FR2297223A1 - Procede de preparation de membranes polymeres organiques a permeabilite selective, en polyamide ou en polyhydrazide, et nouveaux produits ainsi obtenus - Google Patents

Procede de preparation de membranes polymeres organiques a permeabilite selective, en polyamide ou en polyhydrazide, et nouveaux produits ainsi obtenus

Info

Publication number
FR2297223A1
FR2297223A1 FR7600274A FR7600274A FR2297223A1 FR 2297223 A1 FR2297223 A1 FR 2297223A1 FR 7600274 A FR7600274 A FR 7600274A FR 7600274 A FR7600274 A FR 7600274A FR 2297223 A1 FR2297223 A1 FR 2297223A1
Authority
FR
France
Prior art keywords
polyhydrazide
polyamide
preparation
organic polymer
new products
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.)
Granted
Application number
FR7600274A
Other languages
English (en)
Other versions
FR2297223B1 (fr
Inventor
Masaru Kurihara
Soichi Tokizane
Tatsundo Tanaka
Masamitsu Tanimura
Yoichi Shimokawa
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.)
Toray Industries Inc
Original Assignee
Toray Industries Inc
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 Toray Industries Inc filed Critical Toray Industries Inc
Publication of FR2297223A1 publication Critical patent/FR2297223A1/fr
Application granted granted Critical
Publication of FR2297223B1 publication Critical patent/FR2297223B1/fr
Granted legal-status Critical Current

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
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/10—Metal compounds

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)
FR7600274A 1975-01-08 1976-01-07 Procede de preparation de membranes polymeres organiques a permeabilite selective, en polyamide ou en polyhydrazide, et nouveaux produits ainsi obtenus Granted FR2297223A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP445975A JPS5543367B2 (fr) 1975-01-08 1975-01-08

Publications (2)

Publication Number Publication Date
FR2297223A1 true FR2297223A1 (fr) 1976-08-06
FR2297223B1 FR2297223B1 (fr) 1978-11-03

Family

ID=11584719

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7600274A Granted FR2297223A1 (fr) 1975-01-08 1976-01-07 Procede de preparation de membranes polymeres organiques a permeabilite selective, en polyamide ou en polyhydrazide, et nouveaux produits ainsi obtenus

Country Status (4)

Country Link
US (1) US4086215A (fr)
JP (1) JPS5543367B2 (fr)
FR (1) FR2297223A1 (fr)
IT (1) IT1055704B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0038695B1 (fr) * 1980-04-18 1984-07-25 E.I. Du Pont De Nemours And Company Traitement de membranes pour osmose inverse

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4217227A (en) * 1975-12-06 1980-08-12 Bayer Aktiengesellschaft Semipermeable membranes of copolyamides
JPS5513742A (en) * 1978-07-18 1980-01-30 Teijin Ltd Aromatic polyamide film and its production
JPS5554004A (en) * 1978-10-18 1980-04-21 Teijin Ltd Selective permeable membrane and its manufacturing
DE3000168A1 (de) * 1980-01-04 1981-07-09 Bayer Ag, 5090 Leverkusen Elektrisch leitende cyclische polyimide
JPS5824303A (ja) * 1981-08-03 1983-02-14 Teijin Ltd 耐酸化性複合半透膜
JPS5855006A (ja) * 1981-09-28 1983-04-01 Mitsubishi Chem Ind Ltd ポリスルホンエ−テルアミド膜
US4471110A (en) * 1982-08-02 1984-09-11 E. I. Dupont De Nemours And Company Polyamide of disulfonated diamine and permselective membrane thereof
JPS5926101A (ja) * 1982-08-04 1984-02-10 Teijin Ltd 複合半透膜
JPS60500406A (ja) * 1983-02-02 1985-03-28 メムテツク　リミテツド 架橋した多孔質膜
US4601827A (en) * 1984-09-27 1986-07-22 E. I. Du Pont De Nemours And Company Multistage annealing of aramide reverse osmosis membranes
US4853122A (en) * 1987-09-15 1989-08-01 Bend Research, Inc. P-xylylenediamide/diimide composite RO membranes
US4792404A (en) * 1988-03-28 1988-12-20 Allied-Signal Inc. Desalination of saline water
US4990350A (en) * 1990-01-16 1991-02-05 Joseph E. Seagrams And Sons, Inc. Process for preparing reduced alcoholic spirits and the product produced therefrom
US8268937B2 (en) * 2006-09-09 2012-09-18 Teijin Aramid B.V. Crosslinkable aramid copolymers
KR20220069097A (ko) * 2019-10-31 2022-05-26 도레이 카부시키가이샤 복합 반투막
CN111013392B (zh) * 2019-12-26 2022-02-25 海南立昇净水科技实业有限公司 杂化超滤膜及其制备方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2156839A1 (fr) * 1971-10-19 1973-06-01 Us Government
FR2231711A1 (fr) * 1973-05-28 1974-12-27 Toray Industries

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3954607A (en) * 1972-05-01 1976-05-04 E. I. Du Pont De Nemours And Company Permselective membranes of diacyl hydrazide-containing aromatic polymers having selected metals complexed therewith
US3948823A (en) * 1972-08-01 1976-04-06 Allied Chemical Corporation Method of making permselective interpolymer membranes
US3935172A (en) * 1974-05-20 1976-01-27 The United States Of America As Represented By The Secretary Of The Interior Regular copolyamides as desalination membranes

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2156839A1 (fr) * 1971-10-19 1973-06-01 Us Government
FR2231711A1 (fr) * 1973-05-28 1974-12-27 Toray Industries

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0038695B1 (fr) * 1980-04-18 1984-07-25 E.I. Du Pont De Nemours And Company Traitement de membranes pour osmose inverse

Also Published As

Publication number Publication date
US4086215A (en) 1978-04-25
FR2297223B1 (fr) 1978-11-03
IT1055704B (it) 1982-01-11
JPS5188479A (fr) 1976-08-03
JPS5543367B2 (fr) 1980-11-06

Similar Documents

Publication Publication Date Title
FR2297223A1 (fr) Procede de preparation de membranes polymeres organiques a permeabilite selective, en polyamide ou en polyhydrazide, et nouveaux produits ainsi obtenus
FR2316271A1 (fr) Nouveaux polymeres quaternises, leur procede de preparation, et leur application
JPS5471785A (en) Selectively permeable membrane and production thereof
NL175279C (nl) Laminaat, dat bestaat uit tenminste een laag van een styreenpolymeer en tenminste een laag van een polyalkeen of een nitrilgroepen bevattend polymeer; alsmede gevormde voortbrengselen.
BE781879A (fr) Nouveaux 1,4-dihydropyridines dissymetriques leur procede de preparation et leur application comme medicaments
NL7708555A (nl) Werkwijze voor de vervaardiging van asymmetrische membranen.
FR2313052A1 (fr) Nouveaux derives d'isoxazoles, leur procede de preparation et leurs applications
AT343903B (de) Verfahren zur herstellung wasserloslicher, hochmolekularer polymerisate
AT343909B (de) Verfahren zur herstellung von neuen, warmestabilen polymeren und prapolymeren davon
FR2322876A1 (fr) Procede de production de produits carbones poreux et nouveaux produits ainsi obtenus
FR2286163A1 (fr) Nouveaux latex de caoutchouc et leur procede de production
BE843566A (fr) Nouveaux polyalkylsiloxanes substitues, leur procede de preparation et leurs applications
FR2319626A1 (fr) Procede de preparation de dinitriles insatures et nouveaux produits ainsi obtenus
FR2333012A1 (fr) Nouveaux polymeres quaternises et leur procede de preparation
BE786931A (fr) Nouveaux derives pyrroliques, leur procede de preparation et leur application comme herbicides
BE795098A (fr) Nouveaux 1-aminosulfonyl-2-amino-benzimidazoles, leur procede de preparation et leur application comme fongicides
FR2329679A1 (fr) Procede d'amination catalytique de polyols polymeres et nouveaux produits ainsi obtenus
FR2276310A1 (fr) Nouveaux azido-silanes, leur procede d'application et articles manufactures obtenus
FR2313417A1 (fr) Procede de preparation de phosphonates polymeres et nouveaux produits ainsi obtenus
FR2306702A1 (fr) Procede de preparation de sterolglucosides facilement absorbable et nouveaux produits ainsi obtenus
BE839267A (fr) Produit polymere et son procede de preparation
BE819321A (fr) Nouveaux 2,3-dihydrobenzofuranyl-7-n-methyl-carbamates n-sulfenyles, leur procede de preparation et leur application
BE791088A (fr) Nouveaux derives d'aryl (piperidyl-4) cetone, utiles notamment comme analgesiques et anticoagulants, et leur procede de preparation
BE836925A (fr) Nouveaux derives de thiouree, leur procede de preparation et leur application comme fongicides
FR2308631A1 (fr) Nouveaux n-alcoyl et cycloalcoyl thioacrylamides, leur procede de preparation et leur application comme fongicides

Legal Events

Date Code Title Description
ST Notification of lapse