GB1453998A - Polyester magnetic tape - Google Patents
Polyester magnetic tapeInfo
- Publication number
- GB1453998A GB1453998A GB2083574A GB2083574A GB1453998A GB 1453998 A GB1453998 A GB 1453998A GB 2083574 A GB2083574 A GB 2083574A GB 2083574 A GB2083574 A GB 2083574A GB 1453998 A GB1453998 A GB 1453998A
- Authority
- GB
- United Kingdom
- Prior art keywords
- film
- polyester
- layer
- base
- per cent
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/02—Physical, chemical or physicochemical properties
- B32B7/022—Mechanical properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C1/00—Photosensitive materials
- G03C1/76—Photosensitive materials characterised by the base or auxiliary layers
- G03C1/795—Photosensitive materials characterised by the base or auxiliary layers the base being of macromolecular substances
- G03C1/7954—Polyesters
-
- 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
- G11B5/716—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 two or more magnetic layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0012—Mechanical treatment, e.g. roughening, deforming, stretching
- B32B2038/0028—Stretching, elongating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/03—3 layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/24—All layers being polymeric
- B32B2250/244—All polymers belonging to those covered by group B32B27/36
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2270/00—Resin or rubber layer containing a blend of at least two different polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/514—Oriented
- B32B2307/516—Oriented mono-axially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/514—Oriented
- B32B2307/518—Oriented bi-axially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2367/00—Polyesters, e.g. PET, i.e. polyethylene terephthalate
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- General Physics & Mathematics (AREA)
- Laminated Bodies (AREA)
- Magnetic Record Carriers (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5173373A JPS5619262B2 (it) | 1973-05-11 | 1973-05-11 | |
JP48066315A JPS5744466B2 (it) | 1973-06-14 | 1973-06-14 | |
JP7524973A JPS5025206A (it) | 1973-07-05 | 1973-07-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1453998A true GB1453998A (en) | 1976-10-27 |
Family
ID=27294418
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2083574A Expired GB1453998A (en) | 1973-05-11 | 1974-05-10 | Polyester magnetic tape |
Country Status (6)
Country | Link |
---|---|
BE (1) | BE814827A (it) |
DE (1) | DE2422766B2 (it) |
FR (1) | FR2229112B1 (it) |
GB (1) | GB1453998A (it) |
IT (1) | IT1012279B (it) |
NL (1) | NL7406408A (it) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63197643A (ja) * | 1987-02-12 | 1988-08-16 | 帝人株式会社 | 複合ポリエステルフイルム |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2650220B1 (fr) * | 1989-07-27 | 1991-10-04 | Rhone Poulenc Films | Films polyesters composites et leur utilisation comme couche de protection pour plaques photopolymeres et plaques photopolymeres les comportant |
EP0604057A1 (en) * | 1992-12-23 | 1994-06-29 | Imperial Chemical Industries Plc | Polymeric film |
GB9324989D0 (en) * | 1992-12-23 | 1994-01-26 | Ici Plc | Polymeric film |
CN114506052B (zh) * | 2022-02-24 | 2022-12-27 | 北京化工大学 | 一种界面可控的材料基因重组共混改性方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT209067B (de) * | 1956-08-23 | 1960-05-10 | Montedison Spa | Magnettonschriftträger |
US2931740A (en) * | 1956-08-23 | 1960-04-05 | Montedison Spa | Magnetic elements and methods for making the same |
US3419460A (en) * | 1965-06-29 | 1968-12-31 | Fiber Industries Inc | Polyethylene terephthalate films containing surface protrusions |
DE2002318A1 (de) * | 1970-01-20 | 1971-07-29 | Basf Ag | Magnetische Aufzeichnungstraeger |
JPS5416723B2 (it) * | 1971-10-27 | 1979-06-25 | ||
BE795478A (fr) * | 1972-02-16 | 1973-08-16 | Cellophane Sa | Films composites en polyesters et leur procede de fabrication |
-
1974
- 1974-05-10 GB GB2083574A patent/GB1453998A/en not_active Expired
- 1974-05-10 IT IT22600/74A patent/IT1012279B/it active
- 1974-05-10 BE BE144148A patent/BE814827A/xx unknown
- 1974-05-10 DE DE2422766A patent/DE2422766B2/de active Granted
- 1974-05-13 NL NL7406408A patent/NL7406408A/xx unknown
- 1974-05-13 FR FR7416483A patent/FR2229112B1/fr not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63197643A (ja) * | 1987-02-12 | 1988-08-16 | 帝人株式会社 | 複合ポリエステルフイルム |
JPH0446752B2 (it) * | 1987-02-12 | 1992-07-30 | Teijin Ltd |
Also Published As
Publication number | Publication date |
---|---|
DE2422766B2 (de) | 1979-07-05 |
NL7406408A (it) | 1974-11-13 |
DE2422766C3 (it) | 1988-07-07 |
FR2229112B1 (it) | 1976-12-24 |
BE814827A (fr) | 1974-09-02 |
DE2422766A1 (de) | 1974-11-21 |
FR2229112A1 (it) | 1974-12-06 |
IT1012279B (it) | 1977-03-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PE20 | Patent expired after termination of 20 years |
Effective date: 19940509 |