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DE3850392D1 - Zusammengesetzte membranen aus polymethylmethacrylatgemischen. - Google Patents

Zusammengesetzte membranen aus polymethylmethacrylatgemischen.

Info

Publication number
DE3850392D1
DE3850392D1 DE3850392T DE3850392T DE3850392D1 DE 3850392 D1 DE3850392 D1 DE 3850392D1 DE 3850392 T DE3850392 T DE 3850392T DE 3850392 T DE3850392 T DE 3850392T DE 3850392 D1 DE3850392 D1 DE 3850392D1
Authority
DE
Germany
Prior art keywords
membranes
separation
polymethylmethacrylate
disclosed
hydrogen
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
DE3850392T
Other languages
English (en)
Other versions
DE3850392T2 (de
Inventor
Joyce Nelson
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.)
Praxair Technology Inc
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
Priority claimed from PCT/US1988/003804 external-priority patent/WO1989004201A1/en
Application granted granted Critical
Publication of DE3850392D1 publication Critical patent/DE3850392D1/de
Publication of DE3850392T2 publication Critical patent/DE3850392T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • B01D71/40—Polymers of unsaturated acids or derivatives thereof, e.g. salts, amides, imides, nitriles, anhydrides, esters
    • B01D71/401—Polymers based on the polymerisation of acrylic acid, e.g. polyacrylate
    • B01D71/4011—Polymethylmethacrylate
    • 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
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/08—Polysaccharides
    • B01D71/10—Cellulose; Modified cellulose
    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/50—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification
    • C01B3/501—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification by diffusion
    • C01B3/503—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification by diffusion characterised by the membrane
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/48—Processes of making filters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/62—Processes of molding porous films

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Inorganic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Dental Preparations (AREA)
  • Materials For Medical Uses (AREA)
DE3850392T 1987-11-05 1988-11-01 Zusammengesetzte membranen aus polymethylmethacrylatgemischen. Expired - Fee Related DE3850392T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/117,639 US4919865A (en) 1987-11-05 1987-11-05 Composite membranes of poly (methyl methacrylate) blends, their manufacture and their use
PCT/US1988/003804 WO1989004201A1 (en) 1987-11-02 1988-11-01 Composite membranes of poly(methyl methacrylate) blends
CN88108818A CN1022982C (zh) 1987-11-05 1988-11-05 改性的聚(甲基丙烯酸甲酯)混合物复合膜及制备方法和用途

Publications (2)

Publication Number Publication Date
DE3850392D1 true DE3850392D1 (de) 1994-07-28
DE3850392T2 DE3850392T2 (de) 1994-12-01

Family

ID=36716583

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3850392T Expired - Fee Related DE3850392T2 (de) 1987-11-05 1988-11-01 Zusammengesetzte membranen aus polymethylmethacrylatgemischen.

Country Status (6)

Country Link
US (1) US4919865A (de)
CN (1) CN1022982C (de)
AT (1) ATE107536T1 (de)
DE (1) DE3850392T2 (de)
ES (1) ES2009370A6 (de)
MX (1) MX172241B (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5134208A (en) * 1991-09-27 1992-07-28 Shell Oil Company Polymerization process
JPH05212256A (ja) * 1992-02-07 1993-08-24 Mitsubishi Rayon Co Ltd 耐熱性多孔質膜、耐熱性親水化多孔質膜及びそれらの製法
US5344480A (en) * 1992-05-05 1994-09-06 Praxair Technology, Inc. Pressurizing with and recovering helium
US5443728A (en) * 1994-04-28 1995-08-22 Praxair Technology, Inc. Method of preparing membranes from blends of polyetherimide and polyimide polymers
JP4080565B2 (ja) * 1996-04-26 2008-04-23 大日本インキ化学工業株式会社 多孔質体の製造方法および多孔質体
US7488558B2 (en) * 2001-04-19 2009-02-10 Michael Cheiky Homogeneous separator
US6733920B2 (en) * 2001-04-19 2004-05-11 Zinc Matrix Power, Inc. Recombinant separator
US7826131B2 (en) * 2002-10-09 2010-11-02 The Governing Council Of The University Of Toronto Tunable photonic crystal device
ATE429661T1 (de) * 2002-10-09 2009-05-15 Andre Arsenault Wellenlängenabstimmbare mehrfarbige photonische kolloidale kristallvorrichtung
US7641055B2 (en) * 2005-11-10 2010-01-05 Donaldson Company, Inc. Polysulfone and poly(N-vinyl lactam) polymer alloy and fiber and filter materials made of the alloy
DE102006044635B4 (de) * 2006-09-19 2008-11-06 Gkss-Forschungszentrum Geesthacht Gmbh Gastrenn-Membran
US20080202210A1 (en) * 2007-02-28 2008-08-28 Varian, Inc. Test gas leak detection using a composite membrane
US20110123850A1 (en) 2008-03-27 2011-05-26 Zpower, Inc. Electrode Separator
CN103706263B (zh) * 2013-12-19 2016-08-17 大连理工大学 高通量二氧化碳分离纤维素醚类衍生物复合膜及其制备方法
CN105057973B (zh) * 2015-08-03 2017-10-17 山东大学 表面涂覆pmma抑制微细切削加工过程中毛刺产生的方法
CN113401500B (zh) * 2021-03-31 2022-10-14 香港理工大学深圳研究院 一种由纤维素衍生物制成的发光薄膜作为食物包装膜的应用

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3892665A (en) * 1973-10-15 1975-07-01 Standard Oil Co Membrane method and product
US4230463A (en) * 1977-09-13 1980-10-28 Monsanto Company Multicomponent membranes for gas separations
US4214020A (en) * 1977-11-17 1980-07-22 Monsanto Company Processes for coating bundles of hollow fiber membranes
DE3276853D1 (en) * 1981-05-19 1987-09-03 Teijin Ltd Porous membrane
US4662905A (en) * 1983-12-23 1987-05-05 Itaru Todoriki, Director of Agency of Industrial Science and Technology Selective gas separator
JPH0687361B2 (ja) * 1985-08-09 1994-11-02 株式会社日立製作所 螢光灯照明装置

Also Published As

Publication number Publication date
CN1043949A (zh) 1990-07-18
ES2009370A6 (es) 1989-09-16
DE3850392T2 (de) 1994-12-01
CN1022982C (zh) 1993-12-08
ATE107536T1 (de) 1994-07-15
US4919865A (en) 1990-04-24
MX172241B (es) 1993-12-09

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee