戸田工業株式会社 | 磁気記録媒体用針状磁性粒子粉末及び該針状磁性粒子粉末を用いた磁気記録媒体 |
| JP4506911B2 (ja) * | 1999-11-16 | 2010-07-21 | 戸田工業株式会社 | 磁気記録媒体 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5613525A (en) * | 1979-07-16 | 1981-02-09 | Tdk Corp | Magnetic recording medium |
| JPS5724026A (en) * | 1980-07-16 | 1982-02-08 | Tdk Corp | Magnetic recording medium |
| JPS5724027A (en) * | 1980-07-16 | 1982-02-08 | Tdk Corp | Magnetic recording medium |
-
1982
- 1982-09-21 JP JP57163102A patent/JPS5954036A/ja active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5613525A (en) * | 1979-07-16 | 1981-02-09 | Tdk Corp | Magnetic recording medium |
| JPS5724026A (en) * | 1980-07-16 | 1982-02-08 | Tdk Corp | Magnetic recording medium |
| JPS5724027A (en) * | 1980-07-16 | 1982-02-08 | Tdk Corp | Magnetic recording medium |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5954036A (ja) | 1984-03-28 |
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