GB1489152A - Composition for coating magnetic tapes - Google Patents
Composition for coating magnetic tapesInfo
- Publication number
- GB1489152A GB1489152A GB22857/75A GB2285775A GB1489152A GB 1489152 A GB1489152 A GB 1489152A GB 22857/75 A GB22857/75 A GB 22857/75A GB 2285775 A GB2285775 A GB 2285775A GB 1489152 A GB1489152 A GB 1489152A
- Authority
- GB
- United Kingdom
- Prior art keywords
- composition
- particles
- sulphonium
- cyclic
- tape
- 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
Links
- 239000000203 mixture Substances 0.000 title abstract 8
- 239000011248 coating agent Substances 0.000 title abstract 2
- 238000000576 coating method Methods 0.000 title abstract 2
- 150000001875 compounds Chemical class 0.000 abstract 4
- 125000004122 cyclic group Chemical group 0.000 abstract 3
- RWSOTUBLDIXVET-UHFFFAOYSA-O sulfonium Chemical compound [SH3+] RWSOTUBLDIXVET-UHFFFAOYSA-O 0.000 abstract 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 abstract 2
- 238000010438 heat treatment Methods 0.000 abstract 2
- 239000006249 magnetic particle Substances 0.000 abstract 2
- 239000002245 particle Substances 0.000 abstract 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 abstract 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 150000003863 ammonium salts Chemical class 0.000 abstract 1
- 239000011230 binding agent Substances 0.000 abstract 1
- 229940090961 chromium dioxide Drugs 0.000 abstract 1
- IAQWMWUKBQPOIY-UHFFFAOYSA-N chromium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Cr+4] IAQWMWUKBQPOIY-UHFFFAOYSA-N 0.000 abstract 1
- AYTAKQFHWFYBMA-UHFFFAOYSA-N chromium(IV) oxide Inorganic materials O=[Cr]=O AYTAKQFHWFYBMA-UHFFFAOYSA-N 0.000 abstract 1
- 239000002270 dispersing agent Substances 0.000 abstract 1
- 239000006185 dispersion Substances 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 229910052725 zinc Inorganic materials 0.000 abstract 1
- 239000011701 zinc Substances 0.000 abstract 1
- 229910000859 α-Fe Inorganic materials 0.000 abstract 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
Landscapes
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US479958A US3901816A (en) | 1974-06-17 | 1974-06-17 | Magnetic tape coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1489152A true GB1489152A (en) | 1977-10-19 |
Family
ID=23906120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB22857/75A Expired GB1489152A (en) | 1974-06-17 | 1975-05-23 | Composition for coating magnetic tapes |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3901816A (enExample) |
| JP (1) | JPS5114006A (enExample) |
| DE (1) | DE2526793A1 (enExample) |
| FR (1) | FR2274987A1 (enExample) |
| GB (1) | GB1489152A (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2188641A (en) * | 1983-04-22 | 1987-10-07 | Ici Plc | Article having magnetic properties and production thereof |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0039165B1 (en) * | 1980-04-17 | 1985-07-03 | Minnesota Mining And Manufacturing Company | Polyfunctional aziridine crosslinking agents for aqueous magnetic recording media binder |
| US4490505A (en) * | 1980-04-17 | 1984-12-25 | Minnesota Mining And Manufacturing Company | Polyfunctional aziridine crosslinking agents for aqueous magnetic recording media binder |
| JPS5720926A (en) * | 1980-07-11 | 1982-02-03 | Hitachi Ltd | Manufacture of magnetic disk |
| JPS5864627A (ja) * | 1981-10-15 | 1983-04-18 | Sony Corp | 磁気記録媒体 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3072577A (en) * | 1958-12-19 | 1963-01-08 | Ibm | Moisture set magnetic inks |
| US3634252A (en) * | 1970-06-22 | 1972-01-11 | Du Pont | Chromium dioxide recording compositions stabilized with long-chain ammonium salts |
| US3725285A (en) * | 1970-06-24 | 1973-04-03 | Ibm | Magnetic coating compositions |
| US3795539A (en) * | 1971-06-23 | 1974-03-05 | Adm Tronics | Water-based binder for magnetic tape |
| BE787601A (fr) * | 1971-08-16 | 1973-02-16 | Dow Chemical Co | Compositions aqueuses d'amphions sulfoniques cycliques et de sols colloidaux, destinees aux revetements |
| US3749739A (en) * | 1971-12-07 | 1973-07-31 | Dow Chemical Co | Poly(hydroxyarylpolymethylenesulfonium)zwitterionic monomers and surface coatings therefrom |
| US3804797A (en) * | 1972-09-13 | 1974-04-16 | Dow Chemical Co | Coating compositions comprising cyclic sulfonium zwitterions with carboxy containing polymers |
-
1974
- 1974-06-17 US US479958A patent/US3901816A/en not_active Expired - Lifetime
-
1975
- 1975-05-23 GB GB22857/75A patent/GB1489152A/en not_active Expired
- 1975-06-16 FR FR7518788A patent/FR2274987A1/fr active Granted
- 1975-06-16 DE DE19752526793 patent/DE2526793A1/de active Pending
- 1975-06-16 JP JP50073013A patent/JPS5114006A/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2188641A (en) * | 1983-04-22 | 1987-10-07 | Ici Plc | Article having magnetic properties and production thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2526793A1 (de) | 1976-01-02 |
| JPS5114006A (enExample) | 1976-02-04 |
| US3901816A (en) | 1975-08-26 |
| FR2274987A1 (fr) | 1976-01-09 |
| FR2274987B1 (enExample) | 1979-06-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] |