MX168396B - Membrana microporosa modificada de carga procedimiento para modificacion de carga de dicha membrana y procedimiento para la filtracion de fluidos - Google Patents

Membrana microporosa modificada de carga procedimiento para modificacion de carga de dicha membrana y procedimiento para la filtracion de fluidos

Info

Publication number
MX168396B
MX168396B MX192891A MX19289182A MX168396B MX 168396 B MX168396 B MX 168396B MX 192891 A MX192891 A MX 192891A MX 19289182 A MX19289182 A MX 19289182A MX 168396 B MX168396 B MX 168396B
Authority
MX
Mexico
Prior art keywords
membrane
procedure
charge
modification
fluid filtration
Prior art date
Application number
MX192891A
Other languages
English (en)
Inventor
Chaokang Chu
Robert G Barnes Jr
George T Emond
Asit K Roy
Original Assignee
Amf 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 Amf Inc filed Critical Amf Inc
Publication of MX168396B publication Critical patent/MX168396B/es

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
    • B01D71/56—Polyamides, e.g. polyester-amides
    • 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

Abstract

La presente invención se refiere a una membrana microporosa modificada de carga catiónica, que comprende una membrana porosa polímera, orgánica, hidrofílica y una cantidad de un agente de modificación de carga, adherido a la estructura de la membrana microporosa, a través de un agente de vínculación cruzada poliepóxido alifatico, que tiene un peso molecular de menos de 500, en la que, el agente de modificación de carga selecionado del grupo constituido por: aminas alifáticas que tienen cuando menos una amina primaria, ó cuando menos dos aminas secundarias; y aminas alifáticas, que tienen cuando menos una amina secundaria y un substitutivo carboxilio u oxidrilo.
MX192891A 1981-05-29 1982-05-27 Membrana microporosa modificada de carga procedimiento para modificacion de carga de dicha membrana y procedimiento para la filtracion de fluidos MX168396B (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/268,543 US4473475A (en) 1981-05-29 1981-05-29 Charge modified microporous membrane, process for charge modifying said membrane, and process for filtration of fluids

Publications (1)

Publication Number Publication Date
MX168396B true MX168396B (es) 1993-05-21

Family

ID=23023452

Family Applications (1)

Application Number Title Priority Date Filing Date
MX192891A MX168396B (es) 1981-05-29 1982-05-27 Membrana microporosa modificada de carga procedimiento para modificacion de carga de dicha membrana y procedimiento para la filtracion de fluidos

Country Status (9)

Country Link
US (1) US4473475A (es)
EP (1) EP0066814B1 (es)
JP (1) JPS5932490B2 (es)
AU (1) AU8420082A (es)
BR (1) BR8203104A (es)
CA (1) CA1166411A (es)
DE (2) DE66814T1 (es)
IE (1) IE53424B1 (es)
MX (1) MX168396B (es)

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US4604208A (en) * 1983-12-29 1986-08-05 Chaokang Chu Liquid filtration using an anionic microporous membrane
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US4888115A (en) * 1983-12-29 1989-12-19 Cuno, Incorporated Cross-flow filtration
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US4980067A (en) * 1985-07-23 1990-12-25 Cuno, Inc. Polyionene-transformed microporous membrane
US4761232A (en) * 1986-03-07 1988-08-02 Porex Technologies Corp. Of Georgia Macroporous substrate containing microporous matrix
US4702947A (en) * 1986-04-01 1987-10-27 Pall Corporation Fibrous structure and method of manufacture
DK169616B1 (da) * 1986-08-27 1994-12-27 Dow Danmark Permeabel, porøs, polymerbehandlet plastmembran med hydrofil karakter, fremgangsmåder til fremstilling heraf samt anvendelse heraf
US4787980A (en) * 1986-10-01 1988-11-29 Monsanto Company Ultra pure water system monitoring
US4906374A (en) * 1986-12-23 1990-03-06 Pall Corporation Filtration media with low protein adsorbability
US5114585A (en) * 1988-03-01 1992-05-19 Gelman Sciences, Inc. Charged porous filter
US4959150A (en) * 1988-09-26 1990-09-25 Pall Corporation Fluid treatment system having low affinity for proteinaceous materials
US4981591A (en) * 1989-04-07 1991-01-01 Cuno, Incorporated Cationic charge modified filter media
US5085784A (en) * 1989-04-07 1992-02-04 Cuno, Incorporated Use of cationic charge modified filter media
US5085780A (en) * 1989-04-07 1992-02-04 Cuno, Incorporated Use of cationic charge modified filter media
US5151189A (en) * 1990-09-17 1992-09-29 Gelman Sciences, Inc. Cationic charge modified microporous membrane
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US5531893A (en) * 1993-02-12 1996-07-02 Gelman Sciences Inc. Inter-penetrating network charge modified microporous membrane
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US6280853B1 (en) * 1999-06-10 2001-08-28 The Dow Chemical Company Composite membrane with polyalkylene oxide modified polyamide surface
US6645388B2 (en) 1999-12-22 2003-11-11 Kimberly-Clark Corporation Leukocyte depletion filter media, filter produced therefrom, method of making same and method of using same
US20020179521A1 (en) * 2000-06-05 2002-12-05 Paul C. Thomas Expansion resistant filter cartridge
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US6890483B2 (en) * 2000-07-05 2005-05-10 Cuno Incorporated Non-luminescent substrate
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CN100586876C (zh) * 2007-08-08 2010-02-03 中国科学院地球化学研究所 一种净化水质的设备
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SI2506834T1 (sl) 2009-12-03 2016-04-29 Novartis Ag Cirkulacija sestavin med homogenizacijo in mikrofluidizacijo emulzij
DE102009056883B4 (de) 2009-12-03 2012-08-16 Novartis Ag Impfstoff-Adjuvantien und verbesserte Verfahren zur Herstellung derselben
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Also Published As

Publication number Publication date
EP0066814A1 (en) 1982-12-15
EP0066814B1 (en) 1985-03-27
US4473475A (en) 1984-09-25
DE66814T1 (de) 1983-04-28
CA1166411A (en) 1984-05-01
BR8203104A (pt) 1983-05-10
JPS5932490B2 (ja) 1984-08-09
DE3262766D1 (en) 1985-05-02
AU8420082A (en) 1982-12-02
IE53424B1 (en) 1988-11-09
IE821282L (en) 1982-11-29
JPS57202330A (en) 1982-12-11

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