DE3884549D1 - Polyesterfilm und magnetisches speichermedium. - Google Patents
Polyesterfilm und magnetisches speichermedium.Info
- Publication number
- DE3884549D1 DE3884549D1 DE88903956T DE3884549T DE3884549D1 DE 3884549 D1 DE3884549 D1 DE 3884549D1 DE 88903956 T DE88903956 T DE 88903956T DE 3884549 T DE3884549 T DE 3884549T DE 3884549 D1 DE3884549 D1 DE 3884549D1
- Authority
- DE
- Germany
- Prior art keywords
- storage medium
- polyester film
- magnetic storage
- magnetic
- polyester
- 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 - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- 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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/78—Preparation processes
- C08G63/82—Preparation processes characterised by the catalyst used
- C08G63/85—Germanium, tin, lead, arsenic, antimony, bismuth, titanium, zirconium, hafnium, vanadium, niobium, tantalum, or compounds thereof
- C08G63/86—Germanium, antimony, or compounds thereof
- C08G63/863—Germanium or compounds thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/0427—Coating with only one layer of a composition containing a polymer binder
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/043—Improving the adhesiveness of the coatings per se, e.g. forming primers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/046—Forming abrasion-resistant coatings; Forming surface-hardening coatings
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
-
- 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
- G11B5/739—Magnetic recording media substrates
- G11B5/73923—Organic polymer substrates
- G11B5/73927—Polyester substrates, e.g. polyethylene terephthalate
-
- 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
- G11B5/739—Magnetic recording media substrates
- G11B5/73923—Organic polymer substrates
- G11B5/73927—Polyester substrates, e.g. polyethylene terephthalate
- G11B5/73931—Two or more layers, at least one layer being polyester
-
- 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
- G11B5/739—Magnetic recording media substrates
- G11B5/73923—Organic polymer substrates
- G11B5/73927—Polyester substrates, e.g. polyethylene terephthalate
- G11B5/73935—Polyester substrates, e.g. polyethylene terephthalate characterised by roughness or surface features, e.g. by added particles
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy 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
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
-
- 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]
- Y10T428/31786—Of polyester [e.g., alkyd, etc.]
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Magnetic Record Carriers (AREA)
- Laminated Bodies (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10630587 | 1987-05-01 | ||
PCT/JP1988/000444 WO1988008437A1 (en) | 1987-05-01 | 1988-05-02 | Polyester film and magnetic recording medium |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3884549D1 true DE3884549D1 (de) | 1993-11-04 |
DE3884549T2 DE3884549T2 (de) | 1994-05-11 |
Family
ID=14430293
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE88903956T Expired - Lifetime DE3884549T2 (de) | 1987-05-01 | 1988-05-02 | Polyesterfilm und magnetisches speichermedium. |
Country Status (6)
Country | Link |
---|---|
US (1) | US5047278A (de) |
EP (1) | EP0312616B1 (de) |
JP (1) | JP2792068B2 (de) |
KR (1) | KR950014234B1 (de) |
DE (1) | DE3884549T2 (de) |
WO (1) | WO1988008437A1 (de) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5271985A (en) * | 1987-08-28 | 1993-12-21 | Toray Industries, Inc. | Polyester film having specific surface properties |
US5294474A (en) * | 1989-07-27 | 1994-03-15 | Rhone-Poulenc Films | Composite polyester films and their use as protective layers for photopolymer plates, and photopolymer plates comprising said films |
DE4000038A1 (de) * | 1990-01-03 | 1991-07-04 | Hoechst Ag | Polyesterfolie mit verbesserten hafteigenschaften |
JP2953060B2 (ja) * | 1990-12-28 | 1999-09-27 | 三菱化学ポリエステルフィルム株式会社 | 高密度磁気記録媒体 |
US5215874A (en) * | 1991-01-21 | 1993-06-01 | Fuji Photo Film Co., Ltd. | Silver halide photographic material having magnetic recording member |
JP2970001B2 (ja) * | 1991-03-06 | 1999-11-02 | 三菱化学ポリエステルフィルム株式会社 | 磁気テープ用ポリエステルフィルム |
JP2990818B2 (ja) * | 1991-03-08 | 1999-12-13 | 三菱化学ポリエステルフィルム株式会社 | 磁気テープ用ポリエステルフィルム |
US5665454A (en) * | 1991-03-22 | 1997-09-09 | Teijin Limited | Biaxially oriented polyethylene-2,6-naphthalate film and magnetic tape formed therefrom |
EP0519633A1 (de) * | 1991-06-11 | 1992-12-23 | Imperial Chemical Industries Plc | Datenspeichermedien |
JPH05154972A (ja) * | 1991-07-02 | 1993-06-22 | Unitika Ltd | 粗面化フィルムおよびその製造方法 |
US5350601A (en) * | 1991-11-06 | 1994-09-27 | Hoechst Celanese Corporation | Process for making and using polymeric film coated with primer coating for silicone release applications |
EP0543600B1 (de) * | 1991-11-18 | 1998-10-21 | Toray Industries, Inc. | Biaxial orientierter Film aus thermoplastischem Harz |
CA2083976A1 (en) * | 1991-12-04 | 1993-06-05 | Shinichi Kinoshita | Optical tape |
DE69233633T2 (de) * | 1991-12-25 | 2007-05-16 | Teijin Ltd. | Polyesterfilm für magnetische Aufzeichnung |
EP0574232B1 (de) * | 1992-06-09 | 1997-10-01 | Teijin Limited | Biaxial orientierter Polyesterfilm |
JPH05338022A (ja) * | 1992-06-11 | 1993-12-21 | Toray Ind Inc | 易滑透明ポリエステルフィルム |
US5424121A (en) * | 1992-09-06 | 1995-06-13 | Teijin Limited | Biaxially oriented polyester film |
EP0671991A1 (de) * | 1992-12-09 | 1995-09-20 | Hoechst Aktiengesellschaft | Biaxial orientierte penbb-folie für magnetische aufzeichungsträger und daraus hergestellte aufzeichnungsträger |
JPH06338049A (ja) * | 1993-05-28 | 1994-12-06 | Sony Corp | 磁気記録媒体 |
US5932320A (en) * | 1996-10-29 | 1999-08-03 | Mitsubishi Polyester Film Corporation | Polyester film for decorative plate or decorative sheet |
US6060156A (en) * | 1998-03-30 | 2000-05-09 | E. I. Du Pont De Nemours And Company | Porous alumina and partially calcined polysiloxane particles in interdraw coating resins for polyester film |
JP2021038388A (ja) * | 2019-09-02 | 2021-03-11 | 東洋紡フイルムソリューション株式会社 | 二軸配向ポリエステルフィルム |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5168696A (en) * | 1974-12-12 | 1976-06-14 | Toray Industries | Horiesuteruno seizoho |
JPS5641525A (en) * | 1979-09-11 | 1981-04-18 | Diafoil Co Ltd | Polyester film for magnetic tape |
DE3414310A1 (de) * | 1984-04-16 | 1985-10-24 | Hoechst Ag, 6230 Frankfurt | Traegerfolie fuer magnetische informationstraeger |
DE3414347A1 (de) * | 1984-04-16 | 1985-10-24 | Hoechst Ag, 6230 Frankfurt | Traegerfolie fuer magnetische informationstraeger |
JPH0766520B2 (ja) * | 1985-01-08 | 1995-07-19 | 富士写真フイルム株式会社 | 磁気記録媒体 |
JPS61167530A (ja) * | 1985-01-21 | 1986-07-29 | Diafoil Co Ltd | 磁気記録体用ポリエステルフイルム |
JPS61209128A (ja) * | 1985-03-13 | 1986-09-17 | Diafoil Co Ltd | 磁気記録媒体用二軸延伸ポリエステルフイルム |
JPS61240431A (ja) * | 1985-04-18 | 1986-10-25 | Toray Ind Inc | 磁気記録媒体用ベ−スフイルム |
DE3673565D1 (de) * | 1985-05-29 | 1990-09-27 | Teijin Ltd | Polyesterfilm fuer magnetische aufzeichnungstraeger. |
JPS627526A (ja) * | 1985-07-04 | 1987-01-14 | Toray Ind Inc | 二軸配向ポリエステルフイルム |
JPS6232029A (ja) * | 1985-08-06 | 1987-02-12 | Asahi Chem Ind Co Ltd | ポリエステルフイルム及びその製造法 |
US4732814A (en) * | 1985-10-03 | 1988-03-22 | Toray Industries, Inc. | Polyester film with smooth and highly adhesive surface and method of making same |
JPH0618069B2 (ja) * | 1985-10-14 | 1994-03-09 | 帝人株式会社 | オ−デイオカセツト用テ−プ |
JPS62135339A (ja) * | 1985-12-09 | 1987-06-18 | Diafoil Co Ltd | 磁気記録体用ポリエチレン−2,6−ナフタレ−トフイルム |
JPH0715742B2 (ja) * | 1986-03-24 | 1995-02-22 | 富士写真フイルム株式会社 | 磁気記録媒体 |
DE3610167A1 (de) * | 1986-03-26 | 1987-10-01 | Hoechst Ag | Mehrschichtige polyesterfolie fuer magnetische informationstraeger |
JP2519066B2 (ja) * | 1987-08-31 | 1996-07-31 | 富士写真フイルム株式会社 | 磁気記録媒体 |
-
1988
- 1988-05-02 JP JP63503614A patent/JP2792068B2/ja not_active Expired - Lifetime
- 1988-05-02 KR KR1019880701785A patent/KR950014234B1/ko not_active IP Right Cessation
- 1988-05-02 US US07/296,053 patent/US5047278A/en not_active Expired - Lifetime
- 1988-05-02 DE DE88903956T patent/DE3884549T2/de not_active Expired - Lifetime
- 1988-05-02 WO PCT/JP1988/000444 patent/WO1988008437A1/ja active IP Right Grant
- 1988-05-02 EP EP88903956A patent/EP0312616B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
WO1988008437A1 (en) | 1988-11-03 |
DE3884549T2 (de) | 1994-05-11 |
EP0312616B1 (de) | 1993-09-29 |
US5047278A (en) | 1991-09-10 |
EP0312616A1 (de) | 1989-04-26 |
JP2792068B2 (ja) | 1998-08-27 |
KR950014234B1 (ko) | 1995-11-23 |
KR890701665A (ko) | 1989-12-21 |
EP0312616A4 (en) | 1990-10-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3884549D1 (de) | Polyesterfilm und magnetisches speichermedium. | |
DE3461503D1 (en) | Polyester film and magnetic recording medium made therefrom | |
DE68923116D1 (de) | Magnetisches Aufzeichnungs- und Wiedergabegerät. | |
DE69122326D1 (de) | Magnetisches Speichersystem und Betriebsweise | |
DE68919130T2 (de) | Polyesterfilm für magnetische Aufzeichnungsträger. | |
DE69125533D1 (de) | Erhöhung der Speicherdichte von Informationsspeichermedien | |
DE68928843D1 (de) | Magnetooptisches speichermedium | |
DE3685219D1 (de) | Magnetisches speichermedium. | |
DE3869264D1 (de) | Magnetisches aufzeichnungs- und wiedergabegeraet. | |
DE3888622D1 (de) | Magnetisches Aufzeichnungs- und Wiedergabegerät. | |
DE3873332T2 (de) | Magnetisches speichermedium. | |
DE68915028D1 (de) | Magnetisches Aufzeichnungs- und Wiedergabegerät. | |
DE68922045D1 (de) | Informationsaufzeichnungsmedium und dasselbe verwendendes Aufzeichnungs/-Wiedergabegerät. | |
DE68920921T2 (de) | Magnetisches Aufnahme- und Wiedergabegerät. | |
BR8406655A (pt) | Meio de gravacao magnetica,disquete e filme de poliester biaxialmente orientado | |
DE69205462T2 (de) | Senkrechter magnetischer Film und magnetischer Aufzeichnungsträger. | |
DE68910613D1 (de) | Informationsspeicherplatte. | |
DE68909520D1 (de) | Magneto-optisches speichermedium. | |
DE69223282D1 (de) | Magnetischer Plattenspeicher | |
DE68915026D1 (de) | Magnetisches Aufnahme- und Wiedergabegerät. | |
DE3877616D1 (de) | Magnetische aufzeichnungs- und wiedergabevorrichtung. | |
EP0335372A3 (en) | Information storage medium | |
EP0335275A3 (en) | Information storage medium | |
IT215151Z2 (it) | Contenitore espositore particolarmente con compact disk e cassette. | |
KR900008453A (ko) | 자기기록매체용 2축배향 폴리에스테르 필름 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |