IE45467B1 - Semipermeable membranes and method for producing same - Google Patents

Semipermeable membranes and method for producing same

Info

Publication number
IE45467B1
IE45467B1 IE1714/77A IE171477A IE45467B1 IE 45467 B1 IE45467 B1 IE 45467B1 IE 1714/77 A IE1714/77 A IE 1714/77A IE 171477 A IE171477 A IE 171477A IE 45467 B1 IE45467 B1 IE 45467B1
Authority
IE
Ireland
Prior art keywords
membrane
semipermeable membrane
semipermeable
porous layer
liquid
Prior art date
Application number
IE1714/77A
Other languages
English (en)
Other versions
IE45467L (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
Publication of IE45467L publication Critical patent/IE45467L/xx
Publication of IE45467B1 publication Critical patent/IE45467B1/en

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)
IE1714/77A 1976-09-03 1977-08-16 Semipermeable membranes and method for producing same IE45467B1 (en)

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 (2)

Publication Number Publication Date
IE45467L IE45467L (en) 1978-03-03
IE45467B1 true IE45467B1 (en) 1982-09-08

Family

ID=14412987

Family Applications (1)

Application Number Title Priority Date Filing Date
IE1714/77A IE45467B1 (en) 1976-09-03 1977-08-16 Semipermeable membranes and method for producing same

Country Status (6)

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

Families Citing this family (11)

* 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
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
DE60328487D1 (de) * 2002-05-17 2009-09-03 Millipore Corp Verfahren zur herstellung einer asymmetrischen membran mit hohem durchsatz
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 (enExample) * 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 (enExample) * 1968-09-30 1972-03-15
US3709774A (en) * 1970-05-13 1973-01-09 Gen Electric Preparation of asymmetric polymer membranes
FR2138333B1 (enExample) * 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
FR2363350A1 (fr) 1978-03-31
DE2739118A1 (de) 1978-03-09
IT1085160B (it) 1985-05-28
DE2739118B2 (de) 1980-04-24
GB1565113A (en) 1980-04-16
FR2363350B1 (enExample) 1980-02-08
IE45467L (en) 1978-03-03
DE2739118C3 (de) 1984-09-20
JPS5330989A (en) 1978-03-23
JPS6029282B2 (ja) 1985-07-10

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Legal Events

Date Code Title Description
MM4A Patent lapsed
NE4A Application for restoration sect. 37 patents act 1992
NF4A Order made for restoration sect. 37 patents act 1992

Free format text: 19960715

MK9A Patent expired