CA1043064A - Process for producing biaxially oriented films and shrinkable biaxially oriented films obtained thereby - Google Patents

Process for producing biaxially oriented films and shrinkable biaxially oriented films obtained thereby

Info

Publication number
CA1043064A
CA1043064A CA197,822A CA197822A CA1043064A CA 1043064 A CA1043064 A CA 1043064A CA 197822 A CA197822 A CA 197822A CA 1043064 A CA1043064 A CA 1043064A
Authority
CA
Canada
Prior art keywords
film
temperature
transverse
ratio
stretching
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
Application number
CA197,822A
Other languages
English (en)
French (fr)
Inventor
Sakae Shimotsuma
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.)
Teijin Ltd
Original Assignee
Teijin 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 Teijin Ltd filed Critical Teijin Ltd
Application granted granted Critical
Publication of CA1043064A publication Critical patent/CA1043064A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/10Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial
    • B29C55/12Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial
    • B29C55/14Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial successively
    • B29C55/143Shaping 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C71/00After-treatment of articles without altering their shape; Apparatus therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2067/00Use of polyesters or derivatives thereof, as moulding material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
CA197,822A 1973-04-19 1974-04-19 Process for producing biaxially oriented films and shrinkable biaxially oriented films obtained thereby Expired CA1043064A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4358373A JPS5650693B2 (enrdf_load_stackoverflow) 1973-04-19 1973-04-19

Publications (1)

Publication Number Publication Date
CA1043064A true CA1043064A (en) 1978-11-28

Family

ID=12667780

Family Applications (1)

Application Number Title Priority Date Filing Date
CA197,822A Expired CA1043064A (en) 1973-04-19 1974-04-19 Process for producing biaxially oriented films and shrinkable biaxially oriented films obtained thereby

Country Status (6)

Country Link
JP (1) JPS5650693B2 (enrdf_load_stackoverflow)
CA (1) CA1043064A (enrdf_load_stackoverflow)
DE (1) DE2418929C3 (enrdf_load_stackoverflow)
FR (1) FR2226266B1 (enrdf_load_stackoverflow)
GB (1) GB1468230A (enrdf_load_stackoverflow)
NL (1) NL158429B (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0762964B2 (ja) * 1985-11-13 1995-07-05 ダイアホイルヘキスト株式会社 電気絶縁材料
JPS62136013A (ja) * 1985-12-09 1987-06-19 ダイアホイルヘキスト株式会社 コンデンサ−用ポリエチレン−2,6−ナフタレ−トフイルム
JPH064276B2 (ja) * 1985-12-10 1994-01-19 ダイアホイルヘキスト株式会社 メンブレンスイツチ用ポリエステルフイルム
JP3765681B2 (ja) * 1998-12-18 2006-04-12 富士写真フイルム株式会社 ポリエステルフィルムの製造方法

Also Published As

Publication number Publication date
NL158429B (nl) 1978-11-15
JPS5650693B2 (enrdf_load_stackoverflow) 1981-12-01
DE2418929A1 (de) 1974-11-07
DE2418929C3 (de) 1978-11-09
DE2418929B2 (de) 1978-03-09
GB1468230A (en) 1977-03-23
JPS49132163A (enrdf_load_stackoverflow) 1974-12-18
FR2226266A1 (enrdf_load_stackoverflow) 1974-11-15
FR2226266B1 (enrdf_load_stackoverflow) 1977-03-18
NL7405343A (enrdf_load_stackoverflow) 1974-10-22

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