FR1399795A - Process for the production of polypropylene film - Google Patents

Process for the production of polypropylene film

Info

Publication number
FR1399795A
FR1399795A FR44733A FR69044733A FR1399795A FR 1399795 A FR1399795 A FR 1399795A FR 44733 A FR44733 A FR 44733A FR 69044733 A FR69044733 A FR 69044733A FR 1399795 A FR1399795 A FR 1399795A
Authority
FR
France
Prior art keywords
production
polypropylene film
polypropylene
film
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
FR44733A
Other languages
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.)
Hercules Powder Co
Original Assignee
Hercules Powder Co
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 Hercules Powder Co filed Critical Hercules Powder Co
Application granted granted Critical
Publication of FR1399795A publication Critical patent/FR1399795A/en
Expired 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
    • B29C48/917—Cooling of flat articles, e.g. using specially adapted supporting means with means for improving the adhesion to the supporting means by applying pressurised gas to the surface of the flat article
    • 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
    • B29C48/91—Heating, e.g. for cross linking
    • 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)
  • Compositions Of Macromolecular Compounds (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
FR44733A 1963-04-29 1964-04-24 Process for the production of polypropylene film Expired FR1399795A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US27634863A 1963-04-29 1963-04-29
US33770263A 1963-12-31 1963-12-31

Publications (1)

Publication Number Publication Date
FR1399795A true FR1399795A (en) 1965-05-21

Family

ID=27158973

Family Applications (1)

Application Number Title Priority Date Filing Date
FR44733A Expired FR1399795A (en) 1963-04-29 1964-04-24 Process for the production of polypropylene film

Country Status (4)

Country Link
BE (1) BE647308A (en)
FR (1) FR1399795A (en)
GB (1) GB1016758A (en)
NL (1) NL6404695A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3331749A1 (en) * 1982-09-06 1984-03-08 Toyo Soda Manufacturing Co., Ltd., Shinnanyo, Yamaguchi Soft film made of polpropylene

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2630817C3 (en) * 1976-07-08 1982-05-13 Alkor GmbH Kunststoffverkauf, 8000 München Process for welding unstretched polypropylene-containing polymer films
DE3408613C3 (en) * 1984-03-09 1996-02-08 Alkor Gmbh Method and device for producing undrawn polypropylene films with improved weldability

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3331749A1 (en) * 1982-09-06 1984-03-08 Toyo Soda Manufacturing Co., Ltd., Shinnanyo, Yamaguchi Soft film made of polpropylene
FR2532652A1 (en) * 1982-09-06 1984-03-09 Toyo Soda Mfg Co Ltd Transparent non-tacky, soft polypropylene film

Also Published As

Publication number Publication date
BE647308A (en) 1964-10-29
GB1016758A (en) 1966-01-12
NL6404695A (en) 1964-10-30

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