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ES426000A1 - Procedimiento para la preparacion de membranas de gel ani- sotropico. - Google Patents

Procedimiento para la preparacion de membranas de gel ani- sotropico.

Info

Publication number
ES426000A1
ES426000A1 ES426000A ES426000A ES426000A1 ES 426000 A1 ES426000 A1 ES 426000A1 ES 426000 A ES426000 A ES 426000A ES 426000 A ES426000 A ES 426000A ES 426000 A1 ES426000 A1 ES 426000A1
Authority
ES
Spain
Prior art keywords
general formula
membrane
see formula
alkyl
preparation
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
ES426000A
Other languages
English (en)
Spanish (es)
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.)
Montedison SpA
Original Assignee
Montedison SpA
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 Montedison SpA filed Critical Montedison SpA
Publication of ES426000A1 publication Critical patent/ES426000A1/es
Expired legal-status Critical Current

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
    • C08G69/42—Polyamides containing atoms other than carbon, hydrogen, oxygen, and nitrogen
    • 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
    • C08G69/40—Polyamides containing oxygen in the form of ether groups

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)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
ES426000A 1973-05-07 1974-05-06 Procedimiento para la preparacion de membranas de gel ani- sotropico. Expired ES426000A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT23770/73A IT987156B (it) 1973-05-07 1973-05-07 Polipiperazinammidi copolipiperazi nammidi e membrane per osmosi in versa a base di tali materiali polimerici

Publications (1)

Publication Number Publication Date
ES426000A1 true ES426000A1 (es) 1976-11-01

Family

ID=11209824

Family Applications (1)

Application Number Title Priority Date Filing Date
ES426000A Expired ES426000A1 (es) 1973-05-07 1974-05-06 Procedimiento para la preparacion de membranas de gel ani- sotropico.

Country Status (11)

Country Link
JP (1) JPS575565B2 (xx)
BE (1) BE814603A (xx)
CA (1) CA1029496A (xx)
DE (1) DE2421353A1 (xx)
DK (1) DK157978C (xx)
ES (1) ES426000A1 (xx)
FR (1) FR2228805B1 (xx)
GB (1) GB1422767A (xx)
IL (1) IL44761A (xx)
IT (1) IT987156B (xx)
NL (1) NL176176C (xx)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1040274B (it) * 1975-07-30 1979-12-20 Consiglio Nazionale Ricerche Procedimento di preparazione di membrane anisotrope supportate per osmosi inversa a base di poliammidi sintetiche
US4433117A (en) * 1982-03-23 1984-02-21 Kuraray Co., Ltd. Copolyesteramide and production of the same

Also Published As

Publication number Publication date
DK157978C (da) 1990-08-27
CA1029496A (en) 1978-04-11
NL176176C (nl) 1985-03-01
NL176176B (nl) 1984-10-01
GB1422767A (en) 1976-01-28
IT987156B (it) 1975-02-20
DK157978B (da) 1990-03-12
FR2228805A1 (xx) 1974-12-06
BE814603A (fr) 1974-11-06
IL44761A0 (en) 1974-07-31
DE2421353A1 (de) 1974-11-21
IL44761A (en) 1977-10-31
JPS575565B2 (xx) 1982-01-30
NL7405900A (xx) 1974-11-11
JPS5081978A (xx) 1975-07-03
FR2228805B1 (xx) 1976-12-17

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