DE2534761A1 - Verfahren zum giessen von polymerfolien - Google Patents

Verfahren zum giessen von polymerfolien

Info

Publication number
DE2534761A1
DE2534761A1 DE19752534761 DE2534761A DE2534761A1 DE 2534761 A1 DE2534761 A1 DE 2534761A1 DE 19752534761 DE19752534761 DE 19752534761 DE 2534761 A DE2534761 A DE 2534761A DE 2534761 A1 DE2534761 A1 DE 2534761A1
Authority
DE
Germany
Prior art keywords
voltage
electrode
film
molten
casting surface
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.)
Withdrawn
Application number
DE19752534761
Other languages
German (de)
English (en)
Inventor
David John Groves
Albert Mason
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries 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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Publication of DE2534761A1 publication Critical patent/DE2534761A1/de
Withdrawn legal-status Critical Current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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
    • B29C48/915—Cooling of flat articles, e.g. using specially adapted supporting means with means for improving the adhesion to the supporting means
    • B29C48/9165—Electrostatic pinning
    • 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
    • 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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
    • B29C48/914—Cooling of flat articles, e.g. using specially adapted supporting means cooling drums

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Moulding By Coating Moulds (AREA)
DE19752534761 1974-08-05 1975-08-04 Verfahren zum giessen von polymerfolien Withdrawn DE2534761A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3433774A GB1475805A (en) 1974-08-05 1974-08-05 Electrostatic pinning of extruded polymeric film

Publications (1)

Publication Number Publication Date
DE2534761A1 true DE2534761A1 (de) 1976-02-26

Family

ID=10364390

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19752534761 Withdrawn DE2534761A1 (de) 1974-08-05 1975-08-04 Verfahren zum giessen von polymerfolien

Country Status (8)

Country Link
JP (1) JPS5141060A (xx)
BE (1) BE832131A (xx)
DE (1) DE2534761A1 (xx)
FR (1) FR2281207A1 (xx)
GB (1) GB1475805A (xx)
IT (1) IT1040244B (xx)
LU (1) LU73142A1 (xx)
NL (1) NL7508966A (xx)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5517559A (en) * 1978-07-25 1980-02-07 Toyobo Co Ltd Method of cooling polyamide polymer sheet
JPS60214922A (ja) * 1984-04-11 1985-10-28 Sumitomo Bakelite Co Ltd 熱可塑性樹脂フイルムの製造方法

Also Published As

Publication number Publication date
GB1475805A (en) 1977-06-10
IT1040244B (it) 1979-12-20
NL7508966A (nl) 1976-02-09
JPS5141060A (xx) 1976-04-06
BE832131A (fr) 1976-02-05
FR2281207B1 (xx) 1977-12-16
FR2281207A1 (fr) 1976-03-05
LU73142A1 (xx) 1977-01-07
AU8353775A (en) 1977-02-03

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Legal Events

Date Code Title Description
8139 Disposal/non-payment of the annual fee