ES372255A1 - Procedimiento para la preparacion de membranas semi-permea-bles. - Google Patents

Procedimiento para la preparacion de membranas semi-permea-bles.

Info

Publication number
ES372255A1
ES372255A1 ES372255A ES372255A ES372255A1 ES 372255 A1 ES372255 A1 ES 372255A1 ES 372255 A ES372255 A ES 372255A ES 372255 A ES372255 A ES 372255A ES 372255 A1 ES372255 A1 ES 372255A1
Authority
ES
Spain
Prior art keywords
solvent
membranes
monovalent hydrocarbon
radicals
tubular
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
ES372255A
Other languages
English (en)
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.)
Rhone Poulenc SA
Original Assignee
Rhone Poulenc SA
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 Rhone Poulenc SA filed Critical Rhone Poulenc SA
Publication of ES372255A1 publication Critical patent/ES372255A1/es
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G69/00Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/02Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
    • C08G69/26Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
    • C08G69/32Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids from aromatic diamines and aromatic dicarboxylic acids with both amino and carboxylic groups aromatically bound
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06Organic material
    • B01D71/56Polyamides, e.g. polyester-amides
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G69/00Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/42Polyamides containing atoms other than carbon, hydrogen, oxygen, and nitrogen

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)
ES372255A 1968-10-07 1969-10-07 Procedimiento para la preparacion de membranas semi-permea-bles. Expired ES372255A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR168986 1968-10-07

Publications (1)

Publication Number Publication Date
ES372255A1 true ES372255A1 (es) 1971-09-16

Family

ID=8655349

Family Applications (1)

Application Number Title Priority Date Filing Date
ES372255A Expired ES372255A1 (es) 1968-10-07 1969-10-07 Procedimiento para la preparacion de membranas semi-permea-bles.

Country Status (11)

Country Link
US (1) US3619424A (es)
BE (1) BE739909A (es)
BR (1) BR6913013D0 (es)
CH (1) CH515298A (es)
DE (1) DE1950594C3 (es)
ES (1) ES372255A1 (es)
FR (1) FR1587422A (es)
GB (1) GB1268830A (es)
IL (1) IL33122A (es)
LU (1) LU59580A1 (es)
NL (1) NL6914734A (es)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5223346B2 (es) * 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
JPS5193786A (en) * 1975-02-15 1976-08-17 Makurokagatano chukuseni
US4017237A (en) * 1975-03-05 1977-04-12 Bethlehem Steel Corporation Injection mold with ultra sonic gating means
DE2751910B2 (de) * 1977-11-21 1979-09-20 Hoechst Ag, 6000 Frankfurt Permselektive, asymmetrische Hämofiltrationsmembran mit heteroporöser Struktur
US4277344A (en) * 1979-02-22 1981-07-07 Filmtec Corporation Interfacially synthesized reverse osmosis membrane
US6337018B1 (en) * 2000-04-17 2002-01-08 The Dow Chemical Company Composite membrane and method for making the same
EP1848661B1 (en) * 2005-02-18 2018-08-01 Akzo Nobel Chemicals International B.V. Process to prepare chlorine or sodium chlorate
PL1858806T3 (pl) * 2005-02-18 2009-07-31 Akzo Nobel Chemicals Int Bv Sposób wytwarzania soli
US8177978B2 (en) 2008-04-15 2012-05-15 Nanoh20, Inc. Reverse osmosis membranes
WO2011008549A2 (en) 2009-06-29 2011-01-20 NanoH2O Inc. Improved hybrid tfc ro membranes with nitrogen additives
EP2637773B1 (en) 2010-11-10 2019-10-30 NanoH2O Inc. Improved hybrid tfc ro membranes with non-metallic additives
DE102014200343B4 (de) 2014-01-10 2021-08-12 Robert Bosch Gmbh Verfahren zum Ermitteln eines erhöhten Widerstands eines Zellverbinders, Verfahren zum Batteriemanagement, Computerprogramm, Batteriemanagementsystem, Batteriepack sowie Kraftfahrzeug mit einem Batteriepack
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

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2252554A (en) * 1938-09-19 1941-08-12 Wilmington Trust Company Polymeric material
US3063966A (en) * 1958-02-05 1962-11-13 Du Pont Process of making wholly aromatic polyamides
US3220960A (en) * 1960-12-21 1965-11-30 Wichterle Otto Cross-linked hydrophilic polymers and articles made therefrom

Also Published As

Publication number Publication date
DE1950594B2 (de) 1975-02-13
DE1950594A1 (de) 1970-04-09
DE1950594C3 (de) 1975-09-18
IL33122A0 (en) 1969-12-31
GB1268830A (en) 1972-03-29
US3619424A (en) 1971-11-09
BR6913013D0 (pt) 1973-01-09
LU59580A1 (es) 1970-04-06
IL33122A (en) 1973-06-29
CH515298A (fr) 1971-11-15
NL6914734A (es) 1970-04-09
FR1587422A (es) 1970-03-20
BE739909A (es) 1970-04-06

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