AT312911B - Process for the production of gas-permeable polymer films - Google Patents

Process for the production of gas-permeable polymer films

Info

Publication number
AT312911B
AT312911B AT812167A AT812167A AT312911B AT 312911 B AT312911 B AT 312911B AT 812167 A AT812167 A AT 812167A AT 812167 A AT812167 A AT 812167A AT 312911 B AT312911 B AT 312911B
Authority
AT
Austria
Prior art keywords
gas
production
polymer films
permeable polymer
permeable
Prior art date
Application number
AT812167A
Other languages
German (de)
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
Application granted granted Critical
Publication of AT312911B publication Critical patent/AT312911B/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)
AT812167A 1966-09-06 1967-09-05 Process for the production of gas-permeable polymer films AT312911B (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
AT312911B true AT312911B (en) 1974-01-25

Family

ID=24308738

Family Applications (1)

Application Number Title Priority Date Filing Date
AT812167A AT312911B (en) 1966-09-06 1967-09-05 Process for the production of gas-permeable polymer films

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
FR1553757A (en) 1969-01-17
CH510704A (en) 1971-07-31
DK123344B (en) 1972-06-12
FI50218B (en) 1975-09-30
DE1704546B2 (en) 1976-11-18
NL6712145A (en) 1968-03-07
GB1180066A (en) 1970-02-04
FI50218C (en) 1976-01-12
IL28508A (en) 1971-10-20
DE1704546A1 (en) 1972-03-23
ES344668A1 (en) 1969-01-01
NO130787C (en) 1975-02-12
NO130787B (en) 1974-11-04
SE349255B (en) 1972-09-25
BE703379A (en) 1968-03-01

Similar Documents

Publication Publication Date Title
CH534710A (en) Process for the production of moldings
CH488762A (en) Process for the production of polymers
AT274342B (en) Process for the production of block polymers
AT302989B (en) Process for the production of bromonitro alcohols
CH512626A (en) Process for the production of prepregs
CH488769A (en) Process for the production of moldings
CH531026A (en) Process for the production of moldings
CH496036A (en) Process for the production of foams
AT286648B (en) Process for the production of polymer particles
CH496534A (en) Process for the production of plastic films
CH504501A (en) Process for the production of foams
CH464644A (en) Process for the production of film resistors
AT301504B (en) Process for the production of alcohols
AT266810B (en) Process for the production of ɛ-caprolactone
CH484973A (en) Process for the production of polymers
CH501241A (en) Process for the production of diazotype films
AT312911B (en) Process for the production of gas-permeable polymer films
CH495832A (en) Process for the production of plastic films
CH480158A (en) Process for the production of polytetrafluoroethylene films
CH489556A (en) Process for the production of polymers
AT276754B (en) Process for the production of polymers
CH484960A (en) Process for the production of polymer films
CH483456A (en) Process for the production of acrylonitrile polymer solutions
CH541405A (en) Process for the production of polymer films
AT277575B (en) Process for the production of colored polymers

Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee