IT1012279B - Nastro magnetico di poliestere - Google Patents

Nastro magnetico di poliestere

Info

Publication number
IT1012279B
IT1012279B IT22600/74A IT2260074A IT1012279B IT 1012279 B IT1012279 B IT 1012279B IT 22600/74 A IT22600/74 A IT 22600/74A IT 2260074 A IT2260074 A IT 2260074A IT 1012279 B IT1012279 B IT 1012279B
Authority
IT
Italy
Prior art keywords
polyester tape
magnetic polyester
magnetic
tape
polyester
Prior art date
Application number
IT22600/74A
Other languages
English (en)
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
Application granted granted Critical
Publication of IT1012279B publication Critical patent/IT1012279B/it

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
    • 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
    • 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
    • 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
IT22600/74A 1973-05-11 1974-05-10 Nastro magnetico di poliestere IT1012279B (it)

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
IT1012279B true IT1012279B (it) 1977-03-10

Family

ID=27294418

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22600/74A IT1012279B (it) 1973-05-11 1974-05-10 Nastro magnetico di poliestere

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)

Families Citing this family (5)

* 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
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 (6)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
DE2422766A1 (de) 1974-11-21
NL7406408A (it) 1974-11-13
DE2422766C3 (it) 1988-07-07
DE2422766B2 (de) 1979-07-05
FR2229112B1 (it) 1976-12-24
FR2229112A1 (it) 1974-12-06
GB1453998A (en) 1976-10-27
BE814827A (fr) 1974-09-02

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