KR930004362A - 양축 배향성의, 단일방향으로 긴 폴리에틸렌-2, 6-나프탈레이트 필름 및 그것으로 만든 자기 테이프 - Google Patents

양축 배향성의, 단일방향으로 긴 폴리에틸렌-2, 6-나프탈레이트 필름 및 그것으로 만든 자기 테이프 Download PDF

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Publication number
KR930004362A
KR930004362A KR1019920014597A KR920014597A KR930004362A KR 930004362 A KR930004362 A KR 930004362A KR 1019920014597 A KR1019920014597 A KR 1019920014597A KR 920014597 A KR920014597 A KR 920014597A KR 930004362 A KR930004362 A KR 930004362A
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South Korea
Prior art keywords
young
solid particles
film
magnetic tape
inert solid
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KR1019920014597A
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English (en)
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KR0158462B1 (ko
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마사미 엣쮸
히사시 하마노
마사히로 호소이
야스히로 사에끼
Original Assignee
이다가끼 히로시
데이진 가부시끼가이샤
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Priority claimed from JP3226416A external-priority patent/JP2771356B2/ja
Application filed by 이다가끼 히로시, 데이진 가부시끼가이샤 filed Critical 이다가끼 히로시
Publication of KR930004362A publication Critical patent/KR930004362A/ko
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    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C08K3/36—Silica
    • 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
    • G11B5/73927—Polyester substrates, e.g. polyethylene terephthalate
    • G11B5/73929—Polyester substrates, e.g. polyethylene terephthalate comprising naphthalene ring compounds, e.g. polyethylene naphthalate substrates
    • 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
    • G11B5/73927—Polyester substrates, e.g. polyethylene terephthalate
    • G11B5/73935—Polyester substrates, e.g. polyethylene terephthalate characterised by roughness or surface features, e.g. by added particles
    • 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
    • B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
    • 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
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/16—Fillers
    • 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
    • C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • 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
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • 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]
    • Y10T428/31786—Of polyester [e.g., alkyd, etc.]

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Magnetic Record Carriers (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

내용 없음.

Description

양축 배향성의, 단일방향으로 긴 폴리에틸렌-2.6-나프탈레이트 필름 및 그것으로 만든 자기 테이프
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (5)

  1. (A)(a)00.05∼0.3㎛의 평균 입경을 갖는 1불활성 고체 입자 0.05∼0.4％ 및 (b)0.3∼1.0㎛의 평균 입경(이 평균 입경은 제1불활성 고체 입자의 평균 입경 보다 적어도 0.2㎛가 크다)을 갖는 제2불활성 고체 입자 0.005∼0.05중량％를 함유하고, (B)길이방향의 영(young)의 탄성율은 적어도 650㎏/㎟이고, 너비 방향의 영의탄성율은 적어도 600㎏/㎟이며, 길이방향의 영의 탄성율이 너비방향의 영의 탄성율보다 크고, (C)70℃로 1시간 무하중 열처리에 의한 길이방향 열수축율은 0.08％이하이며, (D)표면거칠기, Ra가 3∼10㎚인 양측 배향성의,단일방향으로 긴 폴리에틸렌-2.6-나프탈레이트 필름.
  2. 제1항에 있어서, 제1불활성 고체입자가 단분산 폴리에틸렌-2.6-나트팔레이트 필름.
  3. 제1항에 있어서, 제2불활성 고체입자가 탄선칼슘임을 특징으로 하는 단일방향으로 긴 필름.
  4. 제1항에 있어서, 두께가 2∼12㎛임을 특징으로 하는 방향으로 긴 필름.
  5. 제1항에 있어서, 기재된 양측 배향의, 단일 방향로 긴 폴리에틸렌-2.6-나프탈레이트 필름의 한표면상에 자기 기록층을 형성시켜 제조한 자기 테이프.
    ※ 참고사항 : 최초출원 내용에 의하여 공개되는 것임.
KR1019920014597A 1991-08-13 1992-08-13 양축 배향성의, 단일방향으로 긴 폴리에틸렌 -2,6- 나프탈레이트 필름 및 그것으로 만든 자기 테이프 KR0158462B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3226416A JP2771356B2 (ja) 1991-03-14 1991-08-13 ポリエチレン―２，６―ナフタレートフィルム
JP91-226,416 1991-08-13

Publications (2)

Publication Number Publication Date
KR930004362A true KR930004362A (ko) 1993-03-22
KR0158462B1 KR0158462B1 (ko) 1999-01-15

Family

ID=16844783

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019920014597A KR0158462B1 (ko) 1991-08-13 1992-08-13 양축 배향성의, 단일방향으로 긴 폴리에틸렌 -2,6- 나프탈레이트 필름 및 그것으로 만든 자기 테이프

Country Status (4)

Country Link
US (1) US5415930A (ko)
EP (2) EP1270669B1 (ko)
KR (1) KR0158462B1 (ko)
DE (2) DE69233688T2 (ko)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4320593A1 (de) * 1993-06-22 1995-01-05 Akzo Nobel Nv Multifilament-Garn aus Polyäthylennaphthalat und Verfahren zu seiner Herstellung
EP0634452B1 (en) * 1993-07-16 2001-06-13 E.I. Du Pont De Nemours And Company Polyester films containing glass spheres and calcined china clay
AU680032B2 (en) * 1993-10-15 1997-07-17 Ici Americas Inc. Polyester films containing precipitated silica particles and calcined china clay
US5631063A (en) * 1993-12-22 1997-05-20 Teijin Limited Biaxially oriented film of polyethylene-2,6-naphthalenedicarboxylate
DE69624612T2 (de) * 1995-04-14 2003-08-14 Toyo Boseki K.K., Osaka Orientierter Polyesterfilm
US6190753B1 (en) * 1997-12-11 2001-02-20 Teijin Limited Biaxially oriented polyester film for magnetic recording media
EP1060866A4 (en) * 1998-10-09 2006-04-12 Teijin Ltd BIAXIALLY ORIENTED POLYESTER FILM AND SOFT DISK
US6323271B1 (en) * 1998-11-03 2001-11-27 Arteva North America S.A.R.L. Polyester resins containing silica and having reduced stickiness
US6890471B2 (en) 2000-12-11 2005-05-10 Teijin Limited Biaxially oriented polyester film and method for production thereof
US20050264804A1 (en) * 2004-05-27 2005-12-01 Eastman Kodak Company Bi-modal control material for particle size analyzers
GB202219660D0 (en) * 2022-12-23 2023-02-08 Dupont Teijin Films Us Lp Filled polyester films

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4539389A (en) * 1983-03-30 1985-09-03 Teijin Limited Biaxially oriented polyester film
JPS61179721A (ja) * 1985-02-05 1986-08-12 Toyobo Co Ltd 配向ポリエステルフイルム
JPS62135339A (ja) * 1985-12-09 1987-06-18 Diafoil Co Ltd 磁気記録体用ポリエチレン−２，６−ナフタレ−トフイルム
DE3750319T2 (de) * 1986-08-29 1995-03-23 Diafoil Hoechst Co Ltd Polyester-Zusammensetzungen, Verfahren zu ihrer Herstellung, Polyesterfilme, Polyesterfilme für Magnetbänder und daraus hergestellte Filme für Kondensatoren.
US5106681A (en) * 1987-02-12 1992-04-21 Diafoil Company, Limited Polyester films, magnetic recording media and film capacitors produced therefrom
JP2513826B2 (ja) * 1989-02-16 1996-07-03 東レ株式会社 二軸配向ポリエステルフィルム
EP0460640A1 (en) * 1990-06-07 1991-12-11 Diafoil Hoechst Co., Ltd Polyester film for magnetic recording media

Also Published As

Publication number Publication date
DE69233688D1 (de) 2007-04-26
EP1270669B1 (en) 2007-03-14
EP0532172A1 (en) 1993-03-17
DE69233066T2 (de) 2004-02-26
US5415930A (en) 1995-05-16
KR0158462B1 (ko) 1999-01-15
EP0532172B1 (en) 2003-05-21
EP1270669A1 (en) 2003-01-02
DE69233066D1 (de) 2003-06-26
DE69233688T2 (de) 2008-01-24

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