DE3165561D1 - Semipermeable composite membranes comprising modified polyvinyl alcohol, process for their preparation and their use - Google Patents

Semipermeable composite membranes comprising modified polyvinyl alcohol, process for their preparation and their use

Info

Publication number
DE3165561D1
DE3165561D1 DE8181107007T DE3165561T DE3165561D1 DE 3165561 D1 DE3165561 D1 DE 3165561D1 DE 8181107007 T DE8181107007 T DE 8181107007T DE 3165561 T DE3165561 T DE 3165561T DE 3165561 D1 DE3165561 D1 DE 3165561D1
Authority
DE
Germany
Prior art keywords
preparation
polyvinyl alcohol
modified polyvinyl
composite membranes
semipermeable composite
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
Application number
DE8181107007T
Other languages
English (en)
Inventor
Charles Dr Linder
Mordechai Dr Perry
Reuven Kotraro
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.)
Aligena AG
Original Assignee
Aligena 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
Application filed by Aligena AG filed Critical Aligena AG
Application granted granted Critical
Publication of DE3165561D1 publication Critical patent/DE3165561D1/de
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B01D67/0081—After-treatment of organic or inorganic membranes
    • B01D67/0093—Chemical modification
    • B01D67/00931—Chemical modification by introduction of specific groups after membrane formation, e.g. by grafting
    • 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
    • B01D67/0081—After-treatment of organic or inorganic membranes
    • B01D67/0093—Chemical modification
    • 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
    • B01D71/38—Polyalkenylalcohols; Polyalkenylesters; Polyalkenylethers; Polyalkenylaldehydes; Polyalkenylketones; Polyalkenylacetals; Polyalkenylketals
    • 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
    • B01D71/38—Polyalkenylalcohols; Polyalkenylesters; Polyalkenylethers; Polyalkenylaldehydes; Polyalkenylketones; Polyalkenylacetals; Polyalkenylketals
    • B01D71/381—Polyvinylalcohol
    • 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
    • B01D71/38—Polyalkenylalcohols; Polyalkenylesters; Polyalkenylethers; Polyalkenylaldehydes; Polyalkenylketones; Polyalkenylacetals; Polyalkenylketals
    • B01D71/383—Polyvinylacetates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00—Chemical modification by after-treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/30—Cross-linking
DE8181107007T 1980-09-16 1981-09-07 Semipermeable composite membranes comprising modified polyvinyl alcohol, process for their preparation and their use Expired DE3165561D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH692580 1980-09-16

Publications (1)

Publication Number Publication Date
DE3165561D1 true DE3165561D1 (en) 1984-09-20

Family

ID=4317212

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181107007T Expired DE3165561D1 (en) 1980-09-16 1981-09-07 Semipermeable composite membranes comprising modified polyvinyl alcohol, process for their preparation and their use

Country Status (9)

Country Link
US (2) US4753725A (de)
EP (1) EP0047953B1 (de)
JP (1) JPS5781806A (de)
AR (1) AR228876A1 (de)
BR (1) BR8105918A (de)
CA (1) CA1170009A (de)
DE (1) DE3165561D1 (de)
IL (1) IL63638A0 (de)
MX (1) MX159153A (de)

Families Citing this family (69)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL63638A0 (en) * 1980-09-16 1981-11-30 Aligena Ag Semipermeable composite membranes,their manufacture and their use
IL64967A0 (en) * 1981-03-17 1982-04-30 Aligena Ag Semipermeable membranes containing modified polysulfones,their manufacture and their use
CH652313A5 (de) * 1981-08-25 1985-11-15 Ciba Geigy Ag Verfahren zur herstellung konzentrierter waesseriger zubereitungen von synthetischen anionischen dispergatoren.
JPS5840104A (ja) * 1981-08-31 1983-03-09 Kuraray Co Ltd 混合液体の分離方法
CH647021A5 (de) * 1981-09-22 1984-12-28 Ciba Geigy Ag Verfahren zur herstellung lagerstabiler aufhellerformulierungen.
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
US5156740A (en) * 1982-06-01 1992-10-20 Gft Ingenieurburo Fur Industrieanlagenbau Multi-layer membrane and the use thereof for the separation of liquid mixtures according to the pervaporation process
JPS59182863A (ja) * 1983-04-01 1984-10-17 Canon Inc 染料精製装置
JPS59182862A (ja) * 1983-04-01 1984-10-17 Canon Inc 染料精製装置
JPS59182861A (ja) * 1983-04-01 1984-10-17 Canon Inc 染料精製装置
JPS61161103A (ja) * 1985-01-10 1986-07-21 Terumo Corp 親水性多孔質膜およびその製法
EP0203459B1 (de) * 1985-05-27 1990-07-25 ASAHI MEDICAL Co., Ltd. Hydrophile poröse Composite-Membran, Verfahren zu ihrer Herstellung und ein Plasma-Separator
CH668961A5 (de) * 1986-02-07 1989-02-15 Ciba Geigy Ag Verfahren zur reinigung von farbstoffhaltigen abwaessern.
DK169616B1 (da) * 1986-08-27 1994-12-27 Dow Danmark Permeabel, porøs, polymerbehandlet plastmembran med hydrofil karakter, fremgangsmåder til fremstilling heraf samt anvendelse heraf
US4886836A (en) * 1987-06-03 1989-12-12 Pall Corporation Activated medium with low non-specific protein adsorption
CH672995A5 (de) * 1987-07-27 1990-01-31 Ciba Geigy Ag
CA1314666C (en) * 1988-06-13 1993-03-23 Kazuo Toyomoto Selectively ion-adsorptive, porous membrane
DE4004153C1 (en) * 1990-02-10 1991-08-08 Metallgesellschaft Ag, 6000 Frankfurt, De Multilayered membrane with high sepn. performance - comprises carrier layer of polyamide, polyvinylidene-di:fluoride polyester or glass fibres porous supply and PVA sepn. layer
DE4024517C1 (de) * 1990-08-02 1991-11-21 Metallgesellschaft Ag, 6000 Frankfurt, De
US6132849A (en) * 1990-10-30 2000-10-17 Minnesota Mining And Manufacturing Company Receptive media for permanent imaging and methods of preparing and using same
US5443727A (en) * 1990-10-30 1995-08-22 Minnesota Mining And Manufacturing Company Articles having a polymeric shell and method for preparing same
US5118424A (en) * 1990-11-30 1992-06-02 Ionics Incorporated Thin film composite membranes from vinyl and related nomomers
JP3131955B2 (ja) * 1992-02-14 2001-02-05 日本エクスラン工業株式会社 ポリアクリロニトリル溶剤中の着色成分の除去方法
CA2155188A1 (en) * 1993-02-02 1994-08-18 Howard Matthew Colquhoun Polymer porous structure and process
IL109240A (en) * 1994-04-07 1998-02-22 Yeda Res & Dev Ion exchange membranes
EP0888810B1 (de) * 1996-03-18 2006-06-21 Nitto Denko Corporation Verbundmembran fur umkehrosmose und methode zur wasserbehandlung mit umkehrosmose mit hilfe derselben
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
US6221425B1 (en) * 1998-01-30 2001-04-24 Advanced Cardiovascular Systems, Inc. Lubricious hydrophilic coating for an intracorporeal medical device
CN1124874C (zh) * 1999-06-08 2003-10-22 中国科学院生态环境研究中心 一种耐污染性聚乙烯醇复合膜的制备方法及其专用设备
US7553294B2 (en) 2002-05-30 2009-06-30 Medrad, Inc. Syringe plunger sensing mechanism for a medical injector
US7045062B1 (en) * 2003-01-21 2006-05-16 Seventy-Seventh Meridian Corporation, Llc Pervaporation membranes and methods of use
US20050034602A1 (en) * 2003-08-13 2005-02-17 Coan Frederick L. Air dehydration membrane
US7294174B2 (en) * 2003-08-13 2007-11-13 Generon Igs, Inc. Air dehydration membrane
US7837880B2 (en) * 2004-02-06 2010-11-23 Exxonmobil Research And Engineering Company Acid tolerant polymeric membrane and process for the recovery of acid using polymeric membranes
US7997426B2 (en) * 2004-02-06 2011-08-16 Exxonmobil Research And Engineering Company Acid tolerant polymeric membrane and process for the recovery of acid using polymeric membranes
KR100562050B1 (ko) * 2004-03-30 2006-03-17 한국화학연구원 가교된 폴리비닐알콜계 신규 고분자막 및 이의 제조방법
US20050235826A1 (en) * 2004-04-27 2005-10-27 Generon Igs, Inc. Air separation system using dehydration membrane for pretreatment of compressed air
US20080168900A1 (en) * 2004-11-05 2008-07-17 The Ohio State University Research Foundation Membranes, Methods of Making Membrane, and Methods of Separating Gases Using Membranes
CN101119930B (zh) * 2005-02-18 2010-12-29 阿克佐诺贝尔股份有限公司 制备盐的方法
ES2692203T3 (es) * 2005-02-18 2018-11-30 Akzo Nobel Chemicals International B.V. Procedimiento para preparar cloro o clorato de sodio
KR20080003789A (ko) * 2005-03-09 2008-01-08 더 리전츠 오브 더 유니버시티 오브 캘리포니아 나노복합체막 및 이의 제조 및 사용 방법
US7445712B2 (en) * 2005-04-07 2008-11-04 Hydration Technologies Inc. Asymmetric forward osmosis membranes
US7381331B2 (en) * 2005-09-30 2008-06-03 General Electric Company Hydrophilic membrane and associated method
US7631768B2 (en) * 2005-11-04 2009-12-15 General Electric Company Membrane and associated method
US7291696B2 (en) * 2005-11-04 2007-11-06 General Electric Company Composition and associated method
AU2007317516B2 (en) * 2006-10-27 2013-04-04 The Regents Of The University Of California Micro-and nanocomposite support structures for reverse osmosis thin film membranes
US7910012B2 (en) * 2007-07-16 2011-03-22 General Electric Company Composition, membrane, and associated method
US20100224555A1 (en) * 2007-09-21 2010-09-09 Hoek Eric M V Nanocomposite membranes and methods of making and using same
JP5568835B2 (ja) * 2007-10-01 2014-08-13 栗田工業株式会社 逆浸透膜、逆浸透膜装置及び逆浸透膜の親水化処理方法
WO2009044655A1 (ja) * 2007-10-01 2009-04-09 Kurita Water Industries Ltd. 逆浸透膜、逆浸透膜装置及び逆浸透膜の親水化処理方法
US8177978B2 (en) 2008-04-15 2012-05-15 Nanoh20, Inc. Reverse osmosis membranes
WO2010082194A2 (en) 2009-01-13 2010-07-22 B.P.T. Bio Pure Technology Ltd. Solvent and acid stable membranes, methods of manufacture thereof and methods of use thereof inter alia for separating metal ions from liquid process streams
EP2418013A4 (de) * 2009-04-09 2013-10-23 Univ Yamaguchi Ladungsmosaikmembran
EP2420310A4 (de) * 2009-04-13 2013-04-17 Univ Yamaguchi Ionenaustauschmembran und herstellungsverfahren dafür
AU2010273709B2 (en) * 2009-06-29 2015-08-20 Nanoh2O, Inc. Improved hybrid TFC RO membranes with nitrogen additives
WO2011112351A1 (en) * 2010-03-10 2011-09-15 Dow Global Technologies Llc Polyamide membrane with a coating comprising polyalkylene oxide and acetophenone compounds
WO2011136865A1 (en) 2010-04-26 2011-11-03 Dow Global Technologies Llc Polyamide membrane with a coating comprising polyalkylene oxide and triazine compounds
US8757396B2 (en) 2010-05-24 2014-06-24 Dow Global Technologies Llc Composite membrane with coating comprising polyalkylene oxide and oxy-substituted phenyl compounds
US8733558B2 (en) 2010-05-24 2014-05-27 Dow Global Technologies Llc Composite membrane with coating comprising polyalkylene oxide and biguanide-type compounds
WO2011149572A1 (en) 2010-05-24 2011-12-01 Dow Global Technologies Llc Polyamide membrane with coating comprising polyalkylene oxide and imidazol compounds
EP2637773B1 (de) 2010-11-10 2019-10-30 NanoH2O Inc. Verbesserte hybrid-tfc-ro-membranen mit nichtmetallischen additiven
JP5880813B2 (ja) * 2011-08-10 2016-03-09 国立研究開発法人物質・材料研究機構 Ｐｖａ多孔膜、その製造方法及びｐｖａ多孔膜を有する濾過フィルター
WO2013062490A1 (en) * 2011-10-27 2013-05-02 Nanyang Technological University A method of forming forward osmosis membranes and the forward osmosis membranes thus formed
WO2014107523A2 (en) * 2013-01-02 2014-07-10 The Regents Of The University Of California Chlorine-tolerant polyamide derivatives for preparing biofouling-resistant reverse osmosis membranes and membranes made therefrom
CN104492276B (zh) * 2014-12-12 2017-05-03 北京天恒盛通科技发展有限公司 一类用于强酸、强碱、高盐环境下的油水分离膜的制备方法
US9861940B2 (en) 2015-08-31 2018-01-09 Lg Baboh2O, Inc. Additives for salt rejection enhancement of a membrane
US9737859B2 (en) 2016-01-11 2017-08-22 Lg Nanoh2O, Inc. Process for improved water flux through a TFC membrane
US10155203B2 (en) 2016-03-03 2018-12-18 Lg Nanoh2O, Inc. Methods of enhancing water flux of a TFC membrane using oxidizing and reducing agents
JP7256954B2 (ja) * 2019-01-31 2023-04-13 セイコーエプソン株式会社 分散液、インクジェット記録用インク組成物、及びインクジェット記録方法

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3276996A (en) * 1963-07-15 1966-10-04 Lazare Leon Separating water from saline solutions
US3556305A (en) * 1968-03-28 1971-01-19 Amicon Corp Composite membrane and process for making same
US4067805A (en) * 1970-06-16 1978-01-10 Monsanto Company Process for separating aqueous formaldehyde mixtures
US3784649A (en) * 1971-03-30 1974-01-08 Buckman Labor Inc High molecular weight ionene polymeric compositions
US3945927A (en) * 1972-06-05 1976-03-23 Kanegafuchi Kagaku Kogyo Kabushiki Kaisha Ion-exchange group bearing composite membranes
US3892665A (en) * 1973-10-15 1975-07-01 Standard Oil Co Membrane method and product
GB1502618A (en) * 1974-12-03 1978-03-01 Ciba Geigy Ag Triazine hardening agents
CH614127A5 (en) * 1975-01-23 1979-11-15 Aligena Ag Porous membrane and method for production thereof
CH597901A5 (de) * 1975-01-23 1978-04-14 Aligena Ag
US4015955A (en) * 1975-02-05 1977-04-05 Standard Oil Company Fluid separation process and membrane
DE2615954C3 (de) * 1975-04-22 1981-04-23 Kuraray Co., Ltd., Kurashiki, Okayama Membran auf Basis von Polyvinylalkohol
FR2371477A1 (fr) * 1976-04-02 1978-06-16 Uop Inc Procede de preparation de membranes semipermeables composites
JPS52156779A (en) * 1976-06-23 1977-12-27 Asahi Chem Ind Co Ltd Active hydrophilic membrane and its production method
US4230463A (en) * 1977-09-13 1980-10-28 Monsanto Company Multicomponent membranes for gas separations
CH645391A5 (de) * 1978-02-21 1984-09-28 Ciba Geigy Ag Polymere mit succinylobernsteinsaeureester-resten.
US4247401A (en) * 1978-08-31 1981-01-27 Aligena A.G. Reverse osmosis separation process using porous asymmetric acetyl cellulose membrane
JPS5554004A (en) * 1978-10-18 1980-04-21 Teijin Ltd Selective permeable membrane and its manufacturing
JPS5930123B2 (ja) * 1979-02-27 1984-07-25 東レ株式会社 半透膜用処理剤およびその製法
DE3066996D1 (en) * 1979-09-19 1984-04-19 Aligena Ag Porous semipermeable cellulose acetate membranes modified by ionic groups, process for their production and their use
DE3035134A1 (de) * 1979-09-19 1981-04-09 Aligena AG, Basel Poroese, modifizierte, fuer die ultrafiltration geeignete membranen auf der basis von polyacrylnitrilen, verfahren zu ihrer herstellung und ihre verwendung
IL63638A0 (en) * 1980-09-16 1981-11-30 Aligena Ag Semipermeable composite membranes,their manufacture and their use

Also Published As

Publication number Publication date
CA1170009A (en) 1984-07-03
JPH0262298B2 (de) 1990-12-25
MX159153A (es) 1989-04-26
BR8105918A (pt) 1982-06-08
US4753725A (en) 1988-06-28
EP0047953A2 (de) 1982-03-24
JPS5781806A (en) 1982-05-22
US4911844A (en) 1990-03-27
EP0047953B1 (de) 1984-08-15
AR228876A1 (es) 1983-04-29
IL63638A0 (en) 1981-11-30
EP0047953A3 (en) 1982-05-12

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee