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ATE80059T1 - Die verwendung von polycarbonat enthaltenden semipermable membranen fuer die trennung von gasen. - Google Patents

Die verwendung von polycarbonat enthaltenden semipermable membranen fuer die trennung von gasen.

Info

Publication number
ATE80059T1
ATE80059T1 AT87303173T AT87303173T ATE80059T1 AT E80059 T1 ATE80059 T1 AT E80059T1 AT 87303173 T AT87303173 T AT 87303173T AT 87303173 T AT87303173 T AT 87303173T AT E80059 T1 ATE80059 T1 AT E80059T1
Authority
AT
Austria
Prior art keywords
nitrogen
semipermable
membranes
gases
separation
Prior art date
Application number
AT87303173T
Other languages
English (en)
Inventor
Joginder N Anada
Darrell C Feay
Stephen E Bales
Thomas O Jeanes
Original Assignee
Dow Chemical 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 Dow Chemical Co filed Critical Dow Chemical Co
Application granted granted Critical
Publication of ATE80059T1 publication Critical patent/ATE80059T1/de

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D61/00Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G64/00Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
    • C08G64/04Aromatic polycarbonates
    • C08G64/06Aromatic polycarbonates not containing aliphatic unsaturation
    • C08G64/08Aromatic polycarbonates not containing aliphatic unsaturation containing atoms other than carbon, hydrogen or oxygen
    • C08G64/10Aromatic polycarbonates not containing aliphatic unsaturation containing atoms other than carbon, hydrogen or oxygen containing halogens
    • 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
    • B01D71/50Polycarbonates
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B13/00Oxygen; Ozone; Oxides or hydroxides in general
    • C01B13/02Preparation of oxygen
    • C01B13/0229Purification or separation processes
    • C01B13/0248Physical processing only
    • C01B13/0251Physical processing only by making use of membranes
    • C01B13/0255Physical processing only by making use of membranes characterised by the type of membrane
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00Nitrogen; Compounds thereof
    • C01B21/04Purification or separation of nitrogen
    • C01B21/0405Purification or separation processes
    • C01B21/0433Physical processing only
    • C01B21/0438Physical processing only by making use of membranes
    • C01B21/0444Physical processing only by making use of membranes characterised by the membrane
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00Carbon; Compounds thereof
    • C01B32/50Carbon dioxide
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00Purification; Separation; Use of additives
    • C07C7/144Purification; Separation; Use of additives using membranes, e.g. selective permeation
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2210/00Purification or separation of specific gases
    • C01B2210/0043Impurity removed
    • C01B2210/0045Oxygen
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2210/00Purification or separation of specific gases
    • C01B2210/0043Impurity removed
    • C01B2210/0046Nitrogen

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Polyesters Or Polycarbonates (AREA)
AT87303173T 1986-04-14 1987-04-10 Die verwendung von polycarbonat enthaltenden semipermable membranen fuer die trennung von gasen. ATE80059T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US85175886A 1986-04-14 1986-04-14
EP87303173A EP0242147B1 (de) 1986-04-14 1987-04-10 Die Verwendung von Polycarbonat enthaltenden semipermable membranen für die Trennung von Gasen.

Publications (1)

Publication Number Publication Date
ATE80059T1 true ATE80059T1 (de) 1992-09-15

Family

ID=25311609

Family Applications (1)

Application Number Title Priority Date Filing Date
AT87303173T ATE80059T1 (de) 1986-04-14 1987-04-10 Die verwendung von polycarbonat enthaltenden semipermable membranen fuer die trennung von gasen.

Country Status (10)

Country Link
EP (1) EP0242147B1 (de)
JP (1) JP2699168B2 (de)
KR (1) KR900004583B1 (de)
CN (1) CN1010751B (de)
AT (1) ATE80059T1 (de)
AU (1) AU594755B2 (de)
CA (1) CA1322443C (de)
DE (1) DE3781449T2 (de)
IN (1) IN169524B (de)
MY (1) MY101647A (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4840646A (en) * 1986-04-28 1989-06-20 The Dow Chemical Company Tetrabromo bisphenol based polyestercarbonate membranes and method of using
CA1322442C (en) * 1986-04-28 1993-09-28 Joginder N. Anand Tetrabromo bisphenol based polyestercarbonate membranes and method of using
US4794156A (en) * 1987-08-04 1988-12-27 The Dow Chemical Company Two stage catalytic production of high molecular weight polyhalobisphenol polycarbonates
US4962131A (en) * 1987-11-06 1990-10-09 The Dow Chemical Company Composition useful in process for preparing powadir membranes from tetrahalobisphenol a polycarbonates
US4874401A (en) * 1987-11-20 1989-10-17 The Dow Chemical Company Gas separation membranes from bisphenol AF polycarbonates and polyestercarbonates
US4843733A (en) * 1988-05-10 1989-07-04 The Dow Chemical Company Process for drying water-wet polycarbonate membranes
US4851014A (en) * 1988-07-01 1989-07-25 The Dow Chemical Company Gas separation membranes derived from polycarbonates, polyesters, and polyestercarbonates containing tetrafluorobisphenol F
US4975228A (en) * 1988-07-29 1990-12-04 The Dow Chemical Company Process for preparing membranes from tetrahalobisphenol polycarbonates
US4902758A (en) * 1988-10-24 1990-02-20 The Dow Chemical Company Preparation of segmented block copolycarbonates
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
US5055114A (en) * 1988-12-27 1991-10-08 Union Carbide Industrial Gases Technology Corporation Semipermeable membranes based on specified tetrabromobisphenol type polyesters
US4994095A (en) * 1988-12-27 1991-02-19 Union Carbide Industrial Gases Technology Corporation Semipermeable membranes based on specific 4,4'-(1H-alkylidene)bis[2,3,6-trialkylphenol]type polyesters
US5000763A (en) * 1989-06-14 1991-03-19 The Dow Chemical Company Process for separating hydrogen from gas mixtures using a semi-permeable membrane consisting predominantly of polycarbonates derived from tetrahalobisphenols
DE69114545T2 (de) * 1990-03-01 1996-07-04 Praxair Technology Inc Semipermeable Polyester-Membranen auf der Basis von Tetrabrombisphenol A.

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US37730A (en) * 1863-02-24 Improvement in churns
NL104015C (de) * 1953-10-16
US3256675A (en) * 1962-11-30 1966-06-21 Gen Electric Method and apparatus for gas separation by thin films or membranes
US3822202A (en) * 1972-07-20 1974-07-02 Du Pont Heat treatment of membranes of selected polyimides,polyesters and polyamides
DE2248818C2 (de) * 1972-10-05 1981-10-15 Bayer Ag, 5090 Leverkusen Dünne porenfreie Polycarbonatfolien und -filme
JPS588511A (ja) * 1981-07-09 1983-01-18 Toyobo Co Ltd 選択性分離膜
CA1322442C (en) * 1986-04-28 1993-09-28 Joginder N. Anand Tetrabromo bisphenol based polyestercarbonate membranes and method of using

Also Published As

Publication number Publication date
KR900004583B1 (ko) 1990-06-30
AU7112487A (en) 1987-10-15
CA1322443C (en) 1993-09-28
DE3781449D1 (de) 1992-10-08
EP0242147A2 (de) 1987-10-21
IN169524B (de) 1991-11-02
CN1010751B (zh) 1990-12-12
CN87102750A (zh) 1987-11-18
EP0242147B1 (de) 1992-09-02
JPS62250929A (ja) 1987-10-31
AU594755B2 (en) 1990-03-15
MY101647A (en) 1991-12-31
EP0242147A3 (en) 1989-02-08
KR870009741A (ko) 1987-11-30
DE3781449T2 (de) 1993-03-25
JP2699168B2 (ja) 1998-01-19

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee