BR0007388A - Membrana de poliimida para separação de fluidos, polìmero de sal de ácido âmico de poliimida e processo para separar um ou mais gases de uma mistura de gases - Google Patents

Membrana de poliimida para separação de fluidos, polìmero de sal de ácido âmico de poliimida e processo para separar um ou mais gases de uma mistura de gases

Info

Publication number
BR0007388A
BR0007388A BR0007388-1A BR0007388A BR0007388A BR 0007388 A BR0007388 A BR 0007388A BR 0007388 A BR0007388 A BR 0007388A BR 0007388 A BR0007388 A BR 0007388A
Authority
BR
Brazil
Prior art keywords
polyimide
fluid separation
gases
gas mixture
acid salt
Prior art date
Application number
BR0007388-1A
Other languages
English (en)
Inventor
Yong Ding
Benjamin Bikson
Joyce Katz Nelson
James Timothy Macheras
Original Assignee
Praxair Technology 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
Application filed by Praxair Technology Inc filed Critical Praxair Technology Inc
Publication of BR0007388A publication Critical patent/BR0007388A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • 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
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/12—Composite membranes; Ultra-thin membranes
    • 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
    • B01D69/12—Composite membranes; Ultra-thin membranes
    • B01D69/1214—Chemically bonded layers, e.g. cross-linking
    • 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
    • B01D71/58—Other polymers having nitrogen in the main chain, with or without oxygen or carbon only
    • B01D71/62—Polycondensates having nitrogen-containing heterocyclic rings in the main chain
    • B01D71/64—Polyimides; Polyamide-imides; Polyester-imides; Polyamide acids or similar polyimide precursors
    • 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
    • B01D71/58—Other polymers having nitrogen in the main chain, with or without oxygen or carbon only
    • B01D71/62—Polycondensates having nitrogen-containing heterocyclic rings in the main chain
    • B01D71/64—Polyimides; Polyamide-imides; Polyester-imides; Polyamide acids or similar polyimide precursors
    • B01D71/641—Polyamide-imides
    • 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
    • B01D71/58—Other polymers having nitrogen in the main chain, with or without oxygen or carbon only
    • B01D71/62—Polycondensates having nitrogen-containing heterocyclic rings in the main chain
    • B01D71/64—Polyimides; Polyamide-imides; Polyester-imides; Polyamide acids or similar polyimide precursors
    • B01D71/643—Polyether-imides
    • 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
    • B01D71/76—Macromolecular material not specifically provided for in a single one of groups B01D71/08 - B01D71/74
    • B01D71/82—Macromolecular material not specifically provided for in a single one of groups B01D71/08 - B01D71/74 characterised by the presence of specified groups, e.g. introduced by chemical after-treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)

Abstract

"MEMBRANA DE POLIIMIDA PARA SEPARAçãO DE FLUIDOS, POLìMERO DE SAL DE áCIDO âMICO DE POLIIMIDA E PROCESSO PARA SEPARAR UM OU MAIS GASES DE UMA MISTURA DE GASES". A invenção refere-se à preparação e uso dos novos materiais poliméricos, sais de ácido âmico de poliimida (PIAAS). O uso destes materiais para a fabricação de membranas de separação de fluido é ainda descrito.
BR0007388-1A 1999-09-24 2000-09-22 Membrana de poliimida para separação de fluidos, polìmero de sal de ácido âmico de poliimida e processo para separar um ou mais gases de uma mistura de gases BR0007388A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/404,724 US6497747B1 (en) 1999-09-24 1999-09-24 Production and use of improved polyimide separation membranes

Publications (1)

Publication Number Publication Date
BR0007388A true BR0007388A (pt) 2002-01-02

Family

ID=23600775

Family Applications (3)

Application Number Title Priority Date Filing Date
BR0007389-0A BR0007389A (pt) 1999-09-24 2000-09-22 Processos para separação de um ou mais gases de uma mistura de gases e para produção de uma membrana de poliimida porosa e membrana de poliimida para separação de gases
BR0007390-3A BR0007390A (pt) 1999-09-24 2000-09-22 Artigo de poliimida e membrana de poliimida para separação de fluidos
BR0007388-1A BR0007388A (pt) 1999-09-24 2000-09-22 Membrana de poliimida para separação de fluidos, polìmero de sal de ácido âmico de poliimida e processo para separar um ou mais gases de uma mistura de gases

Family Applications Before (2)

Application Number Title Priority Date Filing Date
BR0007389-0A BR0007389A (pt) 1999-09-24 2000-09-22 Processos para separação de um ou mais gases de uma mistura de gases e para produção de uma membrana de poliimida porosa e membrana de poliimida para separação de gases
BR0007390-3A BR0007390A (pt) 1999-09-24 2000-09-22 Artigo de poliimida e membrana de poliimida para separação de fluidos

Country Status (5)

Country Link
US (2) US6497747B1 (pt)
EP (1) EP1086737B1 (pt)
CN (1) CN1293080A (pt)
BR (3) BR0007389A (pt)
DE (1) DE60031752T2 (pt)

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Also Published As

Publication number Publication date
BR0007390A (pt) 2002-01-02
EP1086737A3 (en) 2001-11-21
BR0007389A (pt) 2002-01-08
DE60031752T2 (de) 2007-09-20
DE60031752D1 (de) 2006-12-21
CN1293080A (zh) 2001-05-02
EP1086737A2 (en) 2001-03-28
US6790263B1 (en) 2004-09-14
EP1086737B1 (en) 2006-11-08
US6497747B1 (en) 2002-12-24

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