FR2281207A1 - IMPROVEMENTS IN THE CASTING OF POLYMER FILMS - Google Patents

IMPROVEMENTS IN THE CASTING OF POLYMER FILMS

Info

Publication number
FR2281207A1
FR2281207A1 FR7524231A FR7524231A FR2281207A1 FR 2281207 A1 FR2281207 A1 FR 2281207A1 FR 7524231 A FR7524231 A FR 7524231A FR 7524231 A FR7524231 A FR 7524231A FR 2281207 A1 FR2281207 A1 FR 2281207A1
Authority
FR
France
Prior art keywords
casting
polymer films
films
polymer
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
FR7524231A
Other languages
French (fr)
Other versions
FR2281207B1 (en
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 FR2281207A1 publication Critical patent/FR2281207A1/en
Application granted granted Critical
Publication of FR2281207B1 publication Critical patent/FR2281207B1/fr
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
    • 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)
FR7524231A 1974-08-05 1975-08-04 IMPROVEMENTS IN THE CASTING OF POLYMER FILMS Granted FR2281207A1 (en)

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 (2)

Publication Number Publication Date
FR2281207A1 true FR2281207A1 (en) 1976-03-05
FR2281207B1 FR2281207B1 (en) 1977-12-16

Family

ID=10364390

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7524231A Granted FR2281207A1 (en) 1974-08-05 1975-08-04 IMPROVEMENTS IN THE CASTING OF POLYMER FILMS

Country Status (8)

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

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 (en) * 1984-04-11 1985-10-28 Sumitomo Bakelite Co Ltd Manufacture of thermoplastic resin film

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Also Published As

Publication number Publication date
BE832131A (en) 1976-02-05
LU73142A1 (en) 1977-01-07
NL7508966A (en) 1976-02-09
AU8353775A (en) 1977-02-03
DE2534761A1 (en) 1976-02-26
FR2281207B1 (en) 1977-12-16
IT1040244B (en) 1979-12-20
GB1475805A (en) 1977-06-10
JPS5141060A (en) 1976-04-06

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Legal Events

Date Code Title Description
ST Notification of lapse