PT71024A - Methods for preparing anisotropic membranes and membranes prepared therefrom - Google Patents

Methods for preparing anisotropic membranes and membranes prepared therefrom

Info

Publication number
PT71024A
PT71024A PT71024A PT7102480A PT71024A PT 71024 A PT71024 A PT 71024A PT 71024 A PT71024 A PT 71024A PT 7102480 A PT7102480 A PT 7102480A PT 71024 A PT71024 A PT 71024A
Authority
PT
Portugal
Prior art keywords
membranes
methods
prepared therefrom
preparing anisotropic
preparing
Prior art date
Application number
PT71024A
Other languages
English (en)
Portuguese (pt)
Inventor
Albert Arthur Brooks
Jay Myls Stuart Henis
James Eckhardt Kurz
Mike Caldwell Readling
Mary Kathryn 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 PT71024A publication Critical patent/PT71024A/pt

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
    • B01D67/0081—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
    • 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
    • B01D67/0011—Casting solutions therefor
    • 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
    • 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
    • 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
    • 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
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
    • C08J3/09—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in organic liquids
    • C08J3/091—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in organic liquids characterised by the chemical constitution of the organic liquid
    • C08J3/096—Nitrogen containing compounds
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/30—Cross-linking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/34—Molecular weight or degree of polymerisation
    • 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
    • C08J2381/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen, or carbon only; Polysulfones; Derivatives of such polymers
    • C08J2381/06—Polysulfones; Polyethersulfones

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Dispersion Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Artificial Filaments (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
PT71024A 1979-03-28 1980-03-27 Methods for preparing anisotropic membranes and membranes prepared therefrom PT71024A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US2475479A 1979-03-28 1979-03-28
US11785180A 1980-02-20 1980-02-20

Publications (1)

Publication Number Publication Date
PT71024A true PT71024A (en) 1980-04-01

Family

ID=26698833

Family Applications (1)

Application Number Title Priority Date Filing Date
PT71024A PT71024A (en) 1979-03-28 1980-03-27 Methods for preparing anisotropic membranes and membranes prepared therefrom

Country Status (20)

Country Link
AR (1) AR220972A1 (es)
AU (1) AU532082B2 (es)
BR (1) BR8001873A (es)
CA (1) CA1141510A (es)
DD (1) DD150066A5 (es)
DE (1) DE3011917A1 (es)
DK (1) DK131780A (es)
ES (1) ES489884A0 (es)
FI (1) FI800977A (es)
FR (1) FR2452507A1 (es)
GB (2) GB2047162B (es)
GR (1) GR67255B (es)
IL (1) IL59581A0 (es)
IT (1) IT1131098B (es)
NL (1) NL8001845A (es)
NO (1) NO800893L (es)
PT (1) PT71024A (es)
RO (1) RO79464A (es)
SE (1) SE8002388L (es)
YU (1) YU86080A (es)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5831204B2 (ja) * 1980-03-10 1983-07-05 日東電工株式会社 ポリスルホン半透膜
CA1255860A (en) * 1982-12-10 1989-06-20 Katsuya Yamada Selectively permeable asymetric membrane of aromatic polyester
JPS59189903A (ja) * 1983-04-09 1984-10-27 Kanegafuchi Chem Ind Co Ltd 中空糸状フイルタ−およびその製法
FR2593721B1 (fr) * 1986-02-05 1988-05-20 Rhone Poulenc Rech Fibre creuse composite pour enlever de la vapeur d'eau a de l'air ou a du gaz carbonique
DE3782120T2 (de) * 1986-08-15 1993-02-11 Permea Inc Asymmetrische gastrennungsmembranen, deren haut einen dichtegradienten aufweisen.
US4728346A (en) * 1986-08-15 1988-03-01 Permea Inc. Permeation modified asymmetric gas separation membranes having graded density skins
US4871494A (en) * 1986-08-15 1989-10-03 Permea, Inc. Process for forming asymmetric gas separation membranes having graded density skins
US4900626A (en) * 1987-07-28 1990-02-13 Rhone-Poulenc Recherches Hollow composite fibers selectively permeable to water vapor
US4843733A (en) * 1988-05-10 1989-07-04 The Dow Chemical Company Process for drying water-wet polycarbonate membranes
DE3829752A1 (de) * 1988-09-01 1990-03-22 Akzo Gmbh Integrale asymmetrische polyaethersulfonmembran, verfahren zur herstellung und verwendung zur ultrafiltration und mikrofiltration
US4900334A (en) * 1988-11-09 1990-02-13 The Dow Chemical Company Process for treating a liquid-wet polycarbonate membrane to improve its gas separation properties
GB8916441D0 (en) * 1989-07-19 1989-09-06 Ici Plc Membranes
US4959082A (en) * 1989-07-20 1990-09-25 The Dow Chemical Company Polycarbonate gas separation membranes containing substituted benzenes and processes for making and using the same
CA2020511A1 (en) * 1989-09-05 1991-03-06 Francis X. Mueller, Jr. Gas separation membrane and process
US5009678A (en) * 1989-10-31 1991-04-23 Union Carbide Industrial Gases Technology Corporation Process for recovery of ammonia from an ammonia-containing gas mixture
JP3232117B2 (ja) * 1991-11-19 2001-11-26 鐘淵化学工業株式会社 ポリスルホン多孔質中空糸
US5788862A (en) * 1992-05-13 1998-08-04 Pall Corporation Filtration medium
US5480554A (en) * 1992-05-13 1996-01-02 Pall Corporation Integrity-testable wet-dry-reversible ultrafiltration membranes and method for testing same
US20190329183A1 (en) 2016-06-23 2019-10-31 Basf Se Use of a solution of polysulfone in n-acyl-morpholine for the fabrication of uf membranes
CN110342910B (zh) * 2019-08-21 2021-08-31 中国石油化工股份有限公司 由fcc废催化剂制备陶瓷中空纤维膜的方法及陶瓷中空纤维膜

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2404719A (en) * 1942-06-17 1946-07-23 Du Pont Acrylonitrile polymer solutions
FR1586563A (es) * 1968-10-29 1970-02-20
US3775361A (en) * 1971-10-21 1973-11-27 Du Pont Preparation of stable concentrated solutions of aromatic nitrogen-linked condensation polymers
US4127625A (en) * 1975-03-27 1978-11-28 Daicel Ltd. Process for preparing hollow fiber having selective gas permeability
ZA762209B (en) * 1975-04-23 1977-04-27 Envirogenics Syst Gas separation membrane
FR2410501A1 (fr) * 1976-11-15 1979-06-29 Monsanto Co Membranes a composants multiples pour des separations de gaz

Also Published As

Publication number Publication date
FI800977A (fi) 1980-09-29
IT1131098B (it) 1986-06-18
YU86080A (en) 1983-02-28
DD150066A5 (de) 1981-08-12
IL59581A0 (en) 1980-06-30
FR2452507A1 (fr) 1980-10-24
BR8001873A (pt) 1980-11-25
RO79464A (ro) 1982-07-06
DK131780A (da) 1980-09-29
GB2100181B (en) 1983-11-02
NO800893L (no) 1980-09-29
AU5689180A (en) 1980-10-02
DE3011917A1 (de) 1980-10-02
AR220972A1 (es) 1980-12-15
SE8002388L (sv) 1980-09-29
NL8001845A (nl) 1980-09-30
IT8020971A0 (it) 1980-03-27
CA1141510A (en) 1983-02-22
GB2100181A (en) 1982-12-22
GB2047162B (en) 1983-02-02
GB2047162A (en) 1980-11-26
ES8107038A1 (es) 1981-10-01
GR67255B (es) 1981-06-26
ES489884A0 (es) 1981-10-01
AU532082B2 (en) 1983-09-15

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