BR8001873A - Processo para produzir uma membrana anisotropica, e membrana anisotropica, e membrana assim produzida - Google Patents

Processo para produzir uma membrana anisotropica, e membrana anisotropica, e membrana assim produzida

Info

Publication number
BR8001873A
BR8001873A BR8001873A BR8001873A BR8001873A BR 8001873 A BR8001873 A BR 8001873A BR 8001873 A BR8001873 A BR 8001873A BR 8001873 A BR8001873 A BR 8001873A BR 8001873 A BR8001873 A BR 8001873A
Authority
BR
Brazil
Prior art keywords
membrane
anisotropic
produced
produce
anisotropic membrane
Prior art date
Application number
BR8001873A
Other languages
English (en)
Portuguese (pt)
Inventor
A Brooks
M Tripodi
J Henis
J Kurz
M Readling
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 BR8001873A publication Critical patent/BR8001873A/pt

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0081After-treatment of organic or inorganic membranes
    • B01D67/0088Physical treatment with compounds, e.g. swelling, coating or impregnation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002Organic membrane manufacture
    • B01D67/0009Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
    • B01D67/0011Casting solutions therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002Organic membrane manufacture
    • B01D67/0009Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
    • B01D67/0016Coagulation
    • B01D67/00165Composition of the coagulation baths
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/02Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/08Hollow fibre membranes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06Organic material
    • B01D71/66Polymers having sulfur in the main chain, with or without nitrogen, oxygen or carbon only
    • B01D71/68Polysulfones; Polyethersulfones
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00Processes of treating or compounding macromolecular substances
    • C08J3/02Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
    • C08J3/09Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in organic liquids
    • C08J3/091Making 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
    • C08J3/096Nitrogen containing compounds
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like
    • D01D5/24Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2323/00Details relating to membrane preparation
    • B01D2323/30Cross-linking
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2325/00Details relating to properties of membranes
    • B01D2325/34Molecular weight or degree of polymerisation
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2381/00Characterised 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
    • C08J2381/06Polysulfones; 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)
BR8001873A 1979-03-28 1980-03-27 Processo para produzir uma membrana anisotropica, e membrana anisotropica, e membrana assim produzida BR8001873A (pt)

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
BR8001873A true BR8001873A (pt) 1980-11-25

Family

ID=26698833

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8001873A BR8001873A (pt) 1979-03-28 1980-03-27 Processo para produzir uma membrana anisotropica, e membrana anisotropica, e membrana assim produzida

Country Status (20)

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

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 (el) * 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
PT71024A (en) 1980-04-01
DD150066A5 (de) 1981-08-12
IL59581A0 (en) 1980-06-30
FR2452507A1 (fr) 1980-10-24
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 (el) 1981-06-26
ES489884A0 (es) 1981-10-01
AU532082B2 (en) 1983-09-15

Similar Documents

Publication Publication Date Title
BR8001873A (pt) Processo para produzir uma membrana anisotropica, e membrana anisotropica, e membrana assim produzida
BR8005980A (pt) Membrana contendo polacrilonitrila, modificada, porosa, processo para prepara-la, processo para fabricar uma membrana semipermeavel, e processo de ultrafiltracao
BR8001431A (pt) Processo para reduzir o numero de microorganismos vivedouros em meios
BR7606224A (pt) Membrana composita semipermeavel e processo para preparar a mesma
BR8008422A (pt) Aparelho de eletrolise e processo para produzir um aparelho de eletrolise
BR7705790A (pt) Estrutura de polimero microporosa,e processo para sua preparacao
IT8022468A0 (it) Membrana fluorurata a scambio cationico e processo per produrla.
BR7708690A (pt) Processo para produzir capsulas polimericas diminutas;e capsulas polimericas diminutas
BR7801164A (pt) Composicao de pigmentador finamente dividida,mistura de revelador eletrostatografico,processo de formacao de imagens eletrostatograficas e processo para preparacao do dito pigmentador
BR7903564A (pt) Composicao aquosa de polimero,composicao espessante e processo para o espessamento de uma composicao aquosa
IT7820120A0 (it) Proteine filate e processo per ottenere dette proteine.
BR7704416A (pt) Aperfeicoamento em processo de hidroformilar uma alfa-olefina para produzir aldeidos
BR7706212A (pt) Processo para preparacao de novas composicoes de betumes,e composicoes assim obtidas
BR7706468A (pt) Membrana consistindo de uma estrutura microporosa que tem propriedades semipermeaveis,e processo para produzir a mesma
BR7703055A (pt) Conjunto de cabeca de poco,produto manufaturado para ser usado no mesmo e processo para montar tal conjunto
BR8001763A (pt) Emulsao concentrada pesticidamente ativa e processo para preparar uma emulsao
BR8203156A (pt) Processo para preparar 2,4-dinitro-tolueno e processo aperfeicoado para produzir dinitro-toluenos
BR7708732A (pt) Polimeros de grupamentos de imidas e processo para preparalos
BR8008035A (pt) Processo para produzir coque e meio para fabricar metano
BR8000787A (pt) Processo para produzir uma magnetita sintetica romboedrica,e magnetita assim obtida
BR7806967A (pt) Membrana sintetica anisotropica altamente permeavel e processo de sua preparacao
BR7606916A (pt) Azocorantes,processo para sua preparacao e sua aplicacao
BR7704708A (pt) Processo para estabelecer uma ligacao hidraulica e a ligacao hidraulica obtida
BR8000445A (pt) Processo aperfeicoado para eliminar o pre-umedecimento e pos-secagem de uma tela, e, tela de pano
BR7405089D0 (pt) Poli-eter-imidas e processo para produzi-las