JPS56169223A - Magnetic recording medium - Google Patents
Magnetic recording mediumInfo
- Publication number
- JPS56169223A JPS56169223A JP7106580A JP7106580A JPS56169223A JP S56169223 A JPS56169223 A JP S56169223A JP 7106580 A JP7106580 A JP 7106580A JP 7106580 A JP7106580 A JP 7106580A JP S56169223 A JPS56169223 A JP S56169223A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic layer
- recording medium
- magnetic recording
- r1ocor2
- organopolysiloxane compound
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/22—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen
- C08G77/24—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen halogen-containing groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/38—Polysiloxanes modified by chemical after-treatment
- C08G77/382—Polysiloxanes modified by chemical after-treatment containing atoms other than carbon, hydrogen, oxygen or silicon
- C08G77/385—Polysiloxanes modified by chemical after-treatment containing atoms other than carbon, hydrogen, oxygen or silicon containing halogens
-
- 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
- G11B5/72—Protective coatings, e.g. anti-static or antifriction
- G11B5/725—Protective coatings, e.g. anti-static or antifriction containing a lubricant, e.g. organic compounds
-
- 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
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12701—Pb-base component
-
- 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]
- Y10T428/3154—Of fluorinated addition polymer from unsaturated monomers
-
- 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]
- Y10T428/31652—Of asbestos
- Y10T428/31663—As siloxane, silicone or silane
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Paints Or Removers (AREA)
- Lubricants (AREA)
- Magnetic Record Carriers (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7106580A JPS56169223A (en) | 1980-05-28 | 1980-05-28 | Magnetic recording medium |
NL8102608A NL188714C (nl) | 1980-05-28 | 1981-05-27 | Magnetisch registreermedium. |
FR8110659A FR2483663B1 (ja) | 1980-05-28 | 1981-05-27 | |
DE19813121215 DE3121215A1 (de) | 1980-05-28 | 1981-05-27 | Magnetisches aufzeichnungsmedium |
US06/267,922 US4369230A (en) | 1980-05-28 | 1981-05-28 | Magnetic recording medium |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7106580A JPS56169223A (en) | 1980-05-28 | 1980-05-28 | Magnetic recording medium |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56169223A true JPS56169223A (en) | 1981-12-25 |
Family
ID=13449745
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7106580A Pending JPS56169223A (en) | 1980-05-28 | 1980-05-28 | Magnetic recording medium |
Country Status (5)
Country | Link |
---|---|
US (1) | US4369230A (ja) |
JP (1) | JPS56169223A (ja) |
DE (1) | DE3121215A1 (ja) |
FR (1) | FR2483663B1 (ja) |
NL (1) | NL188714C (ja) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57152535A (en) * | 1981-03-18 | 1982-09-20 | Hitachi Maxell Ltd | Magnetic recording medium |
JPS59188832A (ja) * | 1983-04-11 | 1984-10-26 | Sony Corp | 磁気記録媒体 |
JPS60111334A (ja) * | 1983-11-18 | 1985-06-17 | Matsushita Electric Ind Co Ltd | 磁気記録媒体 |
JPS62180521A (ja) * | 1986-02-05 | 1987-08-07 | Victor Co Of Japan Ltd | 磁気記録媒体 |
JPS62183027A (ja) * | 1986-02-05 | 1987-08-11 | Victor Co Of Japan Ltd | 磁気記録媒体 |
JPH02240823A (ja) * | 1989-03-15 | 1990-09-25 | Dainichiseika Color & Chem Mfg Co Ltd | 磁気記録媒体 |
JPH02240822A (ja) * | 1989-03-15 | 1990-09-25 | Dainichiseika Color & Chem Mfg Co Ltd | 磁気記録媒体 |
JPH0497707U (ja) * | 1991-02-19 | 1992-08-24 | ||
JPH04325918A (ja) * | 1991-04-26 | 1992-11-16 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5823325A (ja) * | 1981-03-19 | 1983-02-12 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
JPS5891527A (ja) * | 1981-11-26 | 1983-05-31 | Sony Corp | 磁気記録媒体 |
JPS5922227A (ja) * | 1982-07-29 | 1984-02-04 | Victor Co Of Japan Ltd | 磁気記録媒体 |
JPS5922229A (ja) * | 1982-07-29 | 1984-02-04 | Victor Co Of Japan Ltd | 磁気記録媒体 |
US4469751A (en) * | 1982-09-21 | 1984-09-04 | Victor Company Of Japan, Limited | Magnetic recording media comprising specific types of silicone lubricants in the magnetic layer thereof |
JPS5994234A (ja) * | 1982-11-19 | 1984-05-30 | Sony Corp | 磁気記録媒体 |
US4507217A (en) * | 1983-03-07 | 1985-03-26 | Lipid Specialties, Inc. | Magnetic compositions and magnetic memory devices prepared therefrom |
JPS6027539A (ja) * | 1983-07-26 | 1985-02-12 | 帝人株式会社 | 易滑性ポリエステルフイルム |
JPS60119629A (ja) * | 1983-11-30 | 1985-06-27 | Sony Corp | 磁気記録媒体 |
JPS61915A (ja) * | 1984-06-13 | 1986-01-06 | Konishiroku Photo Ind Co Ltd | 磁気記録媒体 |
JPS6194233A (ja) * | 1984-10-15 | 1986-05-13 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
JPS61104326A (ja) * | 1984-10-23 | 1986-05-22 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
US4640790A (en) * | 1986-07-14 | 1987-02-03 | Dow Corning Corporation | Dispersant composition for magnetic media |
JP2537081B2 (ja) * | 1988-10-18 | 1996-09-25 | 富士写真フイルム株式会社 | 磁気記録媒体 |
JP2796852B2 (ja) * | 1988-10-31 | 1998-09-10 | インターナショナル・ビジネス・マシーンズ・コーポレーション | 磁気記憶装置及び方法 |
US5270109A (en) * | 1990-01-17 | 1993-12-14 | Fuji Photo Film Co., Ltd. | Magnetic recording medium having a magnetic layer comprising ferromagnetic powder, a binder and a specified organosilicon lubricant compound |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5324806A (en) * | 1976-08-19 | 1978-03-08 | Fuji Photo Film Co Ltd | Magnetic recording materia l |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1057340B (de) * | 1955-05-31 | 1959-05-14 | Dow Corning | Verfahren zur Herstellung von neuen Organopolysiloxanen |
GB960534A (en) * | 1961-08-28 | 1964-06-10 | Dow Corning | Organosilicon compounds |
JPS5228687B2 (ja) * | 1973-07-21 | 1977-07-28 | ||
GB1489436A (en) * | 1973-12-28 | 1977-10-19 | Basf Ag | Magnetic recording medium containing lubricants |
JPS5234924B2 (ja) * | 1974-10-02 | 1977-09-06 | ||
JPS5234923B2 (ja) * | 1974-10-02 | 1977-09-06 | ||
JPS5270811A (en) * | 1975-12-10 | 1977-06-13 | Fuji Photo Film Co Ltd | Magnetic recording material |
JPS52108804A (en) * | 1976-03-10 | 1977-09-12 | Fuji Photo Film Co Ltd | Magnetic recording material |
JPS52140303A (en) * | 1976-05-18 | 1977-11-22 | Sony Corp | Magnetic record medium |
JPS5414711A (en) * | 1977-07-06 | 1979-02-03 | Fuji Photo Film Co Ltd | Magnetic recording medium |
US4267206A (en) * | 1978-03-17 | 1981-05-12 | Graham Magnetics, Inc. | Process of making high-temperature magnetic tape |
-
1980
- 1980-05-28 JP JP7106580A patent/JPS56169223A/ja active Pending
-
1981
- 1981-05-27 NL NL8102608A patent/NL188714C/xx not_active IP Right Cessation
- 1981-05-27 DE DE19813121215 patent/DE3121215A1/de active Granted
- 1981-05-27 FR FR8110659A patent/FR2483663B1/fr not_active Expired
- 1981-05-28 US US06/267,922 patent/US4369230A/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5324806A (en) * | 1976-08-19 | 1978-03-08 | Fuji Photo Film Co Ltd | Magnetic recording materia l |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57152535A (en) * | 1981-03-18 | 1982-09-20 | Hitachi Maxell Ltd | Magnetic recording medium |
JPH0427609B2 (ja) * | 1981-03-18 | 1992-05-12 | Hitachi Maxell | |
JPS59188832A (ja) * | 1983-04-11 | 1984-10-26 | Sony Corp | 磁気記録媒体 |
JPS60111334A (ja) * | 1983-11-18 | 1985-06-17 | Matsushita Electric Ind Co Ltd | 磁気記録媒体 |
JPS62180521A (ja) * | 1986-02-05 | 1987-08-07 | Victor Co Of Japan Ltd | 磁気記録媒体 |
JPS62183027A (ja) * | 1986-02-05 | 1987-08-11 | Victor Co Of Japan Ltd | 磁気記録媒体 |
JPH02240823A (ja) * | 1989-03-15 | 1990-09-25 | Dainichiseika Color & Chem Mfg Co Ltd | 磁気記録媒体 |
JPH02240822A (ja) * | 1989-03-15 | 1990-09-25 | Dainichiseika Color & Chem Mfg Co Ltd | 磁気記録媒体 |
JPH0497707U (ja) * | 1991-02-19 | 1992-08-24 | ||
JPH04325918A (ja) * | 1991-04-26 | 1992-11-16 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
Also Published As
Publication number | Publication date |
---|---|
DE3121215A1 (de) | 1982-05-19 |
FR2483663A1 (ja) | 1981-12-04 |
NL8102608A (nl) | 1981-12-16 |
FR2483663B1 (ja) | 1984-04-27 |
NL188714C (nl) | 1992-09-01 |
DE3121215C2 (ja) | 1991-10-31 |
US4369230A (en) | 1983-01-18 |
NL188714B (nl) | 1992-04-01 |
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