NL7613507A - Semipermeabele membranen uit copolyamiden en werkwijze ter vervaardiging daarvan. - Google Patents

Semipermeabele membranen uit copolyamiden en werkwijze ter vervaardiging daarvan.

Info

Publication number
NL7613507A
NL7613507A NL7613507A NL7613507A NL7613507A NL 7613507 A NL7613507 A NL 7613507A NL 7613507 A NL7613507 A NL 7613507A NL 7613507 A NL7613507 A NL 7613507A NL 7613507 A NL7613507 A NL 7613507A
Authority
NL
Netherlands
Prior art keywords
copolyamides
manufacture
semipermeable membranes
semipermeable
membranes
Prior art date
Application number
NL7613507A
Other languages
English (en)
Original Assignee
Bayer 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 Bayer Ag filed Critical Bayer Ag
Publication of NL7613507A publication Critical patent/NL7613507A/nl

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
    • C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/38—Polyamides prepared from aldehydes and polynitriles
    • 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
    • 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
    • C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/46—Post-polymerisation treatment
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124—Water desalination
    • Y02A20/131—Reverse-osmosis

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)
  • Polyamides (AREA)
NL7613507A 1975-12-06 1976-12-03 Semipermeabele membranen uit copolyamiden en werkwijze ter vervaardiging daarvan. NL7613507A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752554932 DE2554932A1 (de) 1975-12-06 1975-12-06 Semipermeable membranen aus copolyamiden

Publications (1)

Publication Number Publication Date
NL7613507A true NL7613507A (nl) 1977-06-08

Family

ID=5963661

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7613507A NL7613507A (nl) 1975-12-06 1976-12-03 Semipermeabele membranen uit copolyamiden en werkwijze ter vervaardiging daarvan.

Country Status (9)

Country Link
JP (1) JPS5270989A (nl)
AT (1) AT364733B (nl)
BE (1) BE849099A (nl)
CA (1) CA1101161A (nl)
DE (1) DE2554932A1 (nl)
FR (1) FR2333548A1 (nl)
GB (1) GB1539264A (nl)
IT (1) IT1123942B (nl)
NL (1) NL7613507A (nl)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55115428A (en) * 1979-02-26 1980-09-05 Teijin Ltd Aromatic compolyamide and preparation thereof
JPS5734125A (en) * 1980-08-07 1982-02-24 Teijin Ltd Fully aromatic polyamide fiber and film and their production
US4385148A (en) * 1981-06-25 1983-05-24 E. I. Du Pont De Nemours And Company Reverse osmosis membrane preparation
JPS5855006A (ja) * 1981-09-28 1983-04-01 Mitsubishi Chem Ind Ltd ポリスルホンエ−テルアミド膜
ES8308901A1 (es) * 1981-10-21 1983-10-01 Du Pont "mejoras introducidas en un procedimiento para la preparacion de una membrana de osmosis inversa".
DE3220376A1 (de) * 1982-05-29 1983-12-01 Seitz-Filter-Werke Theo & Geo Seitz GmbH und Co, 6550 Bad Kreuznach Membranfilter fuer mikrofiltration und verfahren zu seiner herstellung
DE3342823A1 (de) * 1983-11-26 1985-06-05 Seitz-Filter-Werke Theo & Geo Seitz GmbH und Co, 6550 Bad Kreuznach Verfahren zum herstellen von filterelementen auf der basis von aromatischem polyamid
US4621134A (en) * 1984-04-25 1986-11-04 Mitsubishi Petrochemical Co., Ltd. Aromatic polythioetheramide
JPS61259727A (ja) * 1985-05-13 1986-11-18 Agency Of Ind Science & Technol 分離膜
JPS62102802A (ja) * 1985-10-31 1987-05-13 Agency Of Ind Science & Technol 気体分離膜
JPS62102803A (ja) * 1985-10-31 1987-05-13 Agency Of Ind Science & Technol 気体分離膜
US4695383A (en) * 1986-03-12 1987-09-22 Toyo Boseki Kabushiki Kaisha Permselective membrane
DE3731185A1 (de) * 1987-09-17 1989-03-30 Huels Chemische Werke Ag Formmassen aus hochmolekularen aromatischen polyamiden
EP0473541A3 (en) * 1990-08-17 1992-05-27 Ciba-Geigy Ag Process for enrichment or separation, copolyamide and copolyimidamide and their use

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3094511A (en) * 1958-11-17 1963-06-18 Du Pont Wholly aromatic polyamides
US3349062A (en) * 1966-07-21 1967-10-24 Du Pont Halogenated aromatic polyamides
US3567632A (en) * 1968-09-04 1971-03-02 Du Pont Permselective,aromatic,nitrogen-containing polymeric membranes
US3904519A (en) * 1971-10-19 1975-09-09 Us Interior Reverse osmosis process using crosslinked aromatic polyamide membranes
FR2193634A1 (en) * 1972-07-20 1974-02-22 Du Pont Polyimide semi-permeable membranes
JPS5223346B2 (nl) * 1972-08-30 1977-06-23
US3993625A (en) * 1973-05-28 1976-11-23 Toray Industries, Inc. Permselective polymeric membranes of organic polyamide or polyhydrazide
AU500143B2 (en) * 1974-12-27 1979-05-10 Teijin Ltd Fiber or film-forming copolyamide
DE2602493A1 (de) * 1975-01-27 1976-07-29 Ramot Plastics Verfahren zur entfernung von harnstoff aus waessrigen loesungen

Also Published As

Publication number Publication date
CA1101161A (en) 1981-05-19
IT1123942B (it) 1986-04-30
JPS5270989A (en) 1977-06-13
DE2554932A1 (de) 1977-06-08
BE849099A (fr) 1977-06-06
ATA897276A (de) 1981-04-15
GB1539264A (en) 1979-01-31
FR2333548B1 (nl) 1983-02-18
AT364733B (de) 1981-11-10
FR2333548A1 (fr) 1977-07-01

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
BV The patent application has lapsed