IT1019215B - Membrana semipermeabile utile in particolare per la separazione di sostanze e procedimento per la sua produzione - Google Patents

Membrana semipermeabile utile in particolare per la separazione di sostanze e procedimento per la sua produzione

Info

Publication number
IT1019215B
IT1019215B IT52925/74A IT5292574A IT1019215B IT 1019215 B IT1019215 B IT 1019215B IT 52925/74 A IT52925/74 A IT 52925/74A IT 5292574 A IT5292574 A IT 5292574A IT 1019215 B IT1019215 B IT 1019215B
Authority
IT
Italy
Prior art keywords
substances
separation
procedure
production
semipermeable membrane
Prior art date
Application number
IT52925/74A
Other languages
English (en)
Original Assignee
Sumitomo Chemical Co
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
Priority claimed from JP10141773A external-priority patent/JPS526943B2/ja
Priority claimed from JP5857874A external-priority patent/JPS5232755B2/ja
Application filed by Sumitomo Chemical Co filed Critical Sumitomo Chemical Co
Application granted granted Critical
Publication of IT1019215B publication Critical patent/IT1019215B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0081—After-treatment of organic or inorganic membranes
    • B01D67/009—After-treatment of organic or inorganic membranes with wave-energy, particle-radiation or plasma
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/12—Chemical modification
    • C08J7/123—Treatment by wave energy or particle radiation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
IT52925/74A 1973-09-07 1974-09-06 Membrana semipermeabile utile in particolare per la separazione di sostanze e procedimento per la sua produzione IT1019215B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP10141773A JPS526943B2 (it) 1973-09-07 1973-09-07
JP5857874A JPS5232755B2 (it) 1974-05-23 1974-05-23

Publications (1)

Publication Number Publication Date
IT1019215B true IT1019215B (it) 1977-11-10

Family

ID=26399622

Family Applications (1)

Application Number Title Priority Date Filing Date
IT52925/74A IT1019215B (it) 1973-09-07 1974-09-06 Membrana semipermeabile utile in particolare per la separazione di sostanze e procedimento per la sua produzione

Country Status (7)

Country Link
US (2) US3992495A (it)
DE (1) DE2442209C2 (it)
DK (1) DK148785C (it)
FR (1) FR2243222B1 (it)
GB (1) GB1481228A (it)
IT (1) IT1019215B (it)
NL (1) NL174020C (it)

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL174020C (nl) * 1973-09-07 1984-04-16 Sumitomo Chemical Co Werkwijze voor het vervaardigen van een membraan voor het scheiden van stoffen, en het vervaardigde membraan.
JPS568645B2 (it) * 1974-09-05 1981-02-25
FR2286850A1 (fr) * 1974-10-02 1976-04-30 Inst Nat Rech Chimique Membranes en polyacrylamide methylole ou en polyacrylamide substitue methylole et leur fabrication
JPS5226380A (en) * 1975-08-25 1977-02-26 Sumitomo Chem Co Ltd Method of making semipermeable membranes
JPS5254688A (en) * 1975-10-30 1977-05-04 Sumitomo Chem Co Ltd Method of producing semipermeable memebrane
JPS5857205B2 (ja) * 1976-02-02 1983-12-19 住友化学工業株式会社 半透膜の製造方法
CH621265A5 (it) * 1976-03-16 1981-01-30 Killer Walter H P
US4353799A (en) * 1976-05-19 1982-10-12 Baxter Travenol Laboratories, Inc. Hydrophobic diffusion membranes for blood having wettable surfaces
NZ184767A (en) * 1976-08-05 1980-03-05 Tecneco Spa Assymetric membranes from fluorinated polymeric materials
LU76471A1 (it) * 1976-12-24 1978-07-10
LU76474A1 (it) * 1976-12-24 1978-07-10
US4156597A (en) * 1977-09-23 1979-05-29 General Electric Company Ultrathin polyetherimide membrane and gas separation process
US4316783A (en) * 1978-06-20 1982-02-23 Japan Atomic Energy Research Institute Process for modifying a shaped polyethylene
US4276138A (en) * 1978-06-27 1981-06-30 Agency Of Industrial Science & Technology Method for reducing electrostatic charging on shaped articles of polyvinyl chloride resins
JPS5550034A (en) * 1978-10-05 1980-04-11 Toray Ind Inc Surface-treatment of plastic
JPS56830A (en) * 1979-06-18 1981-01-07 Shin Etsu Chem Co Ltd Surface treatment of acrylic resin molded product
US4347139A (en) * 1980-03-24 1982-08-31 Juichiro Ozawa Membrane for reverse osmosis and method of making the same
IL60886A (en) * 1980-08-20 1984-03-30 Yissum Res Dev Co Method for producing permeable polymeric membranes
US4439292A (en) * 1981-08-13 1984-03-27 Bayer Aktiengesellschaft Treatment of perfluorinated polymer membranes containing carboxyl groups
US4501484A (en) * 1981-08-19 1985-02-26 Ricoh Company, Ltd. Photoconductive element cleaning apparatus and residual toner collecting apparatus
US4707266A (en) * 1982-02-05 1987-11-17 Pall Corporation Polyamide membrane with controlled surface properties
US4533369A (en) * 1982-05-28 1985-08-06 Sumitomo Electric Industries, Ltd. Gas-permselective composite membranes and process for the production thereof
US4456708A (en) * 1982-06-25 1984-06-26 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Method for the preparation of thin-skinned asymmetric reverse osmosis membranes and products thereof
JPS5930832A (ja) * 1982-08-13 1984-02-18 Shin Etsu Chem Co Ltd 表面特性の改質されたフツ素系樹脂成形品
CA1234461A (en) * 1982-12-21 1988-03-29 Sumitomo Electric Industries, Ltd. Selectively permeable asymmetric membrane of polyetherimide
GB8310666D0 (en) * 1983-04-20 1983-05-25 Limit Instant Ltd Treatment of membranes
US4868222A (en) * 1985-06-10 1989-09-19 The Dow Chemical Company Preparation of asymmetric membranes by the solvent extraction of polymer components from polymer blends
US4806246A (en) * 1986-04-11 1989-02-21 Applied Membrane Technology, Inc. Pore size control using plasma polymerization techniques
GB8620484D0 (en) * 1986-08-22 1986-10-01 Raychem Ltd Plugged microporous film
DE3704546A1 (de) * 1987-02-13 1988-08-25 Kernforschungsz Karlsruhe Verfahren zur herstellung eines filters und danach hergestelltes filter
US5338770A (en) * 1988-06-08 1994-08-16 Cardiopulmonics, Inc. Gas permeable thrombo-resistant coatings and methods of manufacture
US5342693A (en) * 1988-06-08 1994-08-30 Cardiopulmonics, Inc. Multifunctional thrombo-resistant coating and methods of manufacture
US5182317A (en) * 1988-06-08 1993-01-26 Cardiopulmonics, Inc. Multifunctional thrombo-resistant coatings and methods of manufacture
US5262451A (en) * 1988-06-08 1993-11-16 Cardiopulmonics, Inc. Multifunctional thrombo-resistant coatings and methods of manufacture
US4873037A (en) * 1988-10-05 1989-10-10 The Dow Chemical Company Method for preparing an asymmetric semi-permeable membrane
US6022902A (en) * 1989-10-31 2000-02-08 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Porous article with surface functionality and method for preparing same
US5302452A (en) * 1990-01-04 1994-04-12 Toray Industries, Inc. Drawn plastic product and a method for drawing a plastic product
US5211993A (en) * 1990-12-10 1993-05-18 Advanced Surface Technology, Inc. Method of making novel separation media
US5275766A (en) * 1992-10-30 1994-01-04 Corning Incorporate Method for making semi-permeable polymer membranes
US5755964A (en) * 1996-02-02 1998-05-26 The Dow Chemical Company Method of treating polyamide membranes to increase flux
US6260709B1 (en) 1998-11-09 2001-07-17 Parker-Hannifin Corporation Membrane filter element for chemical-mechanical polishing slurries
US6780327B1 (en) * 1999-02-25 2004-08-24 Pall Corporation Positively charged membrane
FR2820057A1 (fr) * 2001-01-30 2002-08-02 Ct De Transfert De Technologie Membrane pour chambre d'encapsulation de cellules produisant au moins une substance biologiquement active et organe bio-artificiel comprenant une telle membrane
EP2056310A1 (en) * 2007-10-30 2009-05-06 General Electric Company Method for producing an electrode and device
CN101425394A (zh) * 2007-10-30 2009-05-06 通用电气公司 一种电极和设备的制造方法
JP5377452B2 (ja) * 2009-10-16 2013-12-25 日東電工株式会社 複合半透膜の製造方法
WO2014039575A1 (en) * 2012-09-06 2014-03-13 Hydration Systems, Llc Phase inversion membrane and method for manufacturing same using soluble fibers

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3276996A (en) * 1963-07-15 1966-10-04 Lazare Leon Separating water from saline solutions
US3692653A (en) * 1969-10-14 1972-09-19 Johnson & Johnson Shaped articles having enhanced surface bonding and adhesion properties and improved elongation characteristics
US3661735A (en) * 1969-10-14 1972-05-09 Johnson & Johnson Shaped articles having improved surface properties and corona discharge methods and apparatus for making the same
US3720321A (en) * 1970-03-11 1973-03-13 Research Corp Radiation crosslinked, swelled semipermeable membranes
US3846521A (en) * 1971-02-03 1974-11-05 Union Carbide Corp Low energy electron beam treatment of polymeric films, and apparatus therefore
US3864289A (en) * 1971-04-07 1975-02-04 Koratec Inc Preparation of cellulosic semi-permeable membranes
US3723289A (en) * 1971-08-12 1973-03-27 Celanese Corp Method and apparatus for plasma treatment of substrates
US3880966A (en) * 1971-09-23 1975-04-29 Celanese Corp Corona treated microporous film
US3775308A (en) * 1972-05-18 1973-11-27 Interior Method for preparation of composite semipermeable membrane
US3847652A (en) * 1972-12-08 1974-11-12 Nasa Method of preparing water purification membranes
NL174020C (nl) * 1973-09-07 1984-04-16 Sumitomo Chemical Co Werkwijze voor het vervaardigen van een membraan voor het scheiden van stoffen, en het vervaardigde membraan.

Also Published As

Publication number Publication date
DE2442209C2 (de) 1982-06-16
DK472474A (it) 1975-05-05
DK148785B (da) 1985-09-30
FR2243222A1 (it) 1975-04-04
DK148785C (da) 1986-03-10
US3992495A (en) 1976-11-16
DE2442209A1 (de) 1975-03-13
FR2243222B1 (it) 1977-10-28
NL174020B (nl) 1983-11-16
NL7411487A (nl) 1975-03-11
NL174020C (nl) 1984-04-16
GB1481228A (en) 1977-07-27
US4330406A (en) 1982-05-18

Similar Documents

Publication Publication Date Title
IT1019215B (it) Membrana semipermeabile utile in particolare per la separazione di sostanze e procedimento per la sua produzione
IT1014583B (it) Membrane asimmetriche di polimi di e procedimento per la loro preparazione
IT1078944B (it) Membrana di dialisi per emodialisi e procedimento per la sua produzione
IT987281B (it) Apparecchio per la coltura di cel lule su membrane semipermeabili tubolari
FR2283921A1 (fr) Procede de preparation de membranes pour la separation de substances
IT1013389B (it) Procedimento per la produzione di acciaio inossicabile
IT995150B (it) Processo per la separazione median te membrana di catalizzatori omogenei da soluzioni nitriliche
AU474000B2 (en) Hydrocarbon separation using semipermeable membranes
IT1032540B (it) Membrane ad levata diffusivita
IT994997B (it) Membrane semipermeabili
IT1066729B (it) Procedimento per la produzione di membrane per ultrafiltrazione contenenti centri attivi di reazione e prodotto ottenuto
IT1008170B (it) Polimero fotoreticolabile procedi mento per la sua produzione e com posizione fotosensibile contenente detto polimero utile in particolare per produrre immagini
IT1055704B (it) Membrane polimeriche permselettive di poliammidi o poliidrrazidi or ganiche
AU469067B2 (en) Apparatus for separating fluids into two fractions by means of semipermeable membranes
IT1066606B (it) Procedimento per la produzione di membrane per ultrafiltrazione accoppiate con enzima e membrana ottenuta
IT944704B (it) Procedimento con membrana liquida per la separazione di miscele acquose
AT352255B (de) Vorrichtung zur diffusion von substanzen zwischen zwei fluida via semipermeable membranen
CA1002885A (en) Apparatus for separating fluids into two fractions by means of semipermeable membranes
IT1013176B (it) Membrana di estere cellulosico fosforilato per la separazione o la concentrazione di sostanze e procedimento di produzione
AU493762B2 (en) Semipermeable membrane separation apparatus
IT7948386A0 (it) Procedimento per il trattamento di membrane semipermeabili e prodotto ottenuto
IT980717B (it) Dipeptide e procedimento per la sua produzione
IT1024925B (it) Procedimento per la produzione di acciato inossidabile
CH527630A (de) Heterogene semipermeable Kunststoffmembran zur Trennung von Flüssigkeits- oder Gasgemischen
IT996602B (it) Membrana per ultrafiltrazione e procedimento per la sua prepara zione