IL65381A - Composite semipermeable membrane and its preparation - Google Patents

Composite semipermeable membrane and its preparation

Info

Publication number
IL65381A
IL65381A IL65381A IL6538182A IL65381A IL 65381 A IL65381 A IL 65381A IL 65381 A IL65381 A IL 65381A IL 6538182 A IL6538182 A IL 6538182A IL 65381 A IL65381 A IL 65381A
Authority
IL
Israel
Prior art keywords
preparation
semipermeable membrane
composite semipermeable
composite
membrane
Prior art date
Application number
IL65381A
Other languages
English (en)
Other versions
IL65381A0 (en
Original Assignee
Nitto Electric Ind Co
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 Nitto Electric Ind Co filed Critical Nitto Electric Ind Co
Publication of IL65381A0 publication Critical patent/IL65381A0/xx
Publication of IL65381A publication Critical patent/IL65381A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/0622—Polycondensates containing six-membered rings, not condensed with other rings, with nitrogen atoms as the only ring hetero atoms
    • C08G73/0638—Polycondensates containing six-membered rings, not condensed with other rings, with nitrogen atoms as the only ring hetero atoms with at least three nitrogen atoms in the ring
    • 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
    • B01D69/125—In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction
    • 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
    • B01D71/58—Other polymers having nitrogen in the main chain, with or without oxygen or carbon only
    • B01D71/62—Polycondensates having nitrogen-containing heterocyclic rings in the main chain
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L79/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen or carbon only, not provided for in groups C08L61/00 - C08L77/00
    • C08L79/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
IL65381A 1981-03-31 1982-03-30 Composite semipermeable membrane and its preparation IL65381A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56048963A JPS5850522B2 (ja) 1981-03-31 1981-03-31 複合半透膜及びその製造方法

Publications (2)

Publication Number Publication Date
IL65381A0 IL65381A0 (en) 1982-05-31
IL65381A true IL65381A (en) 1985-03-31

Family

ID=12817928

Family Applications (1)

Application Number Title Priority Date Filing Date
IL65381A IL65381A (en) 1981-03-31 1982-03-30 Composite semipermeable membrane and its preparation

Country Status (6)

Country Link
US (1) US4612118A (de)
EP (1) EP0061782B1 (de)
JP (1) JPS5850522B2 (de)
CA (1) CA1180235A (de)
DE (1) DE3276618D1 (de)
IL (1) IL65381A (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH660852A5 (de) * 1982-11-23 1987-05-29 Aligena Ag Dynamische membranen, die sich als duenne polymerschichten auf poroesen, polymeren traegermaterialien befinden.
WO1985001222A1 (en) * 1983-09-12 1985-03-28 Memtec Limited Treatment of porous membranes
FR2577227B1 (fr) * 1985-02-11 1987-05-15 Inst Nat Rech Chimique Membranes asymetriques ou composites a base de polyquinoxalines, leur application possible en permeation gazeuse et plus particulierement pour le fractionnement des melanges gazeux, et notamment la deshydratation et la desacidification des gaz, specialement les hydrocarbures gazeux
US4992172A (en) * 1987-09-14 1991-02-12 Gelman Sciences, Inc. Blotting methods using polyaldehyde activated membranes
US4961852A (en) * 1987-09-14 1990-10-09 Gelman Sciences, Inc. Polyaldehyde activated membranes
US4824870A (en) * 1987-09-14 1989-04-25 Gelman Sciences, Inc. Polyaldehyde activated membranes
US4792404A (en) * 1988-03-28 1988-12-20 Allied-Signal Inc. Desalination of saline water
DE19526094A1 (de) * 1995-07-18 1997-01-23 Geesthacht Gkss Forschung Membranen aus Polyacrylnitril
KR20000051528A (ko) * 1999-01-22 2000-08-16 한형수 고유량 역삼투 복합막의 제조방법
AUPP939299A0 (en) * 1999-03-23 1999-04-15 University Of Melbourne, The Polymer gels and methods for their preparation
EP2531892B1 (de) * 2010-02-02 2016-01-27 Covestro Deutschland AG Verwendung einer photopolymer-formulierung mit triazin-basierten schreibmonomeren
DE102010034700A1 (de) 2010-08-18 2012-02-23 Merck Patent Gmbh Membran mit selektiv permeabler Polymerschicht
JP6295949B2 (ja) 2013-02-28 2018-03-20 東レ株式会社 複合半透膜およびその製造方法
CN114130220A (zh) * 2021-11-23 2022-03-04 万华化学集团股份有限公司 一种聚三嗪类耐碱复合纳滤膜的制备方法
CN114307695A (zh) * 2021-12-17 2022-04-12 沃顿科技股份有限公司 一种耐氯复合反渗透膜及其制备方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2643958A (en) * 1949-08-03 1953-06-30 Bayer Ag Textile printing paste and method of coating therewith
US3322741A (en) * 1964-10-01 1967-05-30 American Cyanamid Co Compositions comprising the heat reaction product of 1, 3, 5-triacrylylhexahydrotriazine and a polyfunctional aromatic amine
US3526588A (en) * 1967-09-21 1970-09-01 Amicon Corp Macromolecular fractionation process
US3615024A (en) * 1968-08-26 1971-10-26 Amicon Corp High flow membrane
US4039440A (en) * 1972-09-19 1977-08-02 The United States Of America As Represented By The Secretary Of The Interior Reverse osmosis membrane
US3951815A (en) * 1974-09-05 1976-04-20 Universal Oil Products Company Composite semipermeable membranes made from polyethylenimine
US4005012A (en) * 1975-09-22 1977-01-25 The United States Of America As Represented By The Secretary Of The Interior Semipermeable membranes and the method for the preparation thereof
US4265745A (en) * 1977-05-25 1981-05-05 Teijin Limited Permselective membrane
US4125462A (en) * 1977-08-30 1978-11-14 Rohm And Haas Company Coated membranes
JPS5471785A (en) * 1977-11-18 1979-06-08 Nitto Electric Ind Co Ltd Selectively permeable membrane and production thereof

Also Published As

Publication number Publication date
EP0061782B1 (de) 1987-06-24
EP0061782A2 (de) 1982-10-06
EP0061782A3 (en) 1984-08-22
US4612118A (en) 1986-09-16
IL65381A0 (en) 1982-05-31
CA1180235A (en) 1985-01-02
DE3276618D1 (en) 1987-07-30
JPS57162608A (en) 1982-10-06
JPS5850522B2 (ja) 1983-11-11

Similar Documents

Publication Publication Date Title
DE2963623D1 (en) Semipermeable composite membrane and the preparation thereof
GB2103536B (en) Composite hydrophilic semipermeable membrane
DE3760407D1 (en) Composite membrane
EP0211633A3 (en) Semipermeable composite membrane
GB2048718B (en) Composite semipermeable membrane and process for its preparation
EP0217212A3 (en) Semipermeable composite membrane and process for preparation thereof
GB8609653D0 (en) Composite membranes
DE3560809D1 (en) Composite membrane
IL63638A0 (en) Semipermeable composite membranes,their manufacture and their use
GB2027614B (en) Semipermeable composite membrane and process for preparation thereof
JPS57174104A (en) Semipermeable membrane containing modified polysulfones and its manufacture and use
EP0245863A3 (en) Composite ultrafiltration membranes
IL65197A0 (en) Polyacrylonitrile-containing semipermeable membranes,their manufacture and their use
AU597641B2 (en) Composite membrane
JPS57159506A (en) Ultrafiltration membrane and its manufacture
IL82123A0 (en) Composite membrane and its manufacture
IL65381A (en) Composite semipermeable membrane and its preparation
DE3275815D1 (en) Semi-permeable membranes
GB2218011B (en) Composite semipermeable membrane
JPS57136907A (en) Reverse osmosis membrane and its manufacture
GB8609248D0 (en) Composite membranes
DE3272159D1 (en) Composite concentration system
ZA837304B (en) Semipermeable membranes and method of making the same
IL72506A0 (en) Ion-exchange membranes and processes for the preparation thereof
IL76505A0 (en) Reverse osmosis membranes and their preparation