TW341585B - Process for the preparation of biaxially oriented polyester film - Google Patents

Process for the preparation of biaxially oriented polyester film

Info

Publication number
TW341585B
TW341585B TW085113869A TW85113869A TW341585B TW 341585 B TW341585 B TW 341585B TW 085113869 A TW085113869 A TW 085113869A TW 85113869 A TW85113869 A TW 85113869A TW 341585 B TW341585 B TW 341585B
Authority
TW
Taiwan
Prior art keywords
biaxially oriented
polyester film
oriented polyester
preparation
ratio ranging
Prior art date
Application number
TW085113869A
Other languages
Chinese (zh)
Inventor
Seo Jeong-Wook
Shim Wan-Sup
Original Assignee
Skc 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 Skc Ltd filed Critical Skc Ltd
Application granted granted Critical
Publication of TW341585B publication Critical patent/TW341585B/en

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
    • B29C55/04—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique
    • B29C55/06—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed
    • B29C55/065—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed in several stretching steps
    • 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
    • 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
    • B29C55/04—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique
    • B29C55/045—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique in a direction which is not parallel or transverse to the direction of feed, e.g. oblique
    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (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)
  • Manufacture Of Macromolecular Shaped Articles (AREA)

Abstract

A process for preparing a biaxially oriented polyester film having excellent surface smoothness and uniform thickness and by drawing an amorphous polyester sheet in the longitudinal direction and then in the transverse direction, in which the longitudinal drawing process is conducted in three successive steps: (I) a diagonal drawing at a total drawing zone length ranging from 10 to 500 mm, 100 to 140 ℃ and a drawing ratio ranging from 1.1 to 2.0; (ii) a parallel drawing at 100 to 140 ℃ and a drawing ratio ranging from 1.2 to 3.0; and (iii) a diagonal drawing at 100 to 140 ℃ and a drawing ratio ranging from 1.5 to 3.0.
TW085113869A 1995-11-14 1996-11-13 Process for the preparation of biaxially oriented polyester film TW341585B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950041204A KR0164972B1 (en) 1995-11-14 1995-11-14 Process for producing polyester film

Publications (1)

Publication Number Publication Date
TW341585B true TW341585B (en) 1998-10-01

Family

ID=19434007

Family Applications (1)

Application Number Title Priority Date Filing Date
TW085113869A TW341585B (en) 1995-11-14 1996-11-13 Process for the preparation of biaxially oriented polyester film

Country Status (5)

Country Link
JP (1) JP2000500085A (en)
KR (1) KR0164972B1 (en)
CN (1) CN1060432C (en)
TW (1) TW341585B (en)
WO (1) WO1997018078A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7147927B2 (en) * 2002-06-26 2006-12-12 Eastman Chemical Company Biaxially oriented polyester film and laminates thereof with copper
JP2008068533A (en) * 2006-09-14 2008-03-27 Fujifilm Corp Method for longitudinally orienting thermoplastic resin film, and longitudinally oriented film manufactured by the method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5527211A (en) * 1978-08-15 1980-02-27 Toray Ind Inc Producing process of polyester film
JPS59140028A (en) * 1983-01-18 1984-08-11 Diafoil Co Ltd Preparation of polyester film
US5139727A (en) * 1988-11-11 1992-08-18 Daifoil Company, Limited Process for producing biaxially oriented polyester film

Also Published As

Publication number Publication date
WO1997018078A1 (en) 1997-05-22
KR970025922A (en) 1997-06-24
CN1204276A (en) 1999-01-06
JP2000500085A (en) 2000-01-11
KR0164972B1 (en) 1999-03-20
CN1060432C (en) 2001-01-10

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees