IT1085160B - Membrane semipermeabili e procedimento per la loro produzione - Google Patents

Membrane semipermeabili e procedimento per la loro produzione

Info

Publication number
IT1085160B
IT1085160B IT27045/77A IT2704577A IT1085160B IT 1085160 B IT1085160 B IT 1085160B IT 27045/77 A IT27045/77 A IT 27045/77A IT 2704577 A IT2704577 A IT 2704577A IT 1085160 B IT1085160 B IT 1085160B
Authority
IT
Italy
Prior art keywords
semi
procedure
production
permeable membranes
membranes
Prior art date
Application number
IT27045/77A
Other languages
English (en)
Original Assignee
Asahi Chemical Ind
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 Asahi Chemical Ind filed Critical Asahi Chemical Ind
Application granted granted Critical
Publication of IT1085160B publication Critical patent/IT1085160B/it

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/02Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002Organic membrane manufacture
    • B01D67/0009Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
    • B01D67/0011Casting solutions therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002Organic membrane manufacture
    • B01D67/0009Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
    • B01D67/0016Coagulation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002Organic membrane manufacture
    • B01D67/0023Organic membrane manufacture by inducing porosity into non porous precursor membranes
    • B01D67/003Organic membrane manufacture by inducing porosity into non porous precursor membranes by selective elimination of components, e.g. by leaching
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/04Tubular membranes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/08Hollow fibre membranes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Dispersion Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
IT27045/77A 1976-09-03 1977-08-29 Membrane semipermeabili e procedimento per la loro produzione IT1085160B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51105638A JPS6029282B2 (ja) 1976-09-03 1976-09-03 半透膜及びその製造方法

Publications (1)

Publication Number Publication Date
IT1085160B true IT1085160B (it) 1985-05-28

Family

ID=14412987

Family Applications (1)

Application Number Title Priority Date Filing Date
IT27045/77A IT1085160B (it) 1976-09-03 1977-08-29 Membrane semipermeabili e procedimento per la loro produzione

Country Status (6)

Country Link
JP (1) JPS6029282B2 (it)
DE (1) DE2739118C3 (it)
FR (1) FR2363350A1 (it)
GB (1) GB1565113A (it)
IE (1) IE45467B1 (it)
IT (1) IT1085160B (it)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS546916A (en) * 1977-06-20 1979-01-19 Asahi Chem Ind Co Ltd Hollow cellulose fibers and their production
NZ188666A (en) * 1977-10-21 1980-12-19 Unisearch Ltd Anisotropic synthetic membrane
JPS5596162A (en) * 1979-01-18 1980-07-22 Asahi Medical Co Polycarbonate hollow fiber dialysis film and its preparation
JPS5735905A (ja) * 1980-08-13 1982-02-26 Asahi Chem Ind Co Ltd Tosekyomakuoyobisonoseizohoho
JPS5891822A (ja) * 1981-11-27 1983-05-31 Kuraray Co Ltd ポリスルホン中空繊維膜の製造法
JPH0517664Y2 (it) * 1984-11-09 1993-05-12
JPS61118665A (ja) * 1984-11-14 1986-06-05 Kawasaki Heavy Ind Ltd 砂などの流れ検出装置
US4808315A (en) * 1986-04-28 1989-02-28 Asahi Kasei Kogyo Kabushiki Kaisha Porous hollow fiber membrane and a method for the removal of a virus by using the same
US5679042A (en) * 1996-04-25 1997-10-21 Kimberly-Clark Worldwide, Inc. Nonwoven fabric having a pore size gradient and method of making same
JP4689790B2 (ja) * 2000-05-02 2011-05-25 ポール・コーポレーション アニオンコポリマーブレンドの内部親水性膜
ES2326799T3 (es) * 2002-05-17 2009-10-20 Millipore Corporation Metodo para producir una membrana asimetrica de alta produccion.
US20140339165A1 (en) * 2013-05-14 2014-11-20 Pall Corporation High throughput membrane with rough surface

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE336521A (it) * 1925-09-17
GB1132594A (en) * 1964-08-13 1968-11-06 Porous Plastics Ltd Improvements relating to artificial leather
US3423491A (en) * 1964-09-02 1969-01-21 Dow Chemical Co Permselective hollow fibers and method of making
GB1267167A (it) * 1968-09-30 1972-03-15
US3709774A (en) * 1970-05-13 1973-01-09 Gen Electric Preparation of asymmetric polymer membranes
FR2138333B1 (it) * 1971-05-24 1974-03-08 Rhone Poulenc Sa
US3864418A (en) * 1973-03-12 1975-02-04 Standard Oil Co Process of separating complexable materials employing semipermeable polymer film

Also Published As

Publication number Publication date
IE45467B1 (en) 1982-09-08
DE2739118A1 (de) 1978-03-09
JPS5330989A (en) 1978-03-23
FR2363350A1 (fr) 1978-03-31
DE2739118C3 (de) 1984-09-20
GB1565113A (en) 1980-04-16
IE45467L (en) 1978-03-03
FR2363350B1 (it) 1980-02-08
DE2739118B2 (de) 1980-04-24
JPS6029282B2 (ja) 1985-07-10

Similar Documents

Publication Publication Date Title
IT1062302B (it) Procedimento per la produzione di membrane semipermeabili
IT1067339B (it) Membrane composite semipermeabili
IT1079471B (it) Procedimento per la preparazione di membrane semipermeabili e prodotto ottenuto
FR2324338A1 (fr) Membrane semi-permeable et son procede de fabrication
NO772074L (no) Dialysemembran for hemodialyse
DK409478A (da) Semipermeable membraner
DK490876A (da) Semipermeabel membran samt fremgangsmade til fremstilling deraf
AT367649B (de) Semipermeable membranen
IT1124738B (it) Membrane semipermeabili costituite da copoliammidi e procedimento per la loro preparazione
IT7949805A0 (it) Procedimento per la produzione di membrane con superficie porosa eprodotto ottenuto
JPS5351185A (en) Manufacture of selective permeation membranes
IT1068436B (it) Procedimento per produrre membrane atte alla separazione osmotica
IT994997B (it) Membrane semipermeabili
IT1085160B (it) Membrane semipermeabili e procedimento per la loro produzione
SE7714150L (sv) Semipermeabelt membran samt forfarande for tillverkning av detsamma
IT1123942B (it) Membrane semipermeabili di capoliamidi e procedimento per la loro preparazione
NL7903451A (nl) Ultrafiltratiemembranen en werkwijze ter vervaardiging daarvan.
DK148436C (da) Fibroest baerelag for semipermeable membraner
IT1066606B (it) Procedimento per la produzione di membrane per ultrafiltrazione accoppiate con enzima e membrana ottenuta
IT1071466B (it) Polimeri solforati per membrane
IT1030266B (it) Procedimento per la fabbricazione di membrane di policarbonato particolarmento utili per emodialisi
JPS5322876A (en) Method of decreasing solution concentration using reverse osmosis membrane
IT1170741B (it) Perfezionamento nelle membrane per plasmaferesi e procedimento per la loro produzione
JPS53122683A (en) Semipermeable membrane and manufacture thereof
IT1143711B (it) Membrane permselettive e processo per la loro preparazione