AU582435B2 - Non-adsorptive, semipermeable filtration membrane - Google Patents

Non-adsorptive, semipermeable filtration membrane

Info

Publication number
AU582435B2
AU582435B2 AU56740/86A AU5674086A AU582435B2 AU 582435 B2 AU582435 B2 AU 582435B2 AU 56740/86 A AU56740/86 A AU 56740/86A AU 5674086 A AU5674086 A AU 5674086A AU 582435 B2 AU582435 B2 AU 582435B2
Authority
AU
Australia
Prior art keywords
membrane
prepolymer
coagulating liquid
polymer
adsorptive
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.)
Ceased
Application number
AU56740/86A
Other languages
English (en)
Other versions
AU5674086A (en
Inventor
Karen E. Milligan
Marc E. Parham
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.)
WR Grace and Co Conn
Original Assignee
WR Grace and 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
Application filed by WR Grace and Co filed Critical WR Grace and Co
Publication of AU5674086A publication Critical patent/AU5674086A/en
Application granted granted Critical
Publication of AU582435B2 publication Critical patent/AU582435B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • B01D67/0002—Organic membrane manufacture
    • B01D67/0006—Organic membrane manufacture by chemical reactions
    • 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
    • B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
    • B01D67/0016—Coagulation
    • B01D67/00165—Composition of the coagulation baths
    • 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
    • B01D69/08—Hollow fibre 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
    • B01D71/54—Polyureas; Polyurethanes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04—Polyurethanes
    • C08L75/08—Polyurethanes from polyethers
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/12—Specific ratios of components used
    • 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
    • B01D2323/18—Pore-control agents or pore formers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/36—Hydrophilic membranes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
AU56740/86A 1985-04-29 1986-04-24 Non-adsorptive, semipermeable filtration membrane Ceased AU582435B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/728,008 US4787976A (en) 1985-04-29 1985-04-29 Non-adsorptive, semipermeable filtration membrane
US728008 1996-10-09

Publications (2)

Publication Number Publication Date
AU5674086A AU5674086A (en) 1986-11-06
AU582435B2 true AU582435B2 (en) 1989-03-23

Family

ID=24925054

Family Applications (1)

Application Number Title Priority Date Filing Date
AU56740/86A Ceased AU582435B2 (en) 1985-04-29 1986-04-24 Non-adsorptive, semipermeable filtration membrane

Country Status (11)

Country Link
US (1) US4787976A (enExample)
JP (1) JPS61249506A (enExample)
AU (1) AU582435B2 (enExample)
BE (1) BE904672A (enExample)
CA (1) CA1300836C (enExample)
CH (1) CH675214A5 (enExample)
DE (1) DE3611410C2 (enExample)
FR (1) FR2587232B1 (enExample)
GB (1) GB2174641B (enExample)
NL (1) NL191453C (enExample)
SE (1) SE464968B (enExample)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD258718A3 (de) * 1985-10-30 1988-08-03 Ve Kom Staerke Und Kartoffelve Verfahren zur gleichzeitigen gewinnung von weizenstaerke und weizenkleber
US4970034A (en) * 1988-09-23 1990-11-13 W. R. Grace & Co.-Conn. Process for preparing isotropic microporous polysulfone membranes
US5079272A (en) * 1989-11-30 1992-01-07 Millipore Corporation Porous membrane formed from interpenetrating polymer network having hydrophilic surface
US5092999A (en) * 1990-02-14 1992-03-03 Ultra Flo, Inc. Filtering means
US5651887A (en) * 1990-02-14 1997-07-29 Iraco Filtration Systems, Inc. Filtration system and mount for beverage dispensers and automatic beverage brewing machines
US5096585A (en) * 1991-01-28 1992-03-17 W. R. Grace & Co.-Conn. Process for preparing protein non-adsorptive microporous polysulfone membranes
US5151227A (en) * 1991-03-18 1992-09-29 W. R. Grace & Co.-Conn. Process for continuous spinning of hollow-fiber membranes using a solvent mixture as a precipitation medium
CA2083741A1 (en) * 1992-01-24 1993-07-25 James Anthony Braatz Protein nonadsorptive membranes for wound dressings
US5431817A (en) * 1993-09-13 1995-07-11 W. R. Grace & Co.-Conn. Bleach resistant polysulfone/polyurethane composite membranes
US5693694A (en) * 1996-03-20 1997-12-02 W.R. Grace & Co.-Conn. Low and medium flux membranes
US20040219281A1 (en) * 2000-11-21 2004-11-04 Cargill, Incorporated Modified oilseed material
US6630195B1 (en) 2000-11-21 2003-10-07 Cargill, Incorporated Process for producing oilseed protein products
CA2429711A1 (en) 2000-11-21 2002-12-19 Cargill, Inc. Modified oilseed material
US7429399B2 (en) * 2001-06-18 2008-09-30 Solae, Llc Modified oilseed material
US7354616B2 (en) * 2003-11-25 2008-04-08 Solae, Llc Modified oilseed material with a high gel strength
US20050220978A1 (en) * 2004-03-31 2005-10-06 Cargill, Incorporated Dispersible protein composition
US7584860B2 (en) * 2006-07-17 2009-09-08 General Electric Company Hydrophilic body and method of manufacture
JP5708684B2 (ja) * 2013-02-27 2015-04-30 Nok株式会社 中空糸状炭素膜の製造方法
GB201520466D0 (en) 2015-11-20 2016-01-06 Applied Biomimetic As Method of preparing membranes
CA3143973A1 (en) * 2019-06-24 2020-12-30 Lubrizol Advanced Materials, Inc. Hollow fiber membrane
WO2021001294A1 (en) 2019-07-03 2021-01-07 Basf Se Semi-permeable membrane with pores resulting from volatile substance

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4332686A (en) * 1979-05-04 1982-06-01 Akzo N.V. Linear polyurethane ultrafilter and processes for use thereof
US4575539A (en) * 1985-06-03 1986-03-11 E. R. Squibb & Sons, Inc. Drug delivery systems including novel interpenetrating polymer networks and method
US4613440A (en) * 1983-04-18 1986-09-23 Allied Corporation Composite membranes based on interpenetrating polymer networks

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3000757A (en) * 1957-01-28 1961-09-19 Du Pont Process for coating substrates with a vapor permeable polymeric coating
BE603821A (enExample) * 1960-05-16 1961-11-16
US3691068A (en) * 1971-01-08 1972-09-12 Amicon Corp Dialysis membrane and its use
US4137200A (en) * 1973-10-09 1979-01-30 W. R. Grace & Co. Crosslinked hydrophilic foams and method
US3939105A (en) * 1974-06-18 1976-02-17 Union Carbide Corporation Microporous polyurethane hydrogels, method and composites with natural and other synthetic fibers or films
JPS5856378B2 (ja) * 1976-09-08 1983-12-14 旭化成株式会社 アクリロニトリル系重合体乾燥膜およびその製造法
DD151874A1 (de) * 1980-07-03 1981-11-11 Klaus Deutsch Asymmetrische membranen auf basis hydrophiler polyurethane
DE3341847A1 (de) * 1983-11-19 1985-06-13 Akzo Gmbh, 5600 Wuppertal Membranen aus diisocyanat-additionspolymeren fuer haemodialyse und/oder haemofiltration
EP0178350B1 (en) * 1984-10-15 1989-05-10 Shell Internationale Researchmaatschappij B.V. Process for producing dense membranes

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4332686A (en) * 1979-05-04 1982-06-01 Akzo N.V. Linear polyurethane ultrafilter and processes for use thereof
US4613440A (en) * 1983-04-18 1986-09-23 Allied Corporation Composite membranes based on interpenetrating polymer networks
US4575539A (en) * 1985-06-03 1986-03-11 E. R. Squibb & Sons, Inc. Drug delivery systems including novel interpenetrating polymer networks and method

Also Published As

Publication number Publication date
US4787976A (en) 1988-11-29
AU5674086A (en) 1986-11-06
SE464968B (sv) 1991-07-08
FR2587232B1 (fr) 1989-07-21
BE904672A (fr) 1986-08-18
SE8601966L (sv) 1986-10-30
GB2174641A (en) 1986-11-12
GB8610339D0 (en) 1986-06-04
NL191453B (nl) 1995-03-16
CA1300836C (en) 1992-05-19
FR2587232A1 (fr) 1987-03-20
NL8600513A (nl) 1986-11-17
JPS61249506A (ja) 1986-11-06
DE3611410C2 (de) 1994-11-10
SE8601966D0 (sv) 1986-04-28
DE3611410A1 (de) 1986-10-30
GB2174641B (en) 1989-07-12
CH675214A5 (enExample) 1990-09-14
NL191453C (nl) 1995-07-18
JPH0571291B2 (enExample) 1993-10-06

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