ZA801826B - Methods for preparing anisotropic membranes and membranes prepared therefrom - Google Patents

Methods for preparing anisotropic membranes and membranes prepared therefrom

Info

Publication number
ZA801826B
ZA801826B ZA00801826A ZA801826A ZA801826B ZA 801826 B ZA801826 B ZA 801826B ZA 00801826 A ZA00801826 A ZA 00801826A ZA 801826 A ZA801826 A ZA 801826A ZA 801826 B ZA801826 B ZA 801826B
Authority
ZA
South Africa
Prior art keywords
membranes
methods
prepared therefrom
preparing anisotropic
preparing
Prior art date
Application number
ZA00801826A
Inventor
J Kurz
M Readling
J Henis
A Brooks
M Tripodi
Original Assignee
Monsanto 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 Monsanto Co filed Critical Monsanto Co
Publication of ZA801826B publication Critical patent/ZA801826B/en

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
    • B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
    • B01D67/0016—Coagulation
    • B01D67/00165—Composition of the coagulation baths
    • 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
    • B01D67/0081—After-treatment of organic or inorganic membranes
    • B01D67/0088—Physical treatment with compounds, e.g. swelling, coating or impregnation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/22—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion
    • 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
    • B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
    • B01D67/0016—Coagulation
    • 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
    • B01D71/66—Polymers having sulfur in the main chain, with or without nitrogen, oxygen or carbon only
    • B01D71/68—Polysulfones; Polyethersulfones
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
ZA00801826A 1979-03-28 1980-03-27 Methods for preparing anisotropic membranes and membranes prepared therefrom ZA801826B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US2475479A 1979-03-28 1979-03-28

Publications (1)

Publication Number Publication Date
ZA801826B true ZA801826B (en) 1981-03-25

Family

ID=21822229

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00801826A ZA801826B (en) 1979-03-28 1980-03-27 Methods for preparing anisotropic membranes and membranes prepared therefrom

Country Status (5)

Country Link
JP (1) JPS5825371B2 (en)
BE (1) BE882475A (en)
IN (1) IN153308B (en)
PL (1) PL223052A1 (en)
ZA (1) ZA801826B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5794304A (en) * 1980-12-03 1982-06-11 Sumitomo Chem Co Ltd Gas separating membrane made of polysulfone hollow fiber and its manufacture
JPS588506A (en) * 1981-07-08 1983-01-18 Toyobo Co Ltd Selective separation membrane
US4822489A (en) * 1981-08-22 1989-04-18 Asahi Kasei Kogyo Kabushiki Kaisha Aromatic polysulfone type resin hollow fiber membrane and a process for producing the same
JPS58132111A (en) * 1982-01-29 1983-08-06 Asahi Chem Ind Co Ltd Polysulfone hollow fiber
US5013767A (en) * 1989-09-27 1991-05-07 Permea, Inc. Asymmetric gas separation membranes having improved strength
JPH0499757U (en) * 1991-02-05 1992-08-28
WO2020066521A1 (en) * 2018-09-28 2020-04-02 東レ株式会社 Composite semipermeable membrane and method for manufacturing same
CN109722752B (en) * 2018-12-27 2021-06-08 北京光华纺织集团有限公司 Combined yarn for weaving soft wear-resistant multicolor denim and denim

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5543362B2 (en) * 1973-11-22 1980-11-06
JPS5538366B2 (en) * 1974-03-13 1980-10-03

Also Published As

Publication number Publication date
PL223052A1 (en) 1981-01-30
BE882475A (en) 1980-09-29
JPS5825371B2 (en) 1983-05-27
IN153308B (en) 1984-06-30
JPS55149330A (en) 1980-11-20

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