GB1448457A - Magnetic recording media - Google Patents
Magnetic recording mediaInfo
- Publication number
- GB1448457A GB1448457A GB5279073A GB5279073A GB1448457A GB 1448457 A GB1448457 A GB 1448457A GB 5279073 A GB5279073 A GB 5279073A GB 5279073 A GB5279073 A GB 5279073A GB 1448457 A GB1448457 A GB 1448457A
- Authority
- GB
- United Kingdom
- Prior art keywords
- derived
- diisocyanate
- magnetic
- polyurethane
- magnetic recording
- 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
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 abstract 4
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 abstract 3
- 239000004814 polyurethane Substances 0.000 abstract 3
- 229920002635 polyurethane Polymers 0.000 abstract 3
- 239000004721 Polyphenylene oxide Substances 0.000 abstract 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 abstract 2
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 abstract 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 abstract 2
- 229920001577 copolymer Polymers 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- 239000000049 pigment Substances 0.000 abstract 2
- 229920000570 polyether Polymers 0.000 abstract 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 abstract 1
- CPWXVNZFDXZIMS-UHFFFAOYSA-N 1-hydroxypropyl prop-2-enoate Chemical compound CCC(O)OC(=O)C=C CPWXVNZFDXZIMS-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
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 abstract 1
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 abstract 1
- 239000001361 adipic acid Substances 0.000 abstract 1
- 235000011037 adipic acid Nutrition 0.000 abstract 1
- 125000001931 aliphatic group Chemical group 0.000 abstract 1
- 229920003232 aliphatic polyester Polymers 0.000 abstract 1
- 239000011230 binding agent Substances 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 239000008199 coating composition Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 150000004292 cyclic ethers Chemical class 0.000 abstract 1
- 150000001991 dicarboxylic acids Chemical class 0.000 abstract 1
- 125000005442 diisocyanate group Chemical group 0.000 abstract 1
- JXCHMDATRWUOAP-UHFFFAOYSA-N diisocyanatomethylbenzene Chemical compound O=C=NC(N=C=O)C1=CC=CC=C1 JXCHMDATRWUOAP-UHFFFAOYSA-N 0.000 abstract 1
- 235000013870 dimethyl polysiloxane Nutrition 0.000 abstract 1
- 239000004205 dimethyl polysiloxane Substances 0.000 abstract 1
- CZZYITDELCSZES-UHFFFAOYSA-N diphenylmethane Chemical compound C=1C=CC=CC=1CC1=CC=CC=C1 CZZYITDELCSZES-UHFFFAOYSA-N 0.000 abstract 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract 1
- 239000012948 isocyanate Substances 0.000 abstract 1
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 abstract 1
- 150000002513 isocyanates Chemical class 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
- 239000003960 organic solvent Substances 0.000 abstract 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 abstract 1
- 229920000728 polyester Polymers 0.000 abstract 1
- 229920001228 polyisocyanate Polymers 0.000 abstract 1
- 239000005056 polyisocyanate Substances 0.000 abstract 1
- -1 polyoxytetramethylene Polymers 0.000 abstract 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2255802A DE2255802C3 (de) | 1972-11-15 | 1972-11-15 | Schichtmagnetogrammträger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1448457A true GB1448457A (en) | 1976-09-08 |
Family
ID=5861711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5279073A Expired GB1448457A (en) | 1972-11-15 | 1973-11-14 | Magnetic recording media |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5633774B2 (enrdf_load_stackoverflow) |
| BE (1) | BE807421A (enrdf_load_stackoverflow) |
| CA (1) | CA1010309A (enrdf_load_stackoverflow) |
| DE (1) | DE2255802C3 (enrdf_load_stackoverflow) |
| FR (1) | FR2206547B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1448457A (enrdf_load_stackoverflow) |
| IT (1) | IT996447B (enrdf_load_stackoverflow) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2442762C2 (de) * | 1974-09-06 | 1983-02-24 | Basf Ag, 6700 Ludwigshafen | Schichtmagnetogrammträger mit Polyurethanelastomer-Bindemitteln in der Magnetschicht |
| FR2446855A1 (fr) * | 1979-01-19 | 1980-08-14 | Minnesota Mining & Mfg | Revetement de particules fines dans un liant en copolymere sequence de polyurethane et milieu d'enregistrement magnetique comportant un tel revetement |
| DE3127884A1 (de) * | 1981-07-15 | 1983-02-03 | Agfa-Gevaert Ag, 5090 Leverkusen | Magnetisches speichermedium |
| JPS6032142U (ja) * | 1983-08-12 | 1985-03-05 | 株式会社クボタ | 刈取収穫機の前照灯構造 |
| DE3341699A1 (de) * | 1983-11-18 | 1985-05-30 | Basf Ag, 6700 Ludwigshafen | Magnetische aufzeichnungstraeger |
| DE3341698A1 (de) * | 1983-11-18 | 1985-05-30 | Basf Ag, 6700 Ludwigshafen | Magnetische aufzeichnungstraeger |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2899411A (en) * | 1956-07-30 | 1959-08-11 | Polyurethane elastomers from hy- | |
| DE1130612B (de) * | 1961-01-03 | 1962-05-30 | Agfa Ag | Verfahren zur Herstellung von schichtfoermigen Magnetspeichern fuer Schall-, Bild- und Impulsaufzeichnung |
| NL299258A (enrdf_load_stackoverflow) * | 1962-10-15 | 1900-01-01 | ||
| DE1906548A1 (de) * | 1968-02-12 | 1969-09-18 | Fuji Photo Film Co Ltd | Magnetisches Aufzeichnungsmedium |
| DE2101490C3 (de) * | 1971-01-14 | 1978-04-13 | Basf Ag, 6700 Ludwigshafen | Magnetkarten für die Datenerfassung |
-
1972
- 1972-11-15 DE DE2255802A patent/DE2255802C3/de not_active Expired
-
1973
- 1973-11-14 GB GB5279073A patent/GB1448457A/en not_active Expired
- 1973-11-14 IT IT53691/73A patent/IT996447B/it active
- 1973-11-14 CA CA185,731A patent/CA1010309A/en not_active Expired
- 1973-11-14 FR FR7340462A patent/FR2206547B1/fr not_active Expired
- 1973-11-15 JP JP12779873A patent/JPS5633774B2/ja not_active Expired
- 1973-11-16 BE BE137837A patent/BE807421A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| IT996447B (it) | 1975-12-10 |
| BE807421A (fr) | 1974-05-16 |
| CA1010309A (en) | 1977-05-17 |
| DE2255802C3 (de) | 1981-10-15 |
| JPS4982307A (enrdf_load_stackoverflow) | 1974-08-08 |
| DE2255802A1 (de) | 1974-05-22 |
| DE2255802B2 (enrdf_load_stackoverflow) | 1981-01-22 |
| FR2206547B1 (enrdf_load_stackoverflow) | 1977-06-03 |
| JPS5633774B2 (enrdf_load_stackoverflow) | 1981-08-06 |
| FR2206547A1 (enrdf_load_stackoverflow) | 1974-06-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4568612A (en) | Magnetic recording media | |
| GB1511276A (en) | Magnetic recording media containing elastomeric polyurethane binders in the magnetic coating | |
| GB977797A (en) | Improved wear-resistant recording medium | |
| GB1448457A (en) | Magnetic recording media | |
| GB1489436A (en) | Magnetic recording medium containing lubricants | |
| US4567109A (en) | Magnetic recording media | |
| US4363850A (en) | Magnetic recording medium | |
| US4567108A (en) | Magnetic recording media | |
| US5556698A (en) | Magnetic recording medium having a binder containing aminoalkylphosphonate salt functional groups | |
| US4741959A (en) | Magnetic recording medium | |
| US5747630A (en) | Polyurethane binder for a magnetic recording medium | |
| JPS60124022A (ja) | 磁気記録担体 | |
| GB1465814A (en) | Magnetic recording media | |
| US5009960A (en) | Magnetic recording medium prepared with polyurethane resin modified by a bicyclic amide acetal | |
| US5151330A (en) | Magnetic recording medium comprising magnetic particles and a polyurethane resin binder having a polycaprolactone structural unit | |
| US5008147A (en) | Magnetic recording medium | |
| US5415941A (en) | Magnetic recording medium comprising magnetic particles and a specified polyurethane resin | |
| US5153071A (en) | Magnetic recording medium wherein the magnetic layer has as the binder system a vinyl chloride copolymer and a polyether polyurethane resin which contains a ring structure | |
| JP2579501B2 (ja) | 磁気記録媒体用ポリウレタン樹脂 | |
| JPS582417B2 (ja) | ジキキロクタイ | |
| JPH0680527B2 (ja) | 磁気記録媒体 | |
| GB1351543A (en) | Magnetic storage medium | |
| US4404259A (en) | Magnetic recording medium | |
| JPH0256729B2 (enrdf_load_stackoverflow) | ||
| JP3250631B2 (ja) | 磁気記録媒体 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |