AU6450974A - Reverse osmosis anisotropic membranes - Google Patents

Reverse osmosis anisotropic membranes

Info

Publication number
AU6450974A
AU6450974A AU64509/74A AU6450974A AU6450974A AU 6450974 A AU6450974 A AU 6450974A AU 64509/74 A AU64509/74 A AU 64509/74A AU 6450974 A AU6450974 A AU 6450974A AU 6450974 A AU6450974 A AU 6450974A
Authority
AU
Australia
Prior art keywords
reverse osmosis
anisotropic membranes
anisotropic
membranes
osmosis
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
AU64509/74A
Inventor
Lino Credali
Giovanni Baruzzi
Vincenzo Guidotti
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 AU6450974A publication Critical patent/AU6450974A/en
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
    • C08G69/40—Polyamides containing oxygen in the form of ether groups
    • 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
    • C08G69/42—Polyamides 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)
  • Compositions Of Macromolecular Compounds (AREA)
AU64509/74A 1973-01-16 1974-01-15 Reverse osmosis anisotropic membranes Expired AU6450974A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT19247/73A IT978187B (en) 1973-01-16 1973-01-16 ANISOTROPIC MEMBRANES FOR REVERSE OSMOSIS WITH HIGH FLOW AND ELEVATE SALINE REJECTION BASED ON POLYPERAZINAMIDES AND RELATIVE PREPARATION PROCEDURES

Publications (1)

Publication Number Publication Date
AU6450974A true AU6450974A (en) 1975-07-17

Family

ID=11156091

Family Applications (1)

Application Number Title Priority Date Filing Date
AU64509/74A Expired AU6450974A (en) 1973-01-16 1974-01-15 Reverse osmosis anisotropic membranes

Country Status (12)

Country Link
JP (1) JPS574361B2 (en)
AU (1) AU6450974A (en)
BE (1) BE809757A (en)
CA (1) CA1024711A (en)
DE (1) DE2401428C2 (en)
ES (1) ES422290A1 (en)
FR (1) FR2324335A1 (en)
GB (1) GB1402247A (en)
IL (1) IL44156A (en)
IT (1) IT978187B (en)
NL (1) NL176231C (en)
ZA (1) ZA74296B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2704600C3 (en) * 1977-02-04 1988-05-26 Hoechst Ag, 6230 Frankfurt Permselective, asymmetric hemofiltration membrane with heteroporous structure based on polyamide
JPS57174107A (en) * 1981-04-20 1982-10-26 Teijin Ltd Production of permselective membrane

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7009957A (en) * 1969-07-08 1971-01-12
NL171019C (en) * 1969-07-08 1983-02-01 Consiglio Nazionale Ricerche MEMBRANES FOR REVERSE OSMOSIS.
US3664986A (en) * 1969-10-14 1972-05-23 Du Pont 1,2,5-thiadiazole polymers
BE793504A (en) * 1971-12-30 1973-06-29 Montedison Spa ANISOTROPIC RETROOSMOSIS MEMBRANES AND THEIR PREPARATION PROCESS

Also Published As

Publication number Publication date
ES422290A1 (en) 1976-04-01
GB1402247A (en) 1975-08-06
DE2401428C2 (en) 1985-11-14
DE2401428A1 (en) 1974-07-18
NL176231B (en) 1984-10-16
BE809757A (en) 1974-07-15
FR2324335B1 (en) 1978-02-10
IL44156A0 (en) 1974-05-16
ZA74296B (en) 1974-11-27
NL176231C (en) 1985-03-18
FR2324335A1 (en) 1977-04-15
JPS49109271A (en) 1974-10-17
CA1024711A (en) 1978-01-24
IT978187B (en) 1974-09-20
IL44156A (en) 1976-08-31
JPS574361B2 (en) 1982-01-26
NL7400402A (en) 1974-07-18

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