CA1027319A - Process for manufacturing porous polymer film - Google Patents

Process for manufacturing porous polymer film

Info

Publication number
CA1027319A
CA1027319A CA178,981A CA178981A CA1027319A CA 1027319 A CA1027319 A CA 1027319A CA 178981 A CA178981 A CA 178981A CA 1027319 A CA1027319 A CA 1027319A
Authority
CA
Canada
Prior art keywords
polymer film
porous polymer
manufacturing porous
manufacturing
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
CA178,981A
Other languages
French (fr)
Other versions
CA178981S (en
Inventor
Akio Tomago
Takashi Suzuki
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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
Priority claimed from JP8300272A external-priority patent/JPS5627532B2/ja
Priority claimed from JP10252772A external-priority patent/JPS521751B2/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of CA1027319A publication Critical patent/CA1027319A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B01D67/003—Organic membrane manufacture by inducing porosity into non porous precursor membranes by selective elimination of components, e.g. by leaching
    • 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
    • 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
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/26—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a solid phase from a macromolecular composition or article, e.g. leaching out
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/06—Insulating conductors or cables
    • H01B13/12—Insulating conductors or cables by applying loose fibres
CA178,981A 1972-08-18 1973-08-16 Process for manufacturing porous polymer film Expired CA1027319A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP8300272A JPS5627532B2 (en) 1972-08-18 1972-08-18
JP10252772A JPS521751B2 (en) 1972-10-12 1972-10-12

Publications (1)

Publication Number Publication Date
CA1027319A true CA1027319A (en) 1978-03-07

Family

ID=26424051

Family Applications (1)

Application Number Title Priority Date Filing Date
CA178,981A Expired CA1027319A (en) 1972-08-18 1973-08-16 Process for manufacturing porous polymer film

Country Status (5)

Country Link
CA (1) CA1027319A (en)
DE (1) DE2341542C3 (en)
FR (1) FR2196238B1 (en)
GB (1) GB1449644A (en)
NL (1) NL162107C (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51119069A (en) * 1975-03-20 1976-10-19 Nippon Oil Co Ltd Method of producing permeable film
JPS5939460B2 (en) * 1976-12-10 1984-09-22 日石三菱株式会社 Manufacturing method of porous membrane
AU1975583A (en) * 1982-09-30 1984-04-05 Extracorporeal Medical Specialties Inc. Making semipermeable membranes from polypropylene and a second polymer
GB8412673D0 (en) * 1984-05-18 1984-06-27 Raychem Ltd Polymer membrane
US5102917A (en) * 1990-09-14 1992-04-07 Cpc Engineering Corporation Porous polysulfone media suitable for filtration
CN113041848B (en) * 2021-03-24 2022-09-16 南京工业大学 Method for preparing block copolymer hollow fiber membrane by combining selective swelling and melt-spinning stretching method

Also Published As

Publication number Publication date
DE2341542A1 (en) 1974-03-21
FR2196238B1 (en) 1977-05-06
NL7311347A (en) 1974-02-20
NL162107C (en) 1980-04-15
DE2341542B2 (en) 1975-10-09
GB1449644A (en) 1976-09-15
DE2341542C3 (en) 1978-09-28
FR2196238A1 (en) 1974-03-15

Similar Documents

Publication Publication Date Title
CA1015087A (en) Polymerization process
AU463436B2 (en) Cross-linking process
CA1000683A (en) Polymer adsorbents and method for manufacture thereof
CA996353A (en) Hydrogasification process
AU463500B2 (en) Cross-linking process
CA1006391A (en) Photopolymer process
CA1027319A (en) Process for manufacturing porous polymer film
CA1026046A (en) Process for preparing polymers
CA1008848A (en) Process for crosslinking hydrophilic colloids
CA1028097A (en) Process for cross-linking polyfluoropolymers
CA926071A (en) Process for producing polymeric film
CA1026489A (en) Polymerization process
CA1006297A (en) High polymer electret
CA999694A (en) Process for preparing copolymer
AU476669B2 (en) Vulcanisation process
CA1033370A (en) Process for producing liquid polymer
AU475397B2 (en) Polymerization process
CA915374A (en) Processes for making microporous polymer sheets
CA912375A (en) Film coating process
CA911795A (en) Photographic process
CA904643A (en) Photographic process
CA898582A (en) Photographic process
CA892456A (en) Process for making filamentary materials
CA891974A (en) Process for making photographic elements
CA912735A (en) Process for the purification of polymer solutions