ZA837304B - Semipermeable membranes and method of making the same - Google Patents

Semipermeable membranes and method of making the same

Info

Publication number
ZA837304B
ZA837304B ZA837304A ZA837304A ZA837304B ZA 837304 B ZA837304 B ZA 837304B ZA 837304 A ZA837304 A ZA 837304A ZA 837304 A ZA837304 A ZA 837304A ZA 837304 B ZA837304 B ZA 837304B
Authority
ZA
South Africa
Prior art keywords
making
same
semipermeable membranes
semipermeable
membranes
Prior art date
Application number
ZA837304A
Other languages
English (en)
Inventor
Jeffrey G Clark
John A Taylor
Original Assignee
Extracorporeal Med Spec
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 Extracorporeal Med Spec filed Critical Extracorporeal Med Spec
Publication of ZA837304B publication Critical patent/ZA837304B/xx

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
    • B01D67/0031—Organic membrane manufacture by inducing porosity into non porous precursor membranes by selective elimination of components, e.g. by leaching by elimination of at least one of the blocks of a block copolymer
    • 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
    • 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
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/08—Hollow fibre membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/26—Polyalkenes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/26—Polyalkenes
    • B01D71/262—Polypropylene

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
ZA837304A 1982-09-30 1983-09-29 Semipermeable membranes and method of making the same ZA837304B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US43055982A 1982-09-30 1982-09-30

Publications (1)

Publication Number Publication Date
ZA837304B true ZA837304B (en) 1985-05-29

Family

ID=23708050

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA837304A ZA837304B (en) 1982-09-30 1983-09-29 Semipermeable membranes and method of making the same

Country Status (6)

Country Link
EP (1) EP0112614A3 (xx)
JP (1) JPS5998707A (xx)
AU (1) AU1975583A (xx)
BR (1) BR8305408A (xx)
ES (2) ES8504224A1 (xx)
ZA (1) ZA837304B (xx)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61114702A (ja) * 1984-11-09 1986-06-02 Terumo Corp 平膜型透過性膜の製造方法
JPS6190704A (ja) * 1984-10-09 1986-05-08 Terumo Corp 中空糸膜
JPS6190705A (ja) * 1984-10-09 1986-05-08 Terumo Corp 中空糸膜の製造方法
JPS6190707A (ja) * 1984-10-09 1986-05-08 Terumo Corp 中空糸膜の製造方法
JPS61114701A (ja) * 1984-11-09 1986-06-02 Terumo Corp 平膜型透過性膜およびその製造方法
US4754089A (en) * 1986-12-05 1988-06-28 Sepracor Inc. Phase transfer catalysis
US4874567A (en) * 1987-04-24 1989-10-17 Millipore Corporation Microporous membranes from polypropylene
JPH01168303A (ja) * 1987-12-22 1989-07-03 Terumo Corp 多孔質中空糸膜およびその製造方法ならびに人工肺
CN114733364B (zh) * 2021-01-07 2023-06-30 杭州费尔新材料有限公司 一种低杂质的聚烯烃中空纤维膜的制备方法
CN114733363B (zh) * 2021-01-07 2023-10-31 杭州费尔新材料有限公司 一种聚烯烃气体交换膜的制备工艺

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS498506B1 (xx) * 1970-05-08 1974-02-26
DE2108293A1 (en) * 1971-02-20 1972-08-31 Metallgesellschaft Ag Polyolefine - base articles - plasticised in presence of pvc
DE2341542C3 (de) * 1972-08-18 1978-09-28 Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka (Japan) Herstellen poröser Folien aus makromolekularen Stoffen
JPS5939460B2 (ja) * 1976-12-10 1984-09-22 日石三菱株式会社 多孔膜の製法
NO153879C (no) * 1978-07-31 1986-06-11 Akzo Nv Fremstilling av en membran med poroes overflate.
US4237083A (en) * 1979-02-13 1980-12-02 Evans Products Company Process of manufacturing a microporous sheet material
JPS56159128A (en) * 1980-05-15 1981-12-08 Asahi Chem Ind Co Ltd Thermoplastic resin porous film and production thereof

Also Published As

Publication number Publication date
EP0112614A2 (en) 1984-07-04
ES8506334A1 (es) 1985-07-01
EP0112614A3 (en) 1985-05-08
ES526182A0 (es) 1984-10-01
AU1975583A (en) 1984-04-05
ES8504224A1 (es) 1984-10-01
JPS5998707A (ja) 1984-06-07
ES533114A0 (es) 1985-07-01
BR8305408A (pt) 1984-05-15

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