BRPI0412741A - diafragmas assimétricos integralmente revestidos, resistentes a solventes - Google Patents

diafragmas assimétricos integralmente revestidos, resistentes a solventes

Info

Publication number
BRPI0412741A
BRPI0412741A BRPI0412741-2A BRPI0412741A BRPI0412741A BR PI0412741 A BRPI0412741 A BR PI0412741A BR PI0412741 A BRPI0412741 A BR PI0412741A BR PI0412741 A BRPI0412741 A BR PI0412741A
Authority
BR
Brazil
Prior art keywords
diaphragms
diaphragm
solvent
integrally
asymmetric
Prior art date
Application number
BRPI0412741-2A
Other languages
English (en)
Inventor
Richard Cranford
Christian Roy
Original Assignee
Univ Laval
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 Univ Laval filed Critical Univ Laval
Publication of BRPI0412741A publication Critical patent/BRPI0412741A/pt

Links

Classifications

    • 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
    • B01D53/228—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 characterised by specific membranes
    • 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
    • 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
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/02—Details relating to pores or porosity of the membranes
    • B01D2325/022—Asymmetric membranes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Hydrogen, Water And Hydrids (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

"DIAFRAGMAS ASSIMéTRICOS INTEGRALMENTE REVESTIDOS, RESISTENTES A SOLVENTES". A presente invenção refere-se a um diafragma assimétrico integralmente revestido, compreendendo uma poliimida e outro polímero selecionado do grupo, consistindo de polivinilpirrolidona, polieteretercetonas sulfonadas e suas misturas. O diafragma que é substancialmente insolúvel em um agente orgânico e substancialmente isento de falhas. é útil como diafragma para a separação de vapor. São também revelados métodos para o preparo de diafragmas assimétricos de poliimida integralmente revestidos.
BRPI0412741-2A 2003-07-18 2004-07-16 diafragmas assimétricos integralmente revestidos, resistentes a solventes BRPI0412741A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA002435538A CA2435538A1 (en) 2003-07-18 2003-07-18 Solvent resistant asymmetric integrally skinned membranes
PCT/CA2004/001047 WO2005007277A1 (en) 2003-07-18 2004-07-16 Solvent resistant asymmetric integrally skinned membranes

Publications (1)

Publication Number Publication Date
BRPI0412741A true BRPI0412741A (pt) 2006-09-26

Family

ID=34069908

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0412741-2A BRPI0412741A (pt) 2003-07-18 2004-07-16 diafragmas assimétricos integralmente revestidos, resistentes a solventes

Country Status (9)

Country Link
US (2) US7556677B2 (pt)
EP (1) EP1651332B1 (pt)
JP (1) JP2006528057A (pt)
AT (1) ATE399052T1 (pt)
BR (1) BRPI0412741A (pt)
CA (1) CA2435538A1 (pt)
DE (1) DE602004014621D1 (pt)
ES (1) ES2309525T3 (pt)
WO (1) WO2005007277A1 (pt)

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Also Published As

Publication number Publication date
CA2435538A1 (en) 2005-01-18
JP2006528057A (ja) 2006-12-14
DE602004014621D1 (de) 2008-08-07
EP1651332A1 (en) 2006-05-03
WO2005007277A1 (en) 2005-01-27
EP1651332B1 (en) 2008-06-25
US7556677B2 (en) 2009-07-07
ATE399052T1 (de) 2008-07-15
ES2309525T3 (es) 2008-12-16
US20060117955A1 (en) 2006-06-08
US20070180994A1 (en) 2007-08-09

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B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

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B06G Technical and formal requirements: other requirements [chapter 6.7 patent gazette]

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B08G Application fees: restoration [chapter 8.7 patent gazette]
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]

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