DE68917208D1 - Bindemittel für magnetische Aufzeichnungsträger und magnetische Aufzeichnungsträger. - Google Patents
Bindemittel für magnetische Aufzeichnungsträger und magnetische Aufzeichnungsträger.Info
- Publication number
- DE68917208D1 DE68917208D1 DE68917208T DE68917208T DE68917208D1 DE 68917208 D1 DE68917208 D1 DE 68917208D1 DE 68917208 T DE68917208 T DE 68917208T DE 68917208 T DE68917208 T DE 68917208T DE 68917208 D1 DE68917208 D1 DE 68917208D1
- Authority
- DE
- Germany
- Prior art keywords
- magnetic recording
- recording media
- binder
- media
- magnetic
- 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 - Fee Related
Links
- 239000011230 binding agent Substances 0.000 title 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
-
- 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
- G11B5/7023—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 polyesters, polyethers, silicones, polyvinyl resins, polyacrylresins or epoxy resins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/90—Magnetic feature
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
- Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
- Y10T428/264—Up to 3 mils
- Y10T428/265—1 mil or less
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
- Y10T428/31609—Particulate metal or metal compound-containing
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13097088 | 1988-05-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68917208D1 true DE68917208D1 (de) | 1994-09-08 |
DE68917208T2 DE68917208T2 (de) | 1995-01-05 |
Family
ID=15046864
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1989617208 Expired - Fee Related DE68917208T2 (de) | 1988-05-27 | 1989-05-23 | Bindemittel für magnetische Aufzeichnungsträger und magnetische Aufzeichnungsträger. |
Country Status (7)
Country | Link |
---|---|
US (1) | US5401571A (de) |
EP (1) | EP0343576B1 (de) |
JP (1) | JP2802389B2 (de) |
KR (1) | KR0127305B1 (de) |
AU (1) | AU616516B2 (de) |
CA (1) | CA1338676C (de) |
DE (1) | DE68917208T2 (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02108228A (ja) * | 1988-10-18 | 1990-04-20 | Konica Corp | 磁気記録媒体 |
JP2660589B2 (ja) * | 1989-12-18 | 1997-10-08 | 日本ポリウレタン工業株式会社 | 磁気記録媒体用ポリウレタン樹脂バインダーの製造方法 |
JP2651729B2 (ja) * | 1989-12-29 | 1997-09-10 | 日本ポリウレタン工業株式会社 | 磁気記録媒体用ポリウレタン樹脂バインダーの製造方法 |
US5415941A (en) * | 1990-12-25 | 1995-05-16 | Toyo Boseki Kabushiki Kaisha | Magnetic recording medium comprising magnetic particles and a specified polyurethane resin |
JPH04286716A (ja) * | 1991-03-15 | 1992-10-12 | Teijin Memory Media Kk | 可撓性磁気ディスク |
US5652320A (en) * | 1994-10-11 | 1997-07-29 | Sanyo Chemical Industries, Ltd. | Polymer containing N-sulfoamino group, fiber formed therefrom, and magnetic recording medium containing the same |
US5654480A (en) * | 1995-05-19 | 1997-08-05 | Rhone-Poulenc Surfactants & Specialties, L.P. | Recovery and reuse of surfactants from aqueous solutions |
US6013185A (en) * | 1997-09-25 | 2000-01-11 | Rhodia Inc. | Recovery and reuse of nonionic surfactants from aqueous solutions |
DE10064889A1 (de) | 2000-12-23 | 2002-07-18 | Agfa Gevaert Nv | Aufzeichnungsmaterial mit negativ arbeitender, strahlungsempfindlicher Schicht, die Zusätze zur Förderung der Entwickelbarkeit enthält |
JP3927469B2 (ja) * | 2002-08-12 | 2007-06-06 | 日本電産株式会社 | 自動平衡装置及びその製造方法 |
US9808560B2 (en) | 2013-03-01 | 2017-11-07 | University of Pittsburgh—of the Commonwealth System of Higher Education | Biodegradable, non-thrombogenic elastomeric polyurethanes |
WO2023224879A1 (en) * | 2022-05-16 | 2023-11-23 | Trustees Of Tufts College | Cross-linkable and charged zwitterionic polymers and membranes comprising same |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3411912A (en) * | 1965-04-21 | 1968-11-19 | Eastman Kodak Co | Novel polymers and their use in photographic applications |
JPS5329188B2 (de) * | 1974-04-10 | 1978-08-18 | ||
JPS523815B2 (de) * | 1974-04-10 | 1977-01-31 | ||
US4152485A (en) * | 1977-08-05 | 1979-05-01 | Toyo Boseki Kabushiki Kaisha | Magnetic recording medium |
JPS58108595U (ja) * | 1982-01-16 | 1983-07-23 | ヤンマー農機株式会社 | 作業用機械 |
JPS58179936A (ja) * | 1982-04-14 | 1983-10-21 | Konishiroku Photo Ind Co Ltd | 磁気記録媒体 |
DE3303156A1 (de) * | 1983-01-31 | 1984-08-02 | Hoechst Ag, 6230 Frankfurt | Weichmacherhaltige polyvinylbutyralfolien mit reduziertem haftvermoegen an glas |
US4507458A (en) * | 1983-04-14 | 1985-03-26 | Takeda Chemical Industries, Ltd. | Urethane acrylate compositions |
JP2557615B2 (ja) * | 1983-09-16 | 1996-11-27 | ティーディーケイ株式会社 | 磁気記録媒体及びその製造方法 |
GB8402801D0 (en) * | 1984-02-02 | 1984-03-07 | Ici Plc | Dispersion |
JPS626429A (ja) * | 1985-07-02 | 1987-01-13 | Sony Corp | 磁気記録媒体 |
JPH0740345B2 (ja) * | 1985-10-15 | 1995-05-01 | ソニー株式会社 | 磁気記録媒体 |
AU2280888A (en) * | 1987-10-12 | 1989-04-13 | Takeda Chemical Industries Ltd. | Polyurethane resins having mercapto groups, use in magnetic recording medium |
JPH01223624A (ja) * | 1988-03-02 | 1989-09-06 | Hitachi Maxell Ltd | 磁気記録媒体 |
-
1989
- 1989-05-16 AU AU34834/89A patent/AU616516B2/en not_active Ceased
- 1989-05-18 CA CA 600049 patent/CA1338676C/en not_active Expired - Fee Related
- 1989-05-23 DE DE1989617208 patent/DE68917208T2/de not_active Expired - Fee Related
- 1989-05-23 EP EP19890109216 patent/EP0343576B1/de not_active Expired - Lifetime
- 1989-05-26 JP JP13326989A patent/JP2802389B2/ja not_active Expired - Lifetime
- 1989-05-27 KR KR1019890007109A patent/KR0127305B1/ko not_active IP Right Cessation
-
1991
- 1991-03-07 US US07/668,799 patent/US5401571A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA1338676C (en) | 1996-10-22 |
US5401571A (en) | 1995-03-28 |
DE68917208T2 (de) | 1995-01-05 |
EP0343576B1 (de) | 1994-08-03 |
AU3483489A (en) | 1989-11-30 |
KR900018921A (ko) | 1990-12-22 |
JPH0256719A (ja) | 1990-02-26 |
AU616516B2 (en) | 1991-10-31 |
EP0343576A3 (en) | 1990-12-05 |
JP2802389B2 (ja) | 1998-09-24 |
EP0343576A2 (de) | 1989-11-29 |
KR0127305B1 (ko) | 1997-12-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |