IL44761A - Poly-and copolypiperazinamides membranes for reverse osmosis made therefrom and their preparation - Google Patents

Poly-and copolypiperazinamides membranes for reverse osmosis made therefrom and their preparation

Info

Publication number
IL44761A
IL44761A IL44761A IL4476174A IL44761A IL 44761 A IL44761 A IL 44761A IL 44761 A IL44761 A IL 44761A IL 4476174 A IL4476174 A IL 4476174A IL 44761 A IL44761 A IL 44761A
Authority
IL
Israel
Prior art keywords
membrane
water
membranes
solution
process according
Prior art date
Application number
IL44761A
Other languages
English (en)
Other versions
IL44761A0 (en
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 IL44761A0 publication Critical patent/IL44761A0/xx
Publication of IL44761A publication Critical patent/IL44761A/en

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)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Polyamides (AREA)
IL44761A 1973-05-07 1974-05-03 Poly-and copolypiperazinamides membranes for reverse osmosis made therefrom and their preparation IL44761A (en)

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 (2)

Publication Number Publication Date
IL44761A0 IL44761A0 (en) 1974-07-31
IL44761A true IL44761A (en) 1977-10-31

Family

ID=11209824

Family Applications (1)

Application Number Title Priority Date Filing Date
IL44761A IL44761A (en) 1973-05-07 1974-05-03 Poly-and copolypiperazinamides membranes for reverse osmosis made therefrom and their preparation

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 (3)

* 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
JPS6246014Y2 (xx) * 1980-10-17 1987-12-10
US4433117A (en) * 1982-03-23 1984-02-21 Kuraray Co., Ltd. Copolyesteramide and production of the same

Also Published As

Publication number Publication date
GB1422767A (en) 1976-01-28
NL176176B (nl) 1984-10-01
JPS575565B2 (xx) 1982-01-30
IL44761A0 (en) 1974-07-31
FR2228805B1 (xx) 1976-12-17
ES426000A1 (es) 1976-11-01
FR2228805A1 (xx) 1974-12-06
DK157978B (da) 1990-03-12
JPS5081978A (xx) 1975-07-03
CA1029496A (en) 1978-04-11
BE814603A (fr) 1974-11-06
IT987156B (it) 1975-02-20
NL176176C (nl) 1985-03-01
DK157978C (da) 1990-08-27
NL7405900A (xx) 1974-11-11
DE2421353A1 (de) 1974-11-21

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