BR7209266D0 - POLYMERIC MEMBRANES OF REVERSE ANISOTROPIC SKIN OF GREAT WATER FLOW AND STRONG SALINE REJECTION AND PROCESS OF PREPARING SUCH MEMBRANES - Google Patents

POLYMERIC MEMBRANES OF REVERSE ANISOTROPIC SKIN OF GREAT WATER FLOW AND STRONG SALINE REJECTION AND PROCESS OF PREPARING SUCH MEMBRANES

Info

Publication number
BR7209266D0
BR7209266D0 BR9266/72A BR926672A BR7209266D0 BR 7209266 D0 BR7209266 D0 BR 7209266D0 BR 9266/72 A BR9266/72 A BR 9266/72A BR 926672 A BR926672 A BR 926672A BR 7209266 D0 BR7209266 D0 BR 7209266D0
Authority
BR
Brazil
Prior art keywords
membranes
reverse
preparing
water flow
great water
Prior art date
Application number
BR9266/72A
Other languages
Portuguese (pt)
Inventor
M Rusco
L Credali
G Baruzzi
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 BR7209266D0 publication Critical patent/BR7209266D0/en

Links

Classifications

    • 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
    • C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
    • C08G69/26—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
    • 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)
  • Compositions Of Macromolecular Compounds (AREA)
BR9266/72A 1971-12-30 1972-12-29 POLYMERIC MEMBRANES OF REVERSE ANISOTROPIC SKIN OF GREAT WATER FLOW AND STRONG SALINE REJECTION AND PROCESS OF PREPARING SUCH MEMBRANES BR7209266D0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT33137/71A IT944578B (en) 1971-12-30 1971-12-30 POLYMER MEMBRANES FOR REVERSE OSMOSIS WITH HIGH FLOW OF WATER AND HIGH SALINE REJECTION AND METHOD OF PREPARATION OF SUCH MEMBRANES

Publications (1)

Publication Number Publication Date
BR7209266D0 true BR7209266D0 (en) 1973-09-25

Family

ID=11236670

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9266/72A BR7209266D0 (en) 1971-12-30 1972-12-29 POLYMERIC MEMBRANES OF REVERSE ANISOTROPIC SKIN OF GREAT WATER FLOW AND STRONG SALINE REJECTION AND PROCESS OF PREPARING SUCH MEMBRANES

Country Status (13)

Country Link
JP (1) JPS5611484B2 (en)
BE (1) BE793504A (en)
BR (1) BR7209266D0 (en)
CA (1) CA1018315A (en)
DE (1) DE2263774C2 (en)
EG (1) EG10806A (en)
ES (1) ES410178A1 (en)
FR (1) FR2166115B1 (en)
GB (1) GB1391559A (en)
IL (1) IL41210A (en)
IT (1) IT944578B (en)
NL (1) NL175884C (en)
ZA (1) ZA729171B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA74296B (en) * 1973-01-16 1974-11-27 Montedison Spa Reverse osmosis anisotropic membranes with great water flow and strong saline rejection,based on polypiperazine amides,and process for preparing such membranes
DE3220376A1 (en) * 1982-05-29 1983-12-01 Seitz-Filter-Werke Theo & Geo Seitz GmbH und Co, 6550 Bad Kreuznach MEMBRANE FILTER FOR MICROFILTRATION AND METHOD FOR THE PRODUCTION THEREOF
IT1153101B (en) * 1982-07-01 1987-01-14 Montedison Spa PROCEDURE FOR THE PREPARATION OF ANISOTROPIC FORMED BODIES BASED ON POLY-PIPERAZINAMIDES
IT1222627B (en) * 1987-09-09 1990-09-05 Separem Spa PROCEDURE FOR THE PREPARATION OF MEMBRANES FOR REVERSE OSMOSIS AND MEMBRANES OBTAINED BY THIS PROCEDURE
US4837054A (en) * 1987-10-14 1989-06-06 Exxon Research And Engineering Company Thin film composite membrane prepared by deposition from a solution
US4828773A (en) * 1987-10-14 1989-05-09 Exxon Research And Engineering Company Highly aromatic anisotropic polyurea/urethane membranes and their use for the separation of aromatics from non-aromatics
US4879044A (en) * 1987-10-14 1989-11-07 Exxon Research And Engineering Company Highly aromatic anisotropic polyurea/urethane membranes and their use for the separation of aromatics from non aromatics
US4921611A (en) * 1987-10-14 1990-05-01 Schucker Robert C Thin film composite membrane prepared by deposition from a solution
US4861628A (en) * 1987-10-14 1989-08-29 Exxon Research And Engineering Company Thin film composite membrane prepared by suspension deposition
US5045354A (en) * 1989-12-19 1991-09-03 Exxon Research & Engineering Company Production of supported thin film membranes

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL171019C (en) * 1969-07-08 1983-02-01 Consiglio Nazionale Ricerche MEMBRANES FOR REVERSE OSMOSIS.
NL7009957A (en) * 1969-07-08 1971-01-12

Also Published As

Publication number Publication date
NL175884C (en) 1985-01-16
CA1018315A (en) 1977-10-04
NL175884B (en) 1984-08-16
ES410178A1 (en) 1975-12-01
IT944578B (en) 1973-04-20
FR2166115B1 (en) 1976-04-23
FR2166115A1 (en) 1973-08-10
DE2263774A1 (en) 1973-07-12
IL41210A0 (en) 1973-02-28
EG10806A (en) 1976-09-30
ZA729171B (en) 1973-09-26
NL7217668A (en) 1973-07-03
JPS5611484B2 (en) 1981-03-14
GB1391559A (en) 1975-04-23
DE2263774C2 (en) 1982-04-01
JPS4880481A (en) 1973-10-27
IL41210A (en) 1976-08-31
BE793504A (en) 1973-06-29

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