JPH0379178B2 - - Google Patents

Info

Publication number
JPH0379178B2
JPH0379178B2 JP58006030A JP603083A JPH0379178B2 JP H0379178 B2 JPH0379178 B2 JP H0379178B2 JP 58006030 A JP58006030 A JP 58006030A JP 603083 A JP603083 A JP 603083A JP H0379178 B2 JPH0379178 B2 JP H0379178B2
Authority
JP
Japan
Prior art keywords
film
stretching
stretched
polyester
biaxially oriented
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
JP58006030A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59140028A (ja
Inventor
Takeo Kanezaki
Shigeo Uchiumi
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.)
Diafoil Co Ltd
Original Assignee
Diafoil Co 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
Application filed by Diafoil Co Ltd filed Critical Diafoil Co Ltd
Priority to JP58006030A priority Critical patent/JPS59140028A/ja
Priority to GB08400510A priority patent/GB2134442B/en
Priority to US06/571,069 priority patent/US4617164A/en
Priority to FR8400675A priority patent/FR2539349B1/fr
Priority to DE19843401625 priority patent/DE3401625A1/de
Publication of JPS59140028A publication Critical patent/JPS59140028A/ja
Publication of JPH0379178B2 publication Critical patent/JPH0379178B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • B29C55/143—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial successively firstly parallel to the direction of feed and then transversely 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
    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
JP58006030A 1983-01-18 1983-01-18 ポリエステルフイルムの製造方法 Granted JPS59140028A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP58006030A JPS59140028A (ja) 1983-01-18 1983-01-18 ポリエステルフイルムの製造方法
GB08400510A GB2134442B (en) 1983-01-18 1984-01-10 Polyester film for magnetic recording media
US06/571,069 US4617164A (en) 1983-01-18 1984-01-16 Process for stretching polyester films
FR8400675A FR2539349B1 (fr) 1983-01-18 1984-01-17 Film polyester pour des materiaux d'enregistrement magnetique
DE19843401625 DE3401625A1 (de) 1983-01-18 1984-01-18 Polyesterfolie fuer magnetische aufzeichnungsmedien und verfahren zu ihrer herstellung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58006030A JPS59140028A (ja) 1983-01-18 1983-01-18 ポリエステルフイルムの製造方法

Publications (2)

Publication Number Publication Date
JPS59140028A JPS59140028A (ja) 1984-08-11
JPH0379178B2 true JPH0379178B2 (en]) 1991-12-18

Family

ID=11627262

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58006030A Granted JPS59140028A (ja) 1983-01-18 1983-01-18 ポリエステルフイルムの製造方法

Country Status (2)

Country Link
US (1) US4617164A (en])
JP (1) JPS59140028A (en])

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61134228A (ja) * 1984-12-04 1986-06-21 Diafoil Co Ltd 二軸延伸ポリエステルフイルムの製造方法
JPS61154924A (ja) * 1984-12-28 1986-07-14 Diafoil Co Ltd 磁気記録媒体用ポリエステルフィルム及びその製造法
JPH0625267B2 (ja) * 1985-12-17 1994-04-06 ダイアホイルヘキスト株式会社 高密度磁気記録媒体用ポリエチレン−２，６−ナフタレ−トフイルム
EP0238076B1 (en) * 1986-03-18 1992-10-21 Asahi Kasei Kogyo Kabushiki Kaisha A shaped article of an oriented tetrafluoroethylene polymer
US4892689A (en) * 1987-07-14 1990-01-09 Agfa-Gevaert N.V. Process for making curled photographic film
JP2611421B2 (ja) * 1989-03-30 1997-05-21 ダイアホイルヘキスト株式会社 ポリエステルフィルムの製造方法
US5076977A (en) * 1990-01-10 1991-12-31 Eastman Kodak Company Process for controlling curl in polyester film
US5176861A (en) * 1991-02-22 1993-01-05 Osaka Chemical Co., Ltd. Method of producing sheet made of a low-viscosity polyester resin
FR2682915B1 (fr) * 1991-10-24 1997-09-19 Rhone Poulenc Films Films en polyester semi-cristallins orientes, leur procede d'obtention et leur emploi comme support de revetement magnetique
US5385704A (en) * 1993-07-27 1995-01-31 Eastman Kodak Company Process of making polyethylene terephthalate photographic film base
KR0164972B1 (ko) * 1995-11-14 1999-03-20 장용균 이축배향 폴리에스테르 필름의 제조방법
KR101468937B1 (ko) * 2008-09-05 2014-12-11 코오롱인더스트리 주식회사 폴리에스테르 필름 및 이의 제조방법
CN113547768A (zh) * 2021-06-30 2021-10-26 平湖展鹏热熔胶膜有限公司 一种双向拉伸医用裂纹膜的制备方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE573836A (en]) * 1957-12-12
US3461199A (en) * 1966-05-03 1969-08-12 Du Pont Process for improving dimensional stability of tensilized polyester film
GB1430291A (en) * 1973-04-17 1976-03-31 Teijin Ltd Process for the preparation of a biaxially oriented polyester film
US4042569A (en) * 1974-08-05 1977-08-16 E. I. Du Pont De Nemours And Company Heat-setting process for polyester film
JPS5434207A (en) * 1977-08-23 1979-03-13 Teijin Ltd Polyester film
JPS54137076A (en) * 1978-04-17 1979-10-24 Unitika Ltd Manufacturing of biaxially oriented thermoplastic polyester film
JPS5522915A (en) * 1978-08-07 1980-02-19 Toray Ind Inc Manufacture of polyester film
JPS5527211A (en) * 1978-08-15 1980-02-27 Toray Ind Inc Producing process of polyester film
JPS563430A (en) * 1979-06-20 1981-01-14 Diafoil Co Ltd Biaxially oriented polyester film for magnetic tape
JPS6056101B2 (ja) * 1980-09-25 1985-12-09 東レ株式会社 ポリエステルフイルムの製造方法
JPS5764516A (en) * 1980-10-07 1982-04-19 Teijin Ltd Smothened polyester film
JPS58118220A (ja) * 1982-01-06 1983-07-14 Toray Ind Inc 二軸配向ポリエチレンテレフタレ−トフイルムの製造方法
US4497865A (en) * 1982-02-17 1985-02-05 Toray Industries, Inc. Polyethylene terephthalate film, process for the production thereof and magnetic recording medium therefrom
JPS58140221A (ja) * 1982-02-17 1983-08-19 Toray Ind Inc ポリエチレンテレフタレ−トフイルムの製造方法

Also Published As

Publication number Publication date
US4617164A (en) 1986-10-14
JPS59140028A (ja) 1984-08-11

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