FR1307578A - Improvements in processes for the production of transparent polyethylene films and sheets - Google Patents

Improvements in processes for the production of transparent polyethylene films and sheets

Info

Publication number
FR1307578A
FR1307578A FR881020A FR881020A FR1307578A FR 1307578 A FR1307578 A FR 1307578A FR 881020 A FR881020 A FR 881020A FR 881020 A FR881020 A FR 881020A FR 1307578 A FR1307578 A FR 1307578A
Authority
FR
France
Prior art keywords
sheets
processes
production
polyethylene films
transparent polyethylene
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
FR881020A
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.)
WR Grace and Co
Original Assignee
WR Grace and 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 WR Grace and Co filed Critical WR Grace and Co
Priority to FR881020A priority Critical patent/FR1307578A/en
Application granted granted Critical
Publication of FR1307578A publication Critical patent/FR1307578A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/02—Chemical treatment or coating of shaped articles made of macromolecular substances with solvents, e.g. swelling agents
    • 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
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/005—Shaping by stretching, e.g. drawing through a die; Apparatus therefor characterised by the choice of materials
    • 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
    • B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
    • B29C71/02—Thermal after-treatment
    • 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
    • B29C2791/00—Shaping characteristics in general
    • B29C2791/004—Shaping under special conditions
    • 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
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/04—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique
    • 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
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/10—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial
    • B29C55/12—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial
    • 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
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/04—Polymers of ethylene
    • B29K2023/06—PE, i.e. polyethylene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/04—Homopolymers or copolymers of ethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/06—Polyethene

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
FR881020A 1961-12-05 1961-12-05 Improvements in processes for the production of transparent polyethylene films and sheets Expired FR1307578A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR881020A FR1307578A (en) 1961-12-05 1961-12-05 Improvements in processes for the production of transparent polyethylene films and sheets

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR881020A FR1307578A (en) 1961-12-05 1961-12-05 Improvements in processes for the production of transparent polyethylene films and sheets

Publications (1)

Publication Number Publication Date
FR1307578A true FR1307578A (en) 1962-10-26

Family

ID=8768100

Family Applications (1)

Application Number Title Priority Date Filing Date
FR881020A Expired FR1307578A (en) 1961-12-05 1961-12-05 Improvements in processes for the production of transparent polyethylene films and sheets

Country Status (1)

Country Link
FR (1) FR1307578A (en)

Similar Documents

Publication Publication Date Title
CA965564A (en) Process and device for the drawing of plastic sheets
FR1300219A (en) Improvements in expandable polymeric materials and processes for their production
FR1319532A (en) Improvements in processes and apparatus for the manufacture of flat glass in ribbon of regular thickness
FR1215198A (en) Improvements in processes and equipment for the manufacture of plastic containers
FR1337770A (en) Improvements in processes and apparatus for the production of flat glass
FR1307578A (en) Improvements in processes for the production of transparent polyethylene films and sheets
FR1397637A (en) Improvements to processes and devices for the manufacture of flat glass
FR1370821A (en) Improvements to processes and devices for the production of continuous sheets covered with coatings
FR1326679A (en) Improvements in apparatus for the production of film coatings or relating to them
FR1376805A (en) Improvements to processes and devices for the manufacture of flat glass
FR1349885A (en) Improvements in processes and apparatus for the manufacture of flat glass
FR1322854A (en) Methods and apparatus for the continuous treatment of synthetic resin sheets
FR1313384A (en) Thermoplastic sheets and films for packaging
FR1305247A (en) Improvements in methods and compositions for the production of films containing polyvinyl esters
FR1328603A (en) Method and device for the manufacture of sheets of thermoplastic materials
FR1322302A (en) Improvements to processes and materials for film coating
FR1315507A (en) Improvements in processes and devices for the production of negative ions
FR1324799A (en) Improvements to processes and apparatus for molding plastics
FR1345603A (en) Device and methods for the manufacture of containers
FR1381517A (en) Improvement in processes and apparatus for the preparation and application of mixtures
FR1375391A (en) Improvements to processes and devices for the manufacture of flat glass
FR1382374A (en) Improvements to processes and devices for the manufacture of flat glass
FR1394017A (en) Improvements to processes and devices for the manufacture of flat glass
FR1364284A (en) Improvements in processes and devices to increase weighing precision
FR1362042A (en) Improvements in processes for the production of tetrafluoroethylene