KR900018922A - 기록물질의 제조방법 - Google Patents

기록물질의 제조방법 Download PDF

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Publication number
KR900018922A
KR900018922A KR1019890006778A KR890006778A KR900018922A KR 900018922 A KR900018922 A KR 900018922A KR 1019890006778 A KR1019890006778 A KR 1019890006778A KR 890006778 A KR890006778 A KR 890006778A KR 900018922 A KR900018922 A KR 900018922A
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KR
South Korea
Prior art keywords
layer support
layer
polyester
layers
support
Prior art date
Application number
KR1019890006778A
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English (en)
Inventor
제로니 루드비히
클로제 구스타프
Original Assignee
하인리히 도르마겐.알브레흐트 자펠
아그파-게바에르트 아크티엔게젤샤프트
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.)
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Application filed by 하인리히 도르마겐.알브레흐트 자펠, 아그파-게바에르트 아크티엔게젤샤프트 filed Critical 하인리히 도르마겐.알브레흐트 자펠
Publication of KR900018922A publication Critical patent/KR900018922A/ko

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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
    • B29C55/005—Shaping by stretching, e.g. drawing through a die; Apparatus therefor characterised by the choice of materials
    • 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
    • G11B5/733—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 characterised by the addition of non-magnetic particles
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/304—Extrusion nozzles or dies specially adapted for bringing together components, e.g. melts within the die
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/305—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets
    • B29C48/307—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets specially adapted for bringing together components, e.g. melts within the die
    • 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
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • 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
    • G11B5/718—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 at least one on each side of the base layer
    • 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
    • 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/0079—Liquid crystals
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2323/00—Functional layers of liquid crystal optical display excluding electroactive liquid crystal layer characterised by chemical composition
    • C09K2323/06—Substrate layer characterised by chemical composition

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • General Physics & Mathematics (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Magnetic Record Carriers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Moulding By Coating Moulds (AREA)
  • Laminated Bodies (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

내용 없음

Description

기록물질의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 따르는 방법을 수행하기에 적합한 장치의 양태를 예시하며,
제2a 및 2b도는 층 지지물로 사용하는 선행기술의 중합체와 본 발명에 따르는 중합체의 배향을 나타내며,
제3도는 선행기술의 층 지지물에 사용하는 중합체와 본 발명에 따르는 공정에서 사용하는 중합체의 유동특성을 비교한 그래프이다.

Claims (8)

  1. 층 지지물이 적어도 하나의 열호변성 액정 중합체를 함유함을 특징으로 하는, 테이프 형태의 유연한 층 지지물, 테이프 위에 캐스팅된 하나 이상의 사진 또는 자기 층 및 층 지지물의 다른 면에 캐스팅된 하나 이상의 임의의 층으로 이루어진 기록물질의 제조방법.
  2. 제1항에 있어서, 층 지지물이 열호변성 중합체, 폴리에스테르, 폴리티오에스테르, 폴리에스테르 아미드, 폴리에스테르 아미드이미드 및/또는 폴리에스테르 카보네이트의 하나로부터 선택, 제조됨을 특징으로 하는 방법.
  3. 제1항 또는 제2항에 있어서, 240 내지 350℃의 온도범위와 101내지 104/S의 전단응력 구배에서 101내지 102Pa/S의 점도범위와 V0의 압출속도에서 넓은 시이팅 다이로부터 액화 열호변성 중합체를 압출한 후, 층 지지물을 V1의 견인속도로 회전로 회전하는 냉각 권취 롤러와 당해 권취 롤러에 대하여 가압하여의 비율로 연산시켜 필요한 층 두께로 감소시키는 회전 압축 롤러 사이를 통과시킴을 특징으로 하는 방법.
  4. 제3항에 있어서, 층 지지물의 연신도가 2 내지 80임을 특징으로 하는 방법.
  5. 제1항 내지 제4항중의 어느 한 항에 있어서, 견인속도 V1이 50 내지 500m/min의 범위내임을 특징으로 하는 방법.
  6. 제1항 내지 제5항중의 어느 한 항에 있어서, 층 지지물의 두께가 3 내지 500㎛임을 특징으로 하는 방법.
  7. 제1항 내지 제6항중의 어느 한 항에 있어서, 층 지지물을 제조하는 동안 접착층 및/또는 하나 이상의 사진층 및/또는 하나 이상의 자기층 및/또는 뒷면의 하나 이상의 층이 적절한 캐스팅 장치에 의해 공정중에 층의 전면 및/또는 후면의 층 지지물위에 캐스팅됨을 특징으로 하는 방법.
  8. 제7항에 있어서, 기록층을 층 지지물에 적용하기 전에 한면 또는 양면에 코로나 처리를 수행함을 특징으로 하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019890006778A 1988-05-21 1989-05-20 기록물질의 제조방법 KR900018922A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3817446A DE3817446A1 (de) 1988-05-21 1988-05-21 Verfahren zur herstellung eines aufzeichnungstraegers
DEP3817446.4 1988-05-21

Publications (1)

Publication Number Publication Date
KR900018922A true KR900018922A (ko) 1990-12-22

Family

ID=6354922

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890006778A KR900018922A (ko) 1988-05-21 1989-05-20 기록물질의 제조방법

Country Status (5)

Country Link
US (1) US5108666A (ko)
EP (1) EP0343422B1 (ko)
JP (1) JPH0250320A (ko)
KR (1) KR900018922A (ko)
DE (2) DE3817446A1 (ko)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3087906B2 (ja) * 1990-02-01 2000-09-18 イーストマン コダック カンパニー 薄い透明な磁気記録層を含む写真要素
EP0503063B1 (en) * 1990-09-28 1999-06-02 Daicel Chemical Industries, Ltd. Composite film
US5382648A (en) * 1992-04-09 1995-01-17 Akzo Nobel Nv Twisted nematic film, a method for the preparation thereof, and a display device comprising said film
US5426535A (en) * 1993-07-29 1995-06-20 Eastman Kodak Company Apparatus for removing air from between a master magnetic medium and a slave magnetic medium preceding anhysteretic transfer of signals from master to slave
US6159412A (en) * 1996-09-11 2000-12-12 Dupont Canada Inc. Method for manufacture of liquid crystalline polymer films
US6010809A (en) * 1997-06-16 2000-01-04 Konica Corporation Silver halide light-sensitive color photographic material
DE69922919T2 (de) * 1998-09-11 2006-01-12 Teijin Ltd. Biaxial orientierte polyesterfolie für thermisches übertragungsband und dieselbe enthaltende laminierte folie und herstellungsverfahren dafür

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1585512A (en) * 1976-05-13 1981-03-04 Celanese Corp Melt processable wholly aromatic polyester which is particularly suited for fibre formation
US4219461A (en) * 1979-04-23 1980-08-26 Celanese Corporation Polyester of 6-hydroxy-2-naphthoic acid, para-hydroxy benzoic acid, aromatic diol, and aromatic diacid capable of readily undergoing melt processing
DE3270761D1 (en) * 1981-08-18 1986-05-28 Teijin Ltd Melt-anisotropic wholly aromatic polyester, process for production thereof, and fibers or films thereof
JPS6190325A (ja) * 1984-10-09 1986-05-08 Polyplastics Co 磁気テ−プ材料
JPS6190343A (ja) * 1984-10-09 1986-05-08 Polyplastics Co 光ディスク
JPH0673179B2 (ja) * 1985-06-14 1994-09-14 ポリプラスチックス株式会社 磁気デイスク
JPS62174227A (ja) * 1986-01-29 1987-07-31 Nippon Oil Co Ltd 高密度磁気記録体用液晶性ポリエステルフイルム
DE3610167A1 (de) * 1986-03-26 1987-10-01 Hoechst Ag Mehrschichtige polyesterfolie fuer magnetische informationstraeger
US4833019A (en) * 1987-02-17 1989-05-23 Minnesota Mining And Manufacturing Company Magnetic recording tape comprising a support film having a high transverse direction modulus
JPS63229611A (ja) * 1987-03-19 1988-09-26 Nippon Oil Co Ltd 高密度磁気記録媒体用フイルム
US4963402A (en) * 1987-08-21 1990-10-16 Minnesota Mining And Manufacturing Company Films containing liquid crystalline polymers

Also Published As

Publication number Publication date
US5108666A (en) 1992-04-28
EP0343422B1 (de) 1994-10-05
DE58908463D1 (de) 1994-11-10
EP0343422A2 (de) 1989-11-29
EP0343422A3 (de) 1992-03-04
DE3817446A1 (de) 1989-11-23
JPH0250320A (ja) 1990-02-20

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