BR9100580A - Membrana multi-camada,processo para sua fabricacao e uso - Google Patents

Membrana multi-camada,processo para sua fabricacao e uso

Info

Publication number
BR9100580A
BR9100580A BR919100580A BR9100580A BR9100580A BR 9100580 A BR9100580 A BR 9100580A BR 919100580 A BR919100580 A BR 919100580A BR 9100580 A BR9100580 A BR 9100580A BR 9100580 A BR9100580 A BR 9100580A
Authority
BR
Brazil
Prior art keywords
layer
polyvinylalcohol
manufacture
lay
membrane
Prior art date
Application number
BR919100580A
Other languages
English (en)
Inventor
Peter Haenel
Harald Helmrich
Ulrich Sander
Original Assignee
Metallgesellschaft Ag
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6399908&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR9100580(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Metallgesellschaft Ag filed Critical Metallgesellschaft Ag
Publication of BR9100580A publication Critical patent/BR9100580A/pt

Links

Classifications

    • 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
    • B01D69/12Composite membranes; Ultra-thin membranes
    • B01D69/1216Three or more layers
    • 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
    • B01D71/38Polyalkenylalcohols; Polyalkenylesters; Polyalkenylethers; Polyalkenylaldehydes; Polyalkenylketones; Polyalkenylacetals; Polyalkenylketals
    • 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
    • B01D69/12Composite membranes; Ultra-thin membranes
    • B01D69/125In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction
    • 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
    • B01D71/38Polyalkenylalcohols; Polyalkenylesters; Polyalkenylethers; Polyalkenylaldehydes; Polyalkenylketones; Polyalkenylacetals; Polyalkenylketals
    • B01D71/381Polyvinylalcohol
    • 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
    • B01D2323/00Details relating to membrane preparation
    • B01D2323/08Specific temperatures applied
    • B01D2323/081Heating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2323/00Details relating to membrane preparation
    • B01D2323/12Specific ratios of components used
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2323/00Details relating to membrane preparation
    • B01D2323/38Graft polymerization
    • B01D2323/385Graft polymerization involving radiation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2325/00Details relating to properties of membranes
    • B01D2325/04Characteristic thickness
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S210/00Liquid purification or separation
    • Y10S210/902Materials removed
    • Y10S210/908Organic
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S55/00Gas separation
    • Y10S55/05Methods of making filter
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/24Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24942Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
    • Y10T428/2495Thickness [relative or absolute]
    • Y10T428/24967Absolute thicknesses specified
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/249921Web or sheet containing structurally defined element or component
    • Y10T428/249953Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249981Plural void-containing components
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/249921Web or sheet containing structurally defined element or component
    • Y10T428/249953Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249987With nonvoid component of specified composition
    • Y10T428/249991Synthetic resin or natural rubbers
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/30Woven fabric [i.e., woven strand or strip material]
    • Y10T442/3854Woven fabric with a preformed polymeric film or sheet
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/30Woven fabric [i.e., woven strand or strip material]
    • Y10T442/3854Woven fabric with a preformed polymeric film or sheet
    • Y10T442/387Vinyl polymer or copolymer sheet or film [e.g., polyvinyl chloride, polyvinylidene chloride, polyvinyl acetate, etc.]
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/30Woven fabric [i.e., woven strand or strip material]
    • Y10T442/3854Woven fabric with a preformed polymeric film or sheet
    • Y10T442/3878Fluorinated olefin polymer or copolymer sheet or film [e.g., Teflon@, etc.]
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/30Woven fabric [i.e., woven strand or strip material]
    • Y10T442/3854Woven fabric with a preformed polymeric film or sheet
    • Y10T442/3902Polyimide sheet or film
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/674Nonwoven fabric with a preformed polymeric film or sheet
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/674Nonwoven fabric with a preformed polymeric film or sheet
    • Y10T442/676Vinyl polymer or copolymer sheet or film [e.g., polyvinyl chloride, polyvinylidene chloride, polyvinyl acetate, etc.]
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/674Nonwoven fabric with a preformed polymeric film or sheet
    • Y10T442/677Fluorinated olefin polymer or copolymer sheet or film [e.g., TeflonR, etc.]
BR919100580A 1990-02-10 1991-02-08 Membrana multi-camada,processo para sua fabricacao e uso BR9100580A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4004153A DE4004153C1 (en) 1990-02-10 1990-02-10 Multilayered membrane with high sepn. performance - comprises carrier layer of polyamide, polyvinylidene-di:fluoride polyester or glass fibres porous supply and PVA sepn. layer

Publications (1)

Publication Number Publication Date
BR9100580A true BR9100580A (pt) 1991-10-29

Family

ID=6399908

Family Applications (1)

Application Number Title Priority Date Filing Date
BR919100580A BR9100580A (pt) 1990-02-10 1991-02-08 Membrana multi-camada,processo para sua fabricacao e uso

Country Status (11)

Country Link
US (1) US5183571A (pt)
EP (1) EP0442557B1 (pt)
JP (1) JPH0768683A (pt)
AT (1) ATE113501T1 (pt)
AU (1) AU633687B2 (pt)
BR (1) BR9100580A (pt)
CA (1) CA2035360A1 (pt)
DE (2) DE4004153C1 (pt)
DK (1) DK0442557T3 (pt)
ES (1) ES2062657T3 (pt)
FI (1) FI97604C (pt)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5871679A (en) * 1991-04-10 1999-02-16 Isolyser Company, Inc. Method of producing hot water soluble garments and like fabrics
US5650219A (en) * 1991-04-10 1997-07-22 Isolyser Co. Inc. Method of disposal of hot water soluble garments and like fabrics
US6048410A (en) * 1991-04-10 2000-04-11 Isolyser Company, Inc. Method of disposal of hot water soluble garments and like fabrics
DE4126886A1 (de) * 1991-08-14 1993-02-18 Hp Medica Gmbh Spuelkatheter
US5698105A (en) * 1993-02-02 1997-12-16 North West Water Group Plc Polymer porous structure and process
DE4312126A1 (de) * 1993-04-14 1994-10-20 Mannesmann Ag Gasdiffusionselektrode für elektrochemische Zellen
US5620786A (en) * 1993-04-29 1997-04-15 Isolyser Co. Inc. Hot water soluble towels, sponges and gauzes
US5885907A (en) * 1993-04-29 1999-03-23 Isolyser Company, Inc. Method of disposal of hot water soluble garments and like fabrics
DE4409906C1 (de) * 1994-03-23 1995-05-11 Metallgesellschaft Ag Komposit-Membran und ein Verfahren zu ihrer Herstellung
US5661217A (en) * 1994-08-05 1997-08-26 Isolyser Company, Inc. Method of manufacturing monolithic structures from polyvinyl alcohol
US5470653A (en) * 1994-08-05 1995-11-28 Isolyser Company, Inc. Disposable mop heads
CN1213985A (zh) * 1996-03-18 1999-04-14 日东电工株式会社 反渗透复合膜以及用它进行反渗透处理水的方法
US5707731A (en) * 1996-05-09 1998-01-13 Isolyser Company, Inc. Disposable cleaning articles
US5891812A (en) * 1996-10-11 1999-04-06 Isolyser Company, Inc. Liquid absorbable non-permeable fabrics and methods of making, using, and disposing thereof
US6413425B1 (en) 1997-04-10 2002-07-02 Nitto Denko Corporation Reverse osmosis composite membrane and reverse osmosis treatment method for water using the same
DE10013995A1 (de) * 2000-03-22 2001-09-27 Chemagen Biopolymer Technologi Magnetische, silanisierte Trägermaterialien auf Basis von Polyvinylalkohol
EP1718171B2 (en) 2004-01-28 2019-11-13 Curation Foods, Inc. Container system
DE102004053402B3 (de) 2004-11-05 2006-06-01 Gkss-Forschungszentrum Geesthacht Gmbh Membran zur Trennung von Stoffgemischen und Verfahren zu ihrer Herstellung
EP1891566A2 (en) * 2005-05-18 2008-02-27 Merlita Acquisition Corporation Goggles with removable frame and methods of making and using the same
CA2616847C (en) * 2005-07-28 2014-02-11 Apio Inc. Combinations of atmosphere control members
US20080202262A1 (en) * 2006-08-09 2008-08-28 Richard Schmidt Gas permeable membrane
US20080034964A1 (en) * 2006-08-09 2008-02-14 Schmidt Richard D Gas permeable membrane
US10328393B2 (en) * 2007-05-17 2019-06-25 Emd Millipore Corporation Membrane laminate
CA2811533C (en) 2010-09-20 2019-08-27 Sulzer Chemtech Ag Membrane having a pore-free separating layer and use and method of manufacturing a membrane
JP5955177B2 (ja) * 2012-09-20 2016-07-20 日本バイリーン株式会社 ポリビニルアルコール系樹脂が付与された多孔シートの製造方法
CN107486041B (zh) * 2017-10-17 2020-04-28 常州市美纤膜技术有限公司 一种超低压复合反渗透膜及其制备方法
TW202116903A (zh) * 2019-06-27 2021-05-01 日商富士軟片股份有限公司 保護層形成用組成物的製造方法、保護層形成用組成物的保存方法及該保存方法的應用

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2441311C2 (de) * 1974-08-29 1984-07-19 Peter, Siegfried, Prof.Dr., 8520 Erlangen Verfahren zur Herstellung von Membranen für die umgekehrte Osmose
JPS5237830A (en) * 1975-09-19 1977-03-24 Kuraray Co Ltd Polyvinyl alcohol hollow fibers for dialysis
AU505494B1 (en) * 1977-10-21 1979-11-22 Unisearch Limited Anisotropic multilayered synthetic semipermeable membrane
JPS5727102A (en) * 1980-07-28 1982-02-13 Nitto Electric Ind Co Ltd Composite semipermeable membrane and its production
IL63638A0 (en) * 1980-09-16 1981-11-30 Aligena Ag Semipermeable composite membranes,their manufacture and their use
DE3220570A1 (de) * 1982-06-01 1983-12-01 GFT Ingenieurbüro für Industrieanlagenbau, 6650 Homburg Mehrschichtige membran und ihre verwendung zur trennung von fluessigkeitsgemischen nach dem pervaporationsverfahren
US4802988A (en) * 1987-09-17 1989-02-07 Texaco Inc. Dehydration of glycols
DE4024517C1 (pt) * 1990-08-02 1991-11-21 Metallgesellschaft Ag, 6000 Frankfurt, De

Also Published As

Publication number Publication date
JPH0768683A (ja) 1995-03-14
AU7084691A (en) 1991-08-15
AU633687B2 (en) 1993-02-04
DE4004153C1 (en) 1991-08-08
CA2035360A1 (en) 1991-08-11
FI910593A0 (fi) 1991-02-07
DE59103377D1 (de) 1994-12-08
US5183571A (en) 1993-02-02
FI97604C (fi) 1997-01-27
ATE113501T1 (de) 1994-11-15
FI97604B (fi) 1996-10-15
FI910593A (fi) 1991-08-11
EP0442557A1 (de) 1991-08-21
ES2062657T3 (es) 1994-12-16
DK0442557T3 (da) 1994-11-21
EP0442557B1 (de) 1994-11-02

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Legal Events

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FF Decision: intention to grant
FA11 Dismissal: dismissal - article 38, par. 2 of industrial property law