GB1445152A - Manufacture of flexible magnetic recording media - Google Patents
Manufacture of flexible magnetic recording mediaInfo
- Publication number
- GB1445152A GB1445152A GB4066773A GB4066773A GB1445152A GB 1445152 A GB1445152 A GB 1445152A GB 4066773 A GB4066773 A GB 4066773A GB 4066773 A GB4066773 A GB 4066773A GB 1445152 A GB1445152 A GB 1445152A
- Authority
- GB
- United Kingdom
- Prior art keywords
- magnetic
- coating
- isocyanate groups
- react
- groups
- 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
- 230000005291 magnetic effect Effects 0.000 title abstract 14
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000576 coating method Methods 0.000 abstract 10
- 239000011248 coating agent Substances 0.000 abstract 9
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 abstract 6
- 229920001577 copolymer Polymers 0.000 abstract 5
- 239000011230 binding agent Substances 0.000 abstract 4
- 239000002270 dispersing agent Substances 0.000 abstract 3
- 239000000049 pigment Substances 0.000 abstract 3
- XDOFQFKRPWOURC-UHFFFAOYSA-N 16-methylheptadecanoic acid Chemical compound CC(C)CCCCCCCCCCCCCCC(O)=O XDOFQFKRPWOURC-UHFFFAOYSA-N 0.000 abstract 2
- 239000000654 additive Substances 0.000 abstract 2
- 239000006185 dispersion Substances 0.000 abstract 2
- 229910052751 metal Inorganic materials 0.000 abstract 2
- 239000002184 metal Substances 0.000 abstract 2
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid group Chemical group C(CCCCCCC\C=C/CCCCCCCC)(=O)O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 abstract 2
- 229920001567 vinyl ester resin Polymers 0.000 abstract 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 abstract 2
- 229920002554 vinyl polymer Polymers 0.000 abstract 2
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 abstract 1
- LGXVIGDEPROXKC-UHFFFAOYSA-N 1,1-dichloroethene Chemical group ClC(Cl)=C LGXVIGDEPROXKC-UHFFFAOYSA-N 0.000 abstract 1
- 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 abstract 1
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 abstract 1
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 abstract 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 abstract 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical group OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 abstract 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 abstract 1
- GYCMBHHDWRMZGG-UHFFFAOYSA-N Methylacrylonitrile Chemical compound CC(=C)C#N GYCMBHHDWRMZGG-UHFFFAOYSA-N 0.000 abstract 1
- 239000005642 Oleic acid Substances 0.000 abstract 1
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 abstract 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract 1
- 235000021355 Stearic acid Nutrition 0.000 abstract 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 abstract 1
- 238000003490 calendering Methods 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- 239000003795 chemical substances by application 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
- 235000014113 dietary fatty acids Nutrition 0.000 abstract 1
- LDCRTTXIJACKKU-ARJAWSKDSA-N dimethyl maleate Chemical compound COC(=O)\C=C/C(=O)OC LDCRTTXIJACKKU-ARJAWSKDSA-N 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 239000000194 fatty acid Substances 0.000 abstract 1
- 229930195729 fatty acid Natural products 0.000 abstract 1
- 150000004665 fatty acids Chemical class 0.000 abstract 1
- 230000005294 ferromagnetic effect Effects 0.000 abstract 1
- 239000012530 fluid Substances 0.000 abstract 1
- 230000007062 hydrolysis Effects 0.000 abstract 1
- 238000006460 hydrolysis reaction Methods 0.000 abstract 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 abstract 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 abstract 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 abstract 1
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 abstract 1
- 239000000787 lecithin Substances 0.000 abstract 1
- 229940067606 lecithin Drugs 0.000 abstract 1
- 235000010445 lecithin Nutrition 0.000 abstract 1
- 239000000314 lubricant Substances 0.000 abstract 1
- 239000006249 magnetic particle Substances 0.000 abstract 1
- 229910001092 metal group alloy Inorganic materials 0.000 abstract 1
- 150000002739 metals Chemical class 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 abstract 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 abstract 1
- 239000003921 oil Substances 0.000 abstract 1
- 235000021313 oleic acid Nutrition 0.000 abstract 1
- 239000003960 organic solvent Substances 0.000 abstract 1
- 229920003023 plastic Polymers 0.000 abstract 1
- 239000004033 plastic Substances 0.000 abstract 1
- -1 polyethylene terephthalate Polymers 0.000 abstract 1
- 229920000139 polyethylene terephthalate Polymers 0.000 abstract 1
- 239000005020 polyethylene terephthalate Substances 0.000 abstract 1
- 229920001228 polyisocyanate Polymers 0.000 abstract 1
- 239000005056 polyisocyanate Substances 0.000 abstract 1
- 150000004760 silicates Chemical class 0.000 abstract 1
- 239000010703 silicon Substances 0.000 abstract 1
- 229910052710 silicon Inorganic materials 0.000 abstract 1
- 239000000344 soap Substances 0.000 abstract 1
- 239000008117 stearic acid Substances 0.000 abstract 1
- 238000004381 surface treatment Methods 0.000 abstract 1
- 239000000454 talc Substances 0.000 abstract 1
- 229910052623 talc Inorganic materials 0.000 abstract 1
- 229920001169 thermoplastic Polymers 0.000 abstract 1
- 239000004416 thermosoftening plastic Substances 0.000 abstract 1
- 239000001993 wax Substances 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
- G11B5/7021—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 a polyurethane or a polyisocyanate
- G11B5/7022—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 a polyurethane or a polyisocyanate containing mixtures of polyurethanes or polyisocyanates with other polymers
-
- 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
Landscapes
- Paints Or Removers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2242499A DE2242499C3 (de) | 1972-08-30 | 1972-08-30 | Verfahren zum Herstellen von flexiblen Schichtmagnetogrammträgern |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1445152A true GB1445152A (en) | 1976-08-04 |
Family
ID=5854917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4066773A Expired GB1445152A (en) | 1972-08-30 | 1973-08-29 | Manufacture of flexible magnetic recording media |
Country Status (6)
| Country | Link |
|---|---|
| CA (1) | CA995068A (enrdf_load_stackoverflow) |
| DE (1) | DE2242499C3 (enrdf_load_stackoverflow) |
| FR (1) | FR2198201B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1445152A (enrdf_load_stackoverflow) |
| IT (1) | IT990349B (enrdf_load_stackoverflow) |
| NL (1) | NL185313C (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2159731A (en) * | 1984-06-08 | 1985-12-11 | Tdk Corp | Magnetic recording medium for image recording |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE617295A (nl) * | 1962-01-22 | 1962-10-29 | Gevaert Photo Prod Nv | Magnetisch registreermateriaal. |
| GB1006140A (en) * | 1963-07-26 | 1965-09-29 | Gevaert Photo Prod Nv | Magnetic recording medium |
| NL131590C (enrdf_load_stackoverflow) * | 1963-09-13 | 1900-01-01 | ||
| US3493567A (en) * | 1968-01-22 | 1970-02-03 | Dart Ind Inc | Substituted diazocinophenothiazines |
| GB1305392A (enrdf_load_stackoverflow) * | 1969-03-14 | 1973-01-31 |
-
1972
- 1972-08-30 DE DE2242499A patent/DE2242499C3/de not_active Expired
-
1973
- 1973-08-28 CA CA179,850A patent/CA995068A/en not_active Expired
- 1973-08-28 NL NLAANVRAGE7311836,A patent/NL185313C/xx not_active IP Right Cessation
- 1973-08-29 IT IT52228/73A patent/IT990349B/it active
- 1973-08-29 GB GB4066773A patent/GB1445152A/en not_active Expired
- 1973-08-30 FR FR7331406A patent/FR2198201B1/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2159731A (en) * | 1984-06-08 | 1985-12-11 | Tdk Corp | Magnetic recording medium for image recording |
Also Published As
| Publication number | Publication date |
|---|---|
| NL185313B (nl) | 1989-10-02 |
| FR2198201A1 (enrdf_load_stackoverflow) | 1974-03-29 |
| CA995068A (en) | 1976-08-17 |
| NL185313C (nl) | 1990-03-01 |
| DE2242499B2 (de) | 1980-11-13 |
| DE2242499A1 (de) | 1974-03-07 |
| DE2242499C3 (de) | 1981-08-20 |
| FR2198201B1 (enrdf_load_stackoverflow) | 1977-05-13 |
| IT990349B (it) | 1975-06-20 |
| NL7311836A (enrdf_load_stackoverflow) | 1974-03-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |