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IL76505A0 - Reverse osmosis membranes and their preparation - Google Patents

Reverse osmosis membranes and their preparation

Info

Publication number
IL76505A0
IL76505A0 IL76505A IL7650585A IL76505A0 IL 76505 A0 IL76505 A0 IL 76505A0 IL 76505 A IL76505 A IL 76505A IL 7650585 A IL7650585 A IL 7650585A IL 76505 A0 IL76505 A0 IL 76505A0
Authority
IL
Israel
Prior art keywords
preparation
reverse osmosis
osmosis membranes
membranes
reverse
Prior art date
Application number
IL76505A
Other languages
English (en)
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Publication of IL76505A0 publication Critical patent/IL76505A0/xx

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
    • B01D71/56—Polyamides, e.g. polyester-amides
    • 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
    • B01D67/0002—Organic membrane manufacture
    • B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
    • 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
    • B01D69/06—Flat membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/12—Specific ratios of components used

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
IL76505A 1984-09-27 1985-09-26 Reverse osmosis membranes and their preparation IL76505A0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US65508684A 1984-09-27 1984-09-27

Publications (1)

Publication Number Publication Date
IL76505A0 true IL76505A0 (en) 1986-01-31

Family

ID=24627443

Family Applications (1)

Application Number Title Priority Date Filing Date
IL76505A IL76505A0 (en) 1984-09-27 1985-09-26 Reverse osmosis membranes and their preparation

Country Status (6)

Country Link
EP (1) EP0176992A3 (xx)
JP (1) JPS6186909A (xx)
AU (1) AU4787685A (xx)
DK (1) DK436485A (xx)
ES (1) ES8703286A1 (xx)
IL (1) IL76505A0 (xx)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4749488A (en) * 1987-10-08 1988-06-07 E. I. Du Pont De Nemours And Company Multilayer reverse osmosis membrane in which one layer is poly-meta-phenylene tetrahydrofuran-2,3,4,5-tetracarboxamide
DE3903098A1 (de) * 1989-02-02 1990-08-16 Hoechst Ag Semipermeable membran aus einer homogen mischbaren polymerlegierung
US5076817A (en) * 1990-11-30 1991-12-31 E. I. Du Pont De Nemours And Company Polyamide gas separation membranes and process of using same
JPH04313335A (ja) * 1991-01-30 1992-11-05 E I Du Pont De Nemours & Co 固定板流し込みシステム
GB2332157A (en) * 1995-08-28 1999-06-16 Millipore Investment Holdings Limited Fabric reinforced adsorptive membrane
US5922203A (en) * 1997-10-07 1999-07-13 Hydranautics Amine monomers and their use in preparing interfacially synthesized membranes for reverse osmosis and nanofiltration
US6464873B1 (en) 1999-06-15 2002-10-15 Hydranautics Interfacially polymerized, bipiperidine-polyamide membranes for reverse osmosis and/or nanofiltration and process for making the same
WO2012060447A1 (ja) * 2010-11-05 2012-05-10 日東電工株式会社 シート状分離膜の製造方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3567632A (en) * 1968-09-04 1971-03-02 Du Pont Permselective,aromatic,nitrogen-containing polymeric membranes
DE2729847A1 (de) * 1976-07-02 1978-01-05 Hitachi Ltd Aromatische polyamide und im wesentlichen aus aromatischen polyamiden bestehende membranen zur umgekehrten osmose sowie verfahren zu ihrer herstellung
CA1107424A (en) * 1976-10-21 1981-08-18 E. I. Du Pont De Nemours And Company Permselective membranes and polymeric solution for making same
US4087388A (en) * 1976-10-21 1978-05-02 E. I. Du Pont De Nemours And Company Process of preparing a permselective membrane
JPS583604A (ja) * 1981-06-25 1983-01-10 イ−・アイ・デユポン・デ・ニモアス・アンド・カンパニ− 選択透過膜及びその製造方法

Also Published As

Publication number Publication date
DK436485D0 (da) 1985-09-26
ES8703286A1 (es) 1987-02-16
EP0176992A3 (en) 1987-12-09
DK436485A (da) 1986-03-28
AU4787685A (en) 1986-04-10
EP0176992A2 (en) 1986-04-09
ES547336A0 (es) 1987-02-16
JPS6186909A (ja) 1986-05-02

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