FI50218C - Process for producing a polymer film, in particular a polypropylene or polyethylene film. - Google Patents

Process for producing a polymer film, in particular a polypropylene or polyethylene film.

Info

Publication number
FI50218C
FI50218C FI672390A FI239067A FI50218C FI 50218 C FI50218 C FI 50218C FI 672390 A FI672390 A FI 672390A FI 239067 A FI239067 A FI 239067A FI 50218 C FI50218 C FI 50218C
Authority
FI
Finland
Prior art keywords
polypropylene
producing
film
polymer film
polyethylene film
Prior art date
Application number
FI672390A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI50218B (en
Inventor
Robert Burton Isaacson
Harvey Steven Bierenbaum
Original Assignee
Celanese Corp
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 Celanese Corp filed Critical Celanese Corp
Publication of FI50218B publication Critical patent/FI50218B/fi
Application granted granted Critical
Publication of FI50218C publication Critical patent/FI50218C/en

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
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/20—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002—Organic membrane manufacture
    • B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
    • B01D67/0025—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching
    • B01D67/0027—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching by stretching
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
    • 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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0012—Combinations of extrusion moulding with other shaping operations combined with shaping by internal pressure generated in the material, e.g. foaming
    • 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
    • B29C48/03—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
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
FI672390A 1966-09-06 1967-09-05 Process for producing a polymer film, in particular a polypropylene or polyethylene film. FI50218C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US57743966A 1966-09-06 1966-09-06

Publications (2)

Publication Number Publication Date
FI50218B FI50218B (en) 1975-09-30
FI50218C true FI50218C (en) 1976-01-12

Family

ID=24308738

Family Applications (1)

Application Number Title Priority Date Filing Date
FI672390A FI50218C (en) 1966-09-06 1967-09-05 Process for producing a polymer film, in particular a polypropylene or polyethylene film.

Country Status (13)

Country Link
AT (1) AT312911B (en)
BE (1) BE703379A (en)
CH (1) CH510704A (en)
DE (1) DE1704546B2 (en)
DK (1) DK123344B (en)
ES (1) ES344668A1 (en)
FI (1) FI50218C (en)
FR (1) FR1553757A (en)
GB (1) GB1180066A (en)
IL (1) IL28508A (en)
NL (1) NL6712145A (en)
NO (1) NO130787C (en)
SE (1) SE349255B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5215627A (en) * 1975-07-09 1977-02-05 Mitsubishi Rayon Co Ltd Porous polypropylene hollow fibers and a process for manufacturing the m
JPS61146308A (en) * 1984-12-21 1986-07-04 Ube Ind Ltd Preparation of porous polypropylene hollow yarn or film

Also Published As

Publication number Publication date
FI50218B (en) 1975-09-30
CH510704A (en) 1971-07-31
DE1704546A1 (en) 1972-03-23
DK123344B (en) 1972-06-12
NL6712145A (en) 1968-03-07
AT312911B (en) 1974-01-25
ES344668A1 (en) 1969-01-01
IL28508A (en) 1971-10-20
DE1704546B2 (en) 1976-11-18
BE703379A (en) 1968-03-01
FR1553757A (en) 1969-01-17
NO130787C (en) 1975-02-12
SE349255B (en) 1972-09-25
NO130787B (en) 1974-11-04
GB1180066A (en) 1970-02-04

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