GB1453998A - Polyester magnetic tape - Google Patents

Polyester magnetic tape

Info

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
Application number
GB2083574A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Teijin Ltd
Original Assignee
Teijin Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP5173373A external-priority patent/JPS5619262B2/ja
Priority claimed from JP48066315A external-priority patent/JPS5744466B2/ja
Priority claimed from JP7524973A external-priority patent/JPS5025206A/ja
Application filed by Teijin Ltd filed Critical Teijin Ltd
Publication of GB1453998A publication Critical patent/GB1453998A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00Layered 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
    • B32B7/02Physical, chemical or physicochemical properties
    • B32B7/022Mechanical properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/36Layered products comprising a layer of synthetic resin comprising polyesters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/06Layered 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
    • B32B27/08Layered 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/18Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/20Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00Photosensitive materials
    • G03C1/76Photosensitive materials characterised by the base or auxiliary layers
    • G03C1/795Photosensitive materials characterised by the base or auxiliary layers the base being of macromolecular substances
    • G03C1/7954Polyesters
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62Record carriers characterised by the selection of the material
    • G11B5/68Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70Record 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
    • G11B5/716Record 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00Ancillary operations in connection with laminating processes
    • B32B38/0012Mechanical treatment, e.g. roughening, deforming, stretching
    • B32B2038/0028Stretching, elongating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00Layers arrangement
    • B32B2250/033 layers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00Layers arrangement
    • B32B2250/24All layers being polymeric
    • B32B2250/244All polymers belonging to those covered by group B32B27/36
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2270/00Resin or rubber layer containing a blend of at least two different polymers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/50Properties of the layers or laminate having particular mechanical properties
    • B32B2307/514Oriented
    • B32B2307/516Oriented mono-axially
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/50Properties of the layers or laminate having particular mechanical properties
    • B32B2307/514Oriented
    • B32B2307/518Oriented bi-axially
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2367/00Polyesters, 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)
GB2083574A 1973-05-11 1974-05-10 Polyester magnetic tape Expired GB1453998A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP5173373A JPS5619262B2 (enrdf_load_stackoverflow) 1973-05-11 1973-05-11
JP48066315A JPS5744466B2 (enrdf_load_stackoverflow) 1973-06-14 1973-06-14
JP7524973A JPS5025206A (enrdf_load_stackoverflow) 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 (enrdf_load_stackoverflow)
DE (1) DE2422766C3 (enrdf_load_stackoverflow)
FR (1) FR2229112B1 (enrdf_load_stackoverflow)
GB (1) GB1453998A (enrdf_load_stackoverflow)
IT (1) IT1012279B (enrdf_load_stackoverflow)
NL (1) NL7406408A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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
GB9324989D0 (en) * 1992-12-23 1994-01-26 Ici Plc Polymeric film
EP0604057A1 (en) * 1992-12-23 1994-06-29 Imperial Chemical Industries 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 (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1101002B (de) * 1956-08-23 1961-03-02 Montedison Spa Magnetogrammtraeger
US2931740A (en) * 1956-08-23 1960-04-05 Montedison Spa Magnetic elements and methods for making the same
AT209067B (de) * 1956-08-23 1960-05-10 Montedison Spa Magnettonschriftträger
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 (enrdf_load_stackoverflow) * 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

Cited By (1)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
DE2422766A1 (de) 1974-11-21
IT1012279B (it) 1977-03-10
FR2229112B1 (enrdf_load_stackoverflow) 1976-12-24
BE814827A (fr) 1974-09-02
FR2229112A1 (enrdf_load_stackoverflow) 1974-12-06
DE2422766B2 (de) 1979-07-05
DE2422766C3 (de) 1988-07-07
NL7406408A (enrdf_load_stackoverflow) 1974-11-13

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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