JPS5859818A - ポリエステルフイルムの製造方法 - Google Patents

ポリエステルフイルムの製造方法

Info

Publication number
JPS5859818A
JPS5859818A JP56158616A JP15861681A JPS5859818A JP S5859818 A JPS5859818 A JP S5859818A JP 56158616 A JP56158616 A JP 56158616A JP 15861681 A JP15861681 A JP 15861681A JP S5859818 A JPS5859818 A JP S5859818A
Authority
JP
Japan
Prior art keywords
polyester
film
porous body
acid
plate
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.)
Granted
Application number
JP56158616A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6249846B2 (oth
Inventor
Yasuji Hirabayashi
平林　保治
Yasuhiko Segawa
瀬川　泰彦
Toshinobu Azumi
安住　敏宣
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
Priority to JP56158616A priority Critical patent/JPS5859818A/ja
Publication of JPS5859818A publication Critical patent/JPS5859818A/ja
Publication of JPS6249846B2 publication Critical patent/JPS6249846B2/ja
Granted legal-status Critical Current

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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
    • B29C44/50—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying
    • B29C44/505—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying extruding the compound through a flat 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
    • B29C48/03—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
    • 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
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0044—Anisotropic

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
JP56158616A 1981-10-07 1981-10-07 ポリエステルフイルムの製造方法 Granted JPS5859818A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56158616A JPS5859818A (ja) 1981-10-07 1981-10-07 ポリエステルフイルムの製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56158616A JPS5859818A (ja) 1981-10-07 1981-10-07 ポリエステルフイルムの製造方法

Publications (2)

Publication Number Publication Date
JPS5859818A true JPS5859818A (ja) 1983-04-09
JPS6249846B2 JPS6249846B2 (oth) 1987-10-21

Family

ID=15675596

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56158616A Granted JPS5859818A (ja) 1981-10-07 1981-10-07 ポリエステルフイルムの製造方法

Country Status (1)

Country Link
JP (1) JPS5859818A (oth)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4960552A (en) * 1986-02-15 1990-10-02 Basf Aktiengesellschaft Production of sheetlike preshapes

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4910258A (oth) * 1972-04-10 1974-01-29

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4910258A (oth) * 1972-04-10 1974-01-29

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4960552A (en) * 1986-02-15 1990-10-02 Basf Aktiengesellschaft Production of sheetlike preshapes

Also Published As

Publication number Publication date
JPS6249846B2 (oth) 1987-10-21

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