JPH0513688B2 - - Google Patents

Info

Publication number
JPH0513688B2
JPH0513688B2 JP59236179A JP23617984A JPH0513688B2 JP H0513688 B2 JPH0513688 B2 JP H0513688B2 JP 59236179 A JP59236179 A JP 59236179A JP 23617984 A JP23617984 A JP 23617984A JP H0513688 B2 JPH0513688 B2 JP H0513688B2
Authority
JP
Japan
Prior art keywords
polyolefin
membrane
flat
flat membrane
producing
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.)
Expired - Lifetime
Application number
JP59236179A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61114701A (ja
Inventor
Yukio Kyota
Masato Emi
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.)
Terumo Corp
Original Assignee
Terumo Corp
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 Terumo Corp filed Critical Terumo Corp
Priority to JP59236179A priority Critical patent/JPS61114701A/ja
Priority to DE8585114179T priority patent/DE3569202D1/de
Priority to EP85114179A priority patent/EP0180987B1/en
Priority to CA000494894A priority patent/CA1264903A/en
Priority to AU49881/85A priority patent/AU575699B2/en
Publication of JPS61114701A publication Critical patent/JPS61114701A/ja
Priority to US07/085,317 priority patent/US4964991A/en
Priority to US07/557,461 priority patent/US5071554A/en
Publication of JPH0513688B2 publication Critical patent/JPH0513688B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/28—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
    • 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
    • B01D67/0002—Organic membrane manufacture
    • B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
    • B01D67/003—Organic membrane manufacture by inducing porosity into non porous precursor membranes by selective elimination of components, e.g. by leaching
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/06—Flat membranes
    • 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
    • B01D71/26—Polyalkenes
    • B01D71/261—Polyethylene
    • 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
    • B01D71/26—Polyalkenes
    • B01D71/262—Polypropylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/15—Use of additives
    • B01D2323/21—Fillers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/02—Details relating to pores or porosity of the membranes
    • B01D2325/022—Asymmetric membranes
    • B01D2325/023—Dense layer within the membrane
    • 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
    • C08J2201/00—Foams characterised by the foaming process
    • C08J2201/04—Foams characterised by the foaming process characterised by the elimination of a liquid or solid component, e.g. precipitation, leaching out, evaporation
    • C08J2201/054—Precipitating the polymer by adding a non-solvent or a different solvent
    • C08J2201/0542—Precipitating the polymer by adding a non-solvent or a different solvent from an organic solvent-based polymer composition
    • C08J2201/0543—Precipitating the polymer by adding a non-solvent or a different solvent from an organic solvent-based polymer composition the non-solvent being organic
    • 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
    • C08J2201/00—Foams characterised by the foaming process
    • C08J2201/04—Foams characterised by the foaming process characterised by the elimination of a liquid or solid component, e.g. precipitation, leaching out, evaporation
    • C08J2201/054—Precipitating the polymer by adding a non-solvent or a different solvent
    • C08J2201/0545—Precipitating the polymer by adding a non-solvent or a different solvent from an aqueous solvent-based polymer composition
    • C08J2201/0546—Precipitating the polymer by adding a non-solvent or a different solvent from an aqueous solvent-based polymer composition the non-solvent being organic
    • 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
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • External Artificial Organs (AREA)
JP59236179A 1984-11-09 1984-11-09 平膜型透過性膜およびその製造方法 Granted JPS61114701A (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP59236179A JPS61114701A (ja) 1984-11-09 1984-11-09 平膜型透過性膜およびその製造方法
DE8585114179T DE3569202D1 (en) 1984-11-09 1985-11-07 Flat permeable membrane and method for manufacture thereof
EP85114179A EP0180987B1 (en) 1984-11-09 1985-11-07 Flat permeable membrane and method for manufacture thereof
CA000494894A CA1264903A (en) 1984-11-09 1985-11-08 Membrane made by extraction from solidified polymer- seed forming agent/filler/membrane
AU49881/85A AU575699B2 (en) 1984-11-09 1985-11-08 Flat permeable polyolefin membranes
US07/085,317 US4964991A (en) 1984-11-09 1987-08-12 Flat permeable membrane and for manufacture thereof
US07/557,461 US5071554A (en) 1984-11-09 1990-07-25 Flat permeable membrane and method for manufacture thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59236179A JPS61114701A (ja) 1984-11-09 1984-11-09 平膜型透過性膜およびその製造方法

Publications (2)

Publication Number Publication Date
JPS61114701A JPS61114701A (ja) 1986-06-02
JPH0513688B2 true JPH0513688B2 (en]) 1993-02-23

Family

ID=16996938

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59236179A Granted JPS61114701A (ja) 1984-11-09 1984-11-09 平膜型透過性膜およびその製造方法

Country Status (6)

Country Link
US (2) US4964991A (en])
EP (1) EP0180987B1 (en])
JP (1) JPS61114701A (en])
AU (1) AU575699B2 (en])
CA (1) CA1264903A (en])
DE (1) DE3569202D1 (en])

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4726989A (en) † 1986-12-11 1988-02-23 Minnesota Mining And Manufacturing Microporous materials incorporating a nucleating agent and methods for making same
KR940008074B1 (ko) * 1987-01-20 1994-09-01 데루모 가부시끼가이샤 폴리프로필렌 다공질막
DE4217245A1 (de) * 1992-05-25 1993-12-02 Degussa Verfahren zur Abtrennung katalysatorfreier Arbeitslösung aus dem Hydrierkreislauf des Anthrachionverfahrens zur Herstellung von Wasserstoffperoxid
DE69305120T2 (de) * 1992-07-22 1997-03-06 Mitsubishi Rayon Co Hydrophobe, poröse Membranen, Verfahren zu ihrer Herstellung und deren Verwendung
JPH06226057A (ja) * 1993-02-05 1994-08-16 Daicel Chem Ind Ltd 中空糸膜型エレメントおよび中空糸膜モジュール
US5792348A (en) * 1996-10-08 1998-08-11 Filtration Products Ltd. Steel reinforced filter press plates
CA2504603C (en) * 2002-11-19 2012-11-13 Sekisui Chemical Co., Ltd. Plasma or serum separation membrane and filter apparatus including the plasma or serum separation membrane
DE10348876B4 (de) * 2003-10-21 2014-04-03 Jnc Corporation Poröse Polyolefinmembran
JP2008062228A (ja) * 2006-08-10 2008-03-21 Kuraray Co Ltd 多孔膜の製造方法
EP2379209B1 (en) * 2008-12-31 2017-08-30 3M Innovative Properties Company Method of making porous membranes with multiple zones having different pore sizes
CN102416300B (zh) * 2010-09-28 2014-03-12 中国石油化工股份有限公司 一种聚丙烯平板分离膜的制备方法
CN103007773B (zh) * 2011-09-22 2015-05-13 中国石油化工股份有限公司 一种改进的聚丙烯平板分离膜的制备方法
CN104064706B (zh) * 2014-06-11 2017-01-11 青岛中科华联新材料股份有限公司 一种孔径和形貌均匀的锂离子电池隔膜的生产工艺
CN111346520A (zh) * 2019-09-09 2020-06-30 杭州科百特过滤器材有限公司 一种非对称聚烯烃脱气膜及其制备方法

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1515826A (fr) * 1963-08-07 1968-03-08 Grace W R & Co Séparateur pour batterie et procédé pour sa fabrication
GB1051320A (en) * 1964-01-13 1966-12-14 W.R. Grace & Co. Micro-porous polyethylene and a process for the manufacture thereof
US3401798A (en) * 1965-01-04 1968-09-17 Dorr Oliver Inc Cylindrically stacked and spirally configured semi-permeable membrane laminate apparatus
US3351495A (en) * 1966-11-22 1967-11-07 Grace W R & Co Battery separator
US3729332A (en) * 1970-04-06 1973-04-24 Gen Electric Microporous polyolefin ink-receptive paper and method
US3830733A (en) * 1972-03-09 1974-08-20 Union Carbide Corp Diffusion membranes of controlled permeability,apparatus and process
US3937758A (en) * 1973-03-26 1976-02-10 Dart Industries Inc. Process for the production of high impact compositions of polyethylene and polypropylene block copolymers
DE2625681C3 (de) * 1975-06-10 1986-05-28 Kuraray Co., Ltd., Kurashiki, Okayama Trennmembran aus einem Äthylen/Vinylalkohol-Copolymeren
JPS5832171B2 (ja) * 1976-06-24 1983-07-11 旭化成株式会社 多孔膜の製造方法
JPS5939460B2 (ja) * 1976-12-10 1984-09-22 日石三菱株式会社 多孔膜の製法
US4253900A (en) * 1977-02-28 1981-03-03 Allied Chemical Corporation Method of making novel two component bipolar ion exchange membranes
DE2722025A1 (de) * 1977-05-16 1978-11-30 Hoechst Ag Membraneinheit, vorrichtung mit membraneinheit und verfahren zur blutreinigung
JPS5560537A (en) * 1978-10-30 1980-05-07 Teijin Ltd Preparation of porous membrane
JPS56159128A (en) * 1980-05-15 1981-12-08 Asahi Chem Ind Co Ltd Thermoplastic resin porous film and production thereof
JPS5766114A (en) * 1980-10-14 1982-04-22 Mitsubishi Rayon Co Ltd Porous polyethylene hollow fiber and its production
DE3205289C2 (de) * 1982-02-15 1984-10-31 Akzo Gmbh, 5600 Wuppertal Verfahren zur Herstellung von porösen Körpern mit einstellbarem Gesamtporenvolumen, einstellbarer Porengröße und einstellbarer Porenwandung
US4438850A (en) * 1982-07-15 1984-03-27 Reynolds Metals Company Membrane closure structure
US4539256A (en) * 1982-09-09 1985-09-03 Minnesota Mining And Manufacturing Co. Microporous sheet material, method of making and articles made therewith
CA1226112A (en) * 1982-09-09 1987-09-01 Minnesota Mining And Manufacturing Company Microporous sheet material, method of making and articles made therewith
ZA837304B (en) * 1982-09-30 1985-05-29 Extracorporeal Med Spec Semipermeable membranes and method of making the same
US4490431A (en) * 1982-11-03 1984-12-25 Akzona Incorporated 0.1 Micron rated polypropylene membrane and method for its preparation
AU564106B2 (en) * 1983-05-09 1987-07-30 Memtec Limited Formation of porous membranes
AU551948B2 (en) * 1983-12-16 1986-05-15 Mitsui Toatsu Chemicals Inc. Producing porous film
JPS60142860A (ja) * 1983-12-29 1985-07-29 三菱レイヨン株式会社 ウイルスの除去方法
EP0183103B1 (en) * 1984-11-09 1988-08-03 TERUMO KABUSHIKI KAISHA trading as TERUMO CORPORATION Flat permeable membrane and method for manufacture thereof

Also Published As

Publication number Publication date
AU4988185A (en) 1986-05-15
EP0180987B1 (en) 1989-04-05
JPS61114701A (ja) 1986-06-02
US4964991A (en) 1990-10-23
EP0180987A2 (en) 1986-05-14
AU575699B2 (en) 1988-08-04
DE3569202D1 (en) 1989-05-11
EP0180987A3 (en) 1987-06-24
US5071554A (en) 1991-12-10
CA1264903A (en) 1990-01-30

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