CA2532573C - Membranes asymetriques en peau integrale resistant aux solvants - Google Patents

Membranes asymetriques en peau integrale resistant aux solvants Download PDF

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Publication number
CA2532573C
CA2532573C CA002532573A CA2532573A CA2532573C CA 2532573 C CA2532573 C CA 2532573C CA 002532573 A CA002532573 A CA 002532573A CA 2532573 A CA2532573 A CA 2532573A CA 2532573 C CA2532573 C CA 2532573C
Authority
CA
Canada
Prior art keywords
membrane
water
dianhydride
solution
group
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 - Fee Related
Application number
CA002532573A
Other languages
English (en)
Other versions
CA2532573A1 (fr
Inventor
Richard Cranford
Christian Roy
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.)
Vaperma Inc
Original Assignee
Vaperma Inc
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 CA002435538A external-priority patent/CA2435538A1/fr
Application filed by Vaperma Inc filed Critical Vaperma Inc
Priority to CA002532573A priority Critical patent/CA2532573C/fr
Publication of CA2532573A1 publication Critical patent/CA2532573A1/fr
Application granted granted Critical
Publication of CA2532573C publication Critical patent/CA2532573C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/50Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification
    • C01B3/501Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification by diffusion
    • C01B3/503Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification by diffusion characterised by the membrane
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/22Separation 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
    • B01D53/228Separation 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 characterised by specific membranes
    • 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
    • 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
    • B01D69/087Details relating to the spinning process
    • 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
    • B01D71/58Other polymers having nitrogen in the main chain, with or without oxygen or carbon only
    • B01D71/62Polycondensates having nitrogen-containing heterocyclic rings in the main chain
    • B01D71/64Polyimides; Polyamide-imides; Polyester-imides; Polyamide acids or similar polyimide precursors
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L39/00Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen; Compositions of derivatives of such polymers
    • C08L39/04Homopolymers or copolymers of monomers containing heterocyclic rings having nitrogen as ring member
    • C08L39/06Homopolymers or copolymers of N-vinyl-pyrrolidones
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2323/00Details relating to membrane preparation
    • B01D2323/08Specific temperatures applied
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2325/00Details relating to properties of membranes
    • B01D2325/02Details relating to pores or porosity of the membranes
    • B01D2325/022Asymmetric membranes
    • B01D2325/0232Dense layer on both outer sides of the membrane
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2325/00Details relating to properties of membranes
    • B01D2325/30Chemical resistance

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Analytical Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Inorganic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
CA002532573A 2003-07-18 2004-07-16 Membranes asymetriques en peau integrale resistant aux solvants Expired - Fee Related CA2532573C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA002532573A CA2532573C (fr) 2003-07-18 2004-07-16 Membranes asymetriques en peau integrale resistant aux solvants

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CA2,435,538 2003-07-18
CA002435538A CA2435538A1 (fr) 2003-07-18 2003-07-18 Membranes asymetriques resistant aux solvants et integralement lisses
CA002532573A CA2532573C (fr) 2003-07-18 2004-07-16 Membranes asymetriques en peau integrale resistant aux solvants
PCT/CA2004/001047 WO2005007277A1 (fr) 2003-07-18 2004-07-16 Membranes asymetriques en peau integrale resistant aux solvants

Publications (2)

Publication Number Publication Date
CA2532573A1 CA2532573A1 (fr) 2005-01-27
CA2532573C true CA2532573C (fr) 2007-05-01

Family

ID=36087493

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002532573A Expired - Fee Related CA2532573C (fr) 2003-07-18 2004-07-16 Membranes asymetriques en peau integrale resistant aux solvants

Country Status (1)

Country Link
CA (1) CA2532573C (fr)

Also Published As

Publication number Publication date
CA2532573A1 (fr) 2005-01-27

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