DE2136795C3 - Verfahren zur Herstellung von magnetisierbaren Speichermedien - Google Patents
Verfahren zur Herstellung von magnetisierbaren SpeichermedienInfo
- Publication number
- DE2136795C3 DE2136795C3 DE19712136795 DE2136795A DE2136795C3 DE 2136795 C3 DE2136795 C3 DE 2136795C3 DE 19712136795 DE19712136795 DE 19712136795 DE 2136795 A DE2136795 A DE 2136795A DE 2136795 C3 DE2136795 C3 DE 2136795C3
- Authority
- DE
- Germany
- Prior art keywords
- layer
- magnetic
- binder
- magnetizable
- dispersion
- 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
- 238000003860 storage Methods 0.000 title claims description 16
- 238000000034 method Methods 0.000 title claims description 9
- 238000004519 manufacturing process Methods 0.000 title claims description 5
- 230000008569 process Effects 0.000 title claims description 5
- 239000011230 binding agent Substances 0.000 claims description 28
- 239000000049 pigment Substances 0.000 claims description 18
- 229920000877 Melamine resin Polymers 0.000 claims description 17
- 239000006185 dispersion Substances 0.000 claims description 14
- 239000004848 polyfunctional curative Substances 0.000 claims description 12
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 11
- 229920000570 polyether Polymers 0.000 claims description 11
- 239000004640 Melamine resin Substances 0.000 claims description 10
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 8
- 229920001577 copolymer Polymers 0.000 claims description 8
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 6
- 239000012948 isocyanate Substances 0.000 claims description 4
- 150000002513 isocyanates Chemical group 0.000 claims description 4
- 239000004814 polyurethane Substances 0.000 claims description 4
- 229920002635 polyurethane Polymers 0.000 claims description 4
- 229920006311 Urethane elastomer Polymers 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 230000005291 magnetic effect Effects 0.000 description 25
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 11
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- 239000000203 mixture Substances 0.000 description 9
- 229920000728 polyester Polymers 0.000 description 9
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 8
- 238000005299 abrasion Methods 0.000 description 7
- 239000002245 particle Substances 0.000 description 7
- -1 aliphatic Alcohols Chemical class 0.000 description 6
- 238000001035 drying Methods 0.000 description 6
- 229920000642 polymer Polymers 0.000 description 6
- 239000006247 magnetic powder Substances 0.000 description 5
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 4
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 4
- MBHRHUJRKGNOKX-UHFFFAOYSA-N [(4,6-diamino-1,3,5-triazin-2-yl)amino]methanol Chemical compound NC1=NC(N)=NC(NCO)=N1 MBHRHUJRKGNOKX-UHFFFAOYSA-N 0.000 description 4
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000005415 magnetization Effects 0.000 description 4
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 150000003673 urethanes Chemical class 0.000 description 3
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 description 2
- XLLIQLLCWZCATF-UHFFFAOYSA-N 2-methoxyethyl acetate Chemical compound COCCOC(C)=O XLLIQLLCWZCATF-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- XVEUJTIZHZIHJM-UHFFFAOYSA-N a828782 Chemical compound CCOC(N)=O.CCOC(N)=O XVEUJTIZHZIHJM-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 235000011037 adipic acid Nutrition 0.000 description 2
- 239000001361 adipic acid Substances 0.000 description 2
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 229940090961 chromium dioxide Drugs 0.000 description 2
- IAQWMWUKBQPOIY-UHFFFAOYSA-N chromium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Cr+4] IAQWMWUKBQPOIY-UHFFFAOYSA-N 0.000 description 2
- AYTAKQFHWFYBMA-UHFFFAOYSA-N chromium(IV) oxide Inorganic materials O=[Cr]=O AYTAKQFHWFYBMA-UHFFFAOYSA-N 0.000 description 2
- 239000011362 coarse particle Substances 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 150000002118 epoxides Chemical class 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 235000013980 iron oxide Nutrition 0.000 description 2
- 239000006249 magnetic particle Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000004382 potting Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 description 1
- BNCADMBVWNPPIZ-UHFFFAOYSA-N 2-n,2-n,4-n,4-n,6-n,6-n-hexakis(methoxymethyl)-1,3,5-triazine-2,4,6-triamine Chemical compound COCN(COC)C1=NC(N(COC)COC)=NC(N(COC)COC)=N1 BNCADMBVWNPPIZ-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- JHFFAXNMRSRIQF-UHFFFAOYSA-N C=1C=COC=1.C=1C=COC=1.C=1C=COC=1 Chemical compound C=1C=COC=1.C=1C=COC=1.C=1C=COC=1 JHFFAXNMRSRIQF-UHFFFAOYSA-N 0.000 description 1
- IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical compound OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- YGCOKJWKWLYHTG-UHFFFAOYSA-N [[4,6-bis[bis(hydroxymethyl)amino]-1,3,5-triazin-2-yl]-(hydroxymethyl)amino]methanol Chemical compound OCN(CO)C1=NC(N(CO)CO)=NC(N(CO)CO)=N1 YGCOKJWKWLYHTG-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- CDQSJQSWAWPGKG-UHFFFAOYSA-N butane-1,1-diol Chemical compound CCCC(O)O CDQSJQSWAWPGKG-UHFFFAOYSA-N 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 239000012876 carrier material Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 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
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- QBHZMTFQTRUFIN-UHFFFAOYSA-N pentan-3-one Chemical compound CCC(=O)CC.CCC(=O)CC QBHZMTFQTRUFIN-UHFFFAOYSA-N 0.000 description 1
- 239000013034 phenoxy resin Substances 0.000 description 1
- 229920006287 phenoxy resin Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920001228 polyisocyanate Polymers 0.000 description 1
- 239000005056 polyisocyanate Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 229920013730 reactive polymer Polymers 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000001040 synthetic pigment Substances 0.000 description 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 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
- G11B5/7028—Additives, e.g. crosslinking agents
-
- 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
Landscapes
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712136795 DE2136795C3 (de) | 1971-07-23 | 1971-07-23 | Verfahren zur Herstellung von magnetisierbaren Speichermedien |
| CA142,547A CA977222A (en) | 1971-07-23 | 1972-05-19 | Magnetic storage medium |
| BE785308A BE785308A (fr) | 1971-07-23 | 1972-06-23 | Magnetisch registreermedium |
| NL7209028A NL173450C (nl) | 1971-07-23 | 1972-06-29 | Werkwijze voor het vervaardigen van een magnetisch registreermedium. |
| GB3402472A GB1365647A (en) | 1971-07-23 | 1972-07-20 | Magnetic storage medium |
| IT5166272A IT961500B (it) | 1971-07-23 | 1972-07-21 | Materiale di memorizzazione magne tica a strato |
| FR7226435A FR2147113B1 (enExample) | 1971-07-23 | 1972-07-21 | |
| JP7307272A JPS5528130B1 (enExample) | 1971-07-23 | 1972-07-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712136795 DE2136795C3 (de) | 1971-07-23 | 1971-07-23 | Verfahren zur Herstellung von magnetisierbaren Speichermedien |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2136795A1 DE2136795A1 (de) | 1973-03-15 |
| DE2136795B2 DE2136795B2 (de) | 1977-08-25 |
| DE2136795C3 true DE2136795C3 (de) | 1978-04-27 |
Family
ID=5814549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19712136795 Expired DE2136795C3 (de) | 1971-07-23 | 1971-07-23 | Verfahren zur Herstellung von magnetisierbaren Speichermedien |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5528130B1 (enExample) |
| BE (1) | BE785308A (enExample) |
| CA (1) | CA977222A (enExample) |
| DE (1) | DE2136795C3 (enExample) |
| FR (1) | FR2147113B1 (enExample) |
| GB (1) | GB1365647A (enExample) |
| IT (1) | IT961500B (enExample) |
| NL (1) | NL173450C (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050181089A1 (en) * | 2002-04-15 | 2005-08-18 | Nagase & Co. Ltd | Stamper original and its manufacturing method, stamper and its manufacturing method, and optical disk |
-
1971
- 1971-07-23 DE DE19712136795 patent/DE2136795C3/de not_active Expired
-
1972
- 1972-05-19 CA CA142,547A patent/CA977222A/en not_active Expired
- 1972-06-23 BE BE785308A patent/BE785308A/xx not_active IP Right Cessation
- 1972-06-29 NL NL7209028A patent/NL173450C/xx not_active IP Right Cessation
- 1972-07-20 GB GB3402472A patent/GB1365647A/en not_active Expired
- 1972-07-21 IT IT5166272A patent/IT961500B/it active
- 1972-07-21 FR FR7226435A patent/FR2147113B1/fr not_active Expired
- 1972-07-22 JP JP7307272A patent/JPS5528130B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| NL173450C (nl) | 1984-01-16 |
| GB1365647A (en) | 1974-09-04 |
| NL7209028A (enExample) | 1972-12-27 |
| IT961500B (it) | 1973-12-10 |
| BE785308A (fr) | 1972-12-27 |
| CA977222A (en) | 1975-11-04 |
| DE2136795B2 (de) | 1977-08-25 |
| NL173450B (nl) | 1983-08-16 |
| FR2147113A1 (enExample) | 1973-03-09 |
| FR2147113B1 (enExample) | 1975-10-03 |
| JPS5528130B1 (enExample) | 1980-07-25 |
| DE2136795A1 (de) | 1973-03-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| 8320 | Willingness to grant licences declared (paragraph 23) |