DE69824261D1 - Aromatische polyamidfolie und aus dieser folie hergestellter magnetischer aufnahmeträger - Google Patents

Aromatische polyamidfolie und aus dieser folie hergestellter magnetischer aufnahmeträger

Info

Publication number
DE69824261D1
DE69824261D1 DE69824261T DE69824261T DE69824261D1 DE 69824261 D1 DE69824261 D1 DE 69824261D1 DE 69824261 T DE69824261 T DE 69824261T DE 69824261 T DE69824261 T DE 69824261T DE 69824261 D1 DE69824261 D1 DE 69824261D1
Authority
DE
Germany
Prior art keywords
film
aromatic polyamide
magnetic receiver
receiver made
polyamide film
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
Application number
DE69824261T
Other languages
English (en)
Other versions
DE69824261T2 (de
Inventor
Nobuaki Ito
Kazumasa Yoneyama
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.)
Toray Industries Inc
Original Assignee
Toray Industries Inc
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
Application filed by Toray Industries Inc filed Critical Toray Industries Inc
Publication of DE69824261D1 publication Critical patent/DE69824261D1/de
Application granted granted Critical
Publication of DE69824261T2 publication Critical patent/DE69824261T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/10—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial
    • B29C55/12—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial
    • B29C55/14—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial successively
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/10—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial
    • B29C55/12—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial
    • B29C55/14—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial successively
    • B29C55/146—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial successively firstly transversely to the direction of feed and then parallel thereto
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D7/00—Producing flat articles, e.g. films or sheets
    • B29D7/01—Films or sheets
    • 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
    • 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
    • G11B5/73937—Substrates having an organic polymer comprising a ring structure
    • 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
    • G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2077/00—Use of PA, i.e. polyamides, e.g. polyesteramides or derivatives thereof, as moulding material
    • B29K2077/10—Aromatic polyamides [polyaramides] or derivatives 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
    • C08J2377/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide 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
    • C08J2377/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
    • C08J2377/10—Polyamides derived from aromatically bound amino and carboxyl groups of amino carboxylic acids or of polyamines and polycarboxylic acids
    • 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
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
    • Y10T428/264—Up to 3 mils
    • Y10T428/265—1 mil or less
    • 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
    • Y10T428/31—Surface property or characteristic of web, sheet or block
    • 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]
    • Y10T428/31721—Of polyimide
    • 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
    • Y10T428/8305—Miscellaneous [e.g., treated surfaces, etc.]

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Magnetic Record Carriers (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Laminated Bodies (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
DE69824261T 1997-03-21 1998-03-19 Aromatische polyamidfolie und aus dieser folie hergestellter magnetischer aufnahmeträger Expired - Lifetime DE69824261T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP6848997 1997-03-21
JP6848997 1997-03-21
PCT/JP1998/001199 WO1998042493A1 (fr) 1997-03-21 1998-03-19 Film en polyamide aromatique et support d'enregistrement magnetique realise par utilisation dudit film

Publications (2)

Publication Number Publication Date
DE69824261D1 true DE69824261D1 (de) 2004-07-08
DE69824261T2 DE69824261T2 (de) 2004-09-23

Family

ID=13375168

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69824261T Expired - Lifetime DE69824261T2 (de) 1997-03-21 1998-03-19 Aromatische polyamidfolie und aus dieser folie hergestellter magnetischer aufnahmeträger

Country Status (7)

Country Link
US (1) US6096419A (de)
EP (1) EP0920976B1 (de)
KR (1) KR100540731B1 (de)
CN (1) CN1074979C (de)
CA (1) CA2256433A1 (de)
DE (1) DE69824261T2 (de)
WO (1) WO1998042493A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69941859D1 (de) * 1998-09-30 2010-02-04 Toray Industries Polymerfilm hoher Formstabilität und magnetisches Aufzeichnungsmedium, das diesen Film verwendet
BR0008208A (pt) * 1999-02-12 2002-02-19 Gen Electric Meios de armazenamento de dados
US7179551B2 (en) * 1999-02-12 2007-02-20 General Electric Company Poly(arylene ether) data storage media
JP2001084554A (ja) * 1999-09-14 2001-03-30 Fuji Photo Film Co Ltd 磁気記録媒体
JP2002304719A (ja) * 2001-04-05 2002-10-18 Tdk Corp 磁気記録媒体
JP2010126634A (ja) 2008-11-27 2010-06-10 Du Pont Toray Co Ltd ポリイミドフィルムおよびその製造方法
CN110540747B (zh) * 2019-10-12 2021-10-22 厦门长塑实业有限公司 一种超高摩擦母粒及其制备方法、超高摩擦的聚酰胺薄膜及其制备方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0090499B1 (de) * 1982-03-30 1989-05-24 Toray Industries, Inc. Magnetischer Aufzeichnungsträger
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
CA2169293A1 (en) * 1994-06-23 1996-01-04 Akimitsu Tsukuda Magnetic recording medium
JP2616711B2 (ja) * 1994-09-14 1997-06-04 東レ株式会社 磁気記録媒体
JP3243966B2 (ja) * 1995-04-18 2002-01-07 東レ株式会社 磁気記録媒体用ベースフィルム
JP3567624B2 (ja) * 1995-07-05 2004-09-22 東レ株式会社 芳香族ポリアミドフィルムまたは芳香族ポリイミドフィルム
JP2964962B2 (ja) * 1995-10-16 1999-10-18 東レ株式会社 芳香族ポリアミドフィルム
TW385275B (en) * 1996-08-29 2000-03-21 Toray Industries Aromatic polyamide-based resin molding, a process therefor and magnetic recording medium made from the molding
KR20010029493A (ko) * 1997-02-10 2001-04-06 무네유키 가코우 자기기록매체
EP0865034B1 (de) * 1997-03-14 2006-06-07 Fuji Photo Film Co., Ltd. Magnetisches Aufzeichnungsmedium

Also Published As

Publication number Publication date
EP0920976A4 (de) 2001-06-27
KR100540731B1 (ko) 2006-04-21
WO1998042493A1 (fr) 1998-10-01
CA2256433A1 (en) 1998-10-01
EP0920976B1 (de) 2004-06-02
US6096419A (en) 2000-08-01
CN1226851A (zh) 1999-08-25
KR20000015855A (ko) 2000-03-15
CN1074979C (zh) 2001-11-21
JP3871225B2 (ja) 2007-01-24
EP0920976A1 (de) 1999-06-09
DE69824261T2 (de) 2004-09-23

Similar Documents

Publication Publication Date Title
DE19781841T1 (de) Digitales Unterzeichnen von Vereinbarungen von fernen Knoten aus
GB2332567B (en) Magnetic devices
DE69804160D1 (de) Erkennungsband und Schnalle
DE69727207D1 (de) Hoch warmeleitendes magnetisches mischmaterial
DE69803601T2 (de) Hochmolekulares polyamid
DE69806133T2 (de) Hocheffiziente magnetische integrierte miniaturschaltungsstruktur
DE69727769D1 (de) Magnetische Karte
DE69627430D1 (de) Poröser Film aus para-orientiertem aromatischem Polyamid
EP0965305A4 (de) Magnetfeld-generator für mri
DE69932884D1 (de) Polyesterverbundfilm und magnetischer Aufzeignungsträger
SG71090A1 (en) Polyamide resin composition and forming from the same
DE69733045D1 (de) Antistatischer aromatischer Polyimid-Film
DE69807871T2 (de) Monofilament aus aromatischen thermotropen polyester(amide)
DE69928062D1 (de) Elektrophotographischer magnetischer Träger
DE69824261D1 (de) Aromatische polyamidfolie und aus dieser folie hergestellter magnetischer aufnahmeträger
DE29604773U1 (de) Sportanlage mit Werbeträgern
DE69904279T2 (de) Aromatisches Polycarbodiimid und Polycarbodiimidfolie
IL138848A0 (en) Magnetic gradient field projection
DE69836891D1 (de) Magnetfeldsensor
GB9625561D0 (en) Magnetic tags
GB9825669D0 (en) Stabilasation of polyamide,polyester and poltacetal
DE69115942D1 (de) Vollaromatisches Polyamid
DE69714954T2 (de) Borste aus aromatischem polyamid
DE69839873D1 (de) Aromatischer polyamidfilm und daraus hergestellter magnetischer aufzeichnungsträger
DE69837528D1 (de) Magnetisches etikett

Legal Events

Date Code Title Description
8364 No opposition during term of opposition