DE3774323D1 - Mikroporoese membran und verfahren zu ihrer herstellung. - Google Patents

Mikroporoese membran und verfahren zu ihrer herstellung.

Info

Publication number
DE3774323D1
DE3774323D1 DE8787303699T DE3774323T DE3774323D1 DE 3774323 D1 DE3774323 D1 DE 3774323D1 DE 8787303699 T DE8787303699 T DE 8787303699T DE 3774323 T DE3774323 T DE 3774323T DE 3774323 D1 DE3774323 D1 DE 3774323D1
Authority
DE
Germany
Prior art keywords
production
microporous membrane
microporous
membrane
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 - Fee Related
Application number
DE8787303699T
Other languages
English (en)
Inventor
Irving B Joffee
Peter John Degen
Frederick Anthony Baltusis
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.)
Pall Corp
Original Assignee
Pall 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 Pall Corp filed Critical Pall Corp
Application granted granted Critical
Publication of DE3774323D1 publication Critical patent/DE3774323D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B01D67/0081—After-treatment of organic or inorganic membranes
    • B01D67/0093—Chemical modification
    • B01D67/00931—Chemical modification by introduction of specific groups after membrane formation, e.g. by grafting
    • 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
    • B01D67/0093—Chemical modification
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1607—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
    • B01D39/1623—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
    • 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
    • B01D71/30—Polyalkenyl halides
    • B01D71/32—Polyalkenyl halides containing fluorine atoms
    • B01D71/34—Polyvinylidene fluoride
    • 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
    • C08J7/16—Chemical modification with polymerisable compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/38—Graft polymerization
    • 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
    • C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
    • C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2327/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • C08J2327/16—Homopolymers or copolymers of vinylidene fluoride
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/3154—Of fluorinated addition polymer from unsaturated monomers
DE8787303699T 1986-05-01 1987-04-27 Mikroporoese membran und verfahren zu ihrer herstellung. Expired - Fee Related DE3774323D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/857,945 US4774132A (en) 1986-05-01 1986-05-01 Polyvinylidene difluoride structure

Publications (1)

Publication Number Publication Date
DE3774323D1 true DE3774323D1 (de) 1991-12-12

Family

ID=25327086

Family Applications (2)

Application Number Title Priority Date Filing Date
DE1987303699 Pending DE245000T1 (de) 1986-05-01 1987-04-27 Mikroporoese membran und verfahren zu ihrer herstellung.
DE8787303699T Expired - Fee Related DE3774323D1 (de) 1986-05-01 1987-04-27 Mikroporoese membran und verfahren zu ihrer herstellung.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE1987303699 Pending DE245000T1 (de) 1986-05-01 1987-04-27 Mikroporoese membran und verfahren zu ihrer herstellung.

Country Status (11)

Country Link
US (2) US4774132A (de)
EP (1) EP0245000B1 (de)
JP (1) JP2502309B2 (de)
KR (1) KR920001307B1 (de)
AU (1) AU596840B2 (de)
BR (1) BR8702172A (de)
CA (1) CA1302177C (de)
DE (2) DE245000T1 (de)
FI (1) FI871934A (de)
GB (1) GB2190039B (de)
ZA (1) ZA872846B (de)

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EP0156840A4 (de) * 1983-09-12 1987-07-08 Memtec Ltd Behandlung poröser membrane.
US4618533A (en) * 1984-11-30 1986-10-21 Millipore Corporation Porous membrane having hydrophilic surface and process

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Publication number Publication date
JPS62267340A (ja) 1987-11-20
EP0245000B1 (de) 1991-11-06
GB2190039B (en) 1989-11-29
US4855163A (en) 1989-08-08
AU596840B2 (en) 1990-05-17
FI871934A0 (fi) 1987-04-30
AU7188087A (en) 1987-11-05
FI871934A (fi) 1987-11-02
ZA872846B (en) 1988-01-27
GB8709930D0 (en) 1987-06-03
EP0245000A3 (en) 1988-08-10
GB2190039A (en) 1987-11-11
BR8702172A (pt) 1988-02-17
DE245000T1 (de) 1989-10-26
US4774132A (en) 1988-09-27
EP0245000A2 (de) 1987-11-11
KR870011176A (ko) 1987-12-21
KR920001307B1 (ko) 1992-02-10
CA1302177C (en) 1992-06-02
JP2502309B2 (ja) 1996-05-29

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