FR2193844A1 - Transparent polyamide film prepn - by extruding polymsd lactam onto cooling roller, and passing cooled film through liquid bath - Google Patents

Transparent polyamide film prepn - by extruding polymsd lactam onto cooling roller, and passing cooled film through liquid bath

Info

Publication number
FR2193844A1
FR2193844A1 FR7326781A FR7326781A FR2193844A1 FR 2193844 A1 FR2193844 A1 FR 2193844A1 FR 7326781 A FR7326781 A FR 7326781A FR 7326781 A FR7326781 A FR 7326781A FR 2193844 A1 FR2193844 A1 FR 2193844A1
Authority
FR
France
Prior art keywords
film
liquid bath
extruding
lactam
cooling roller
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Withdrawn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
FR7326781A
Other languages
English (en)
French (fr)
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.)
Bayer AG
Original Assignee
Bayer AG
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 Bayer AG filed Critical Bayer AG
Publication of FR2193844A1 publication Critical patent/FR2193844A1/fr
Withdrawn legal-status Critical Current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
    • B29C48/919—Thermal treatment of the stream of extruded material, e.g. cooling using a bath, e.g. extruding into an open bath to coagulate or cool the material
    • 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 drums
    • 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
    • B29C48/9175—Cooling of flat articles, e.g. using specially adapted supporting means by interposing a fluid layer between the supporting means and the flat article

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Polyamides (AREA)
  • Moulding By Coating Moulds (AREA)
FR7326781A 1972-07-20 1973-07-20 Transparent polyamide film prepn - by extruding polymsd lactam onto cooling roller, and passing cooled film through liquid bath Withdrawn FR2193844A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2235462A DE2235462A1 (de) 1972-07-20 1972-07-20 Verfahren zur herstellung von polyamidfolien

Publications (1)

Publication Number Publication Date
FR2193844A1 true FR2193844A1 (en) 1974-02-22

Family

ID=5851074

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7326781A Withdrawn FR2193844A1 (en) 1972-07-20 1973-07-20 Transparent polyamide film prepn - by extruding polymsd lactam onto cooling roller, and passing cooled film through liquid bath

Country Status (5)

Country Link
JP (1) JPS4945162A (cs)
BE (1) BE802548A (cs)
DE (1) DE2235462A1 (cs)
FR (1) FR2193844A1 (cs)
NL (1) NL7310185A (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2603226A1 (fr) * 1986-08-27 1988-03-04 Hoechst Ag Procede et dispositif pour le refroidissement d'une pellicule de materiau fondu extrudee hors d'une filiere plate dans un systeme de refroidissement.

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5451703A (en) * 1977-10-01 1979-04-23 Fujitsu Ltd Channel selection control circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2603226A1 (fr) * 1986-08-27 1988-03-04 Hoechst Ag Procede et dispositif pour le refroidissement d'une pellicule de materiau fondu extrudee hors d'une filiere plate dans un systeme de refroidissement.

Also Published As

Publication number Publication date
BE802548A (fr) 1974-01-21
DE2235462A1 (de) 1974-01-31
JPS4945162A (cs) 1974-04-30
NL7310185A (cs) 1974-01-22

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Legal Events

Date Code Title Description
RE Withdrawal of published application