DE69100213D1 - Kompositartikel aus polytetrafluorethylen mit kontrollierten poren und dessen herstellungsmethode. - Google Patents

Kompositartikel aus polytetrafluorethylen mit kontrollierten poren und dessen herstellungsmethode.

Info

Publication number
DE69100213D1
DE69100213D1 DE9191301387T DE69100213T DE69100213D1 DE 69100213 D1 DE69100213 D1 DE 69100213D1 DE 9191301387 T DE9191301387 T DE 9191301387T DE 69100213 T DE69100213 T DE 69100213T DE 69100213 D1 DE69100213 D1 DE 69100213D1
Authority
DE
Germany
Prior art keywords
polytetrafluorethylene
production method
items made
composite items
controlled pores
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
DE9191301387T
Other languages
English (en)
Other versions
DE69100213T2 (de
Inventor
Donald F Hagen
Craig G Markell
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing 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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Publication of DE69100213D1 publication Critical patent/DE69100213D1/de
Application granted granted Critical
Publication of DE69100213T2 publication Critical patent/DE69100213T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28054—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J20/28069—Pore volume, e.g. total pore volume, mesopore volume, micropore volume
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
    • B01D15/08—Selective adsorption, e.g. chromatography
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
    • B01J20/28028—Particles immobilised within fibres or filaments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
    • B01J20/28033—Membrane, sheet, cloth, pad, lamellar or mat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28054—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J20/28078—Pore diameter
    • B01J20/28085—Pore diameter being more than 50 nm, i.e. macropores
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
    • B01D15/08—Selective adsorption, e.g. chromatography
    • B01D15/26—Selective adsorption, e.g. chromatography characterised by the separation mechanism
    • B01D15/32—Bonded phase chromatography
    • B01D15/322—Normal bonded phase
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
    • B01D15/08—Selective adsorption, e.g. chromatography
    • B01D15/26—Selective adsorption, e.g. chromatography characterised by the separation mechanism
    • B01D15/32—Bonded phase chromatography
    • B01D15/325—Reversed phase
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02—Column chromatography
    • G01N30/50—Conditioning of the sorbent material or stationary liquid
    • G01N30/52—Physical parameters
    • G01N2030/524—Physical parameters structural properties
    • G01N2030/528—Monolithic sorbent material
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/47—Processes of splitting film, webs or sheets
DE91301387T 1990-02-23 1991-02-21 Kompositartikel aus Polytetrafluorethylen mit kontrollierten Poren und dessen Herstellungsmethode. Expired - Fee Related DE69100213T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US48418490A 1990-02-23 1990-02-23
US07/639,515 US5071610A (en) 1990-02-23 1991-01-10 Method of making a controlled pore composite polytetrafluoroethylene

Publications (2)

Publication Number Publication Date
DE69100213D1 true DE69100213D1 (de) 1993-09-09
DE69100213T2 DE69100213T2 (de) 1994-02-10

Family

ID=27047905

Family Applications (1)

Application Number Title Priority Date Filing Date
DE91301387T Expired - Fee Related DE69100213T2 (de) 1990-02-23 1991-02-21 Kompositartikel aus Polytetrafluorethylen mit kontrollierten Poren und dessen Herstellungsmethode.

Country Status (14)

Country Link
US (1) US5071610A (de)
EP (1) EP0443853B1 (de)
JP (1) JP2716879B2 (de)
KR (1) KR910021429A (de)
CN (1) CN1054256A (de)
AU (1) AU636703B2 (de)
BR (1) BR9100726A (de)
CA (1) CA2035295A1 (de)
CS (1) CS44691A2 (de)
DE (1) DE69100213T2 (de)
DK (1) DK0443853T3 (de)
ES (1) ES2043431T3 (de)
HU (1) HUT60311A (de)
MX (1) MX166623B (de)

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US5328758A (en) * 1991-10-11 1994-07-12 Minnesota Mining And Manufacturing Company Particle-loaded nonwoven fibrous article for separations and purifications
US5328756A (en) * 1992-01-31 1994-07-12 Minnesota Mining And Manufacturing Company Temperature sensitive circuit breaking element
US5209967A (en) * 1992-01-31 1993-05-11 Minnesota Mining And Manufacturing Company Pressure sensitive membrane and method therefor
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US5338448A (en) * 1992-10-16 1994-08-16 Sarasep, Inc. Method of preventing contamination of a chromatography column
US5383573A (en) * 1992-11-04 1995-01-24 Minnesota Mining And Manufacturing Company Separation-science membrane dispenser
US5340746A (en) * 1993-01-08 1994-08-23 Minnesota Mining And Manufacturing Company Composite reactive articles for the determination of cyanide
US5354603A (en) * 1993-01-15 1994-10-11 Minnesota Mining And Manufacturing Company Antifouling/anticorrosive composite marine structure
US5453235A (en) * 1993-01-29 1995-09-26 Impra, Inc. Method of forming dual porosity FTFE tubes by extrusion of concentric preforms
US5391298B1 (en) * 1993-03-05 1997-10-28 Minnesota Mining & Mfg Method for performing a solid-phase extraction under pressurized conditions
US5403489A (en) * 1993-06-24 1995-04-04 Minnesota Mining And Manufacturing Company Solid phase extraction method and apparatus
CA2137970A1 (en) * 1994-01-10 1995-07-11 Lloyd R. White Cartridge sorption device
US6207251B1 (en) 1994-01-10 2001-03-27 Minnesota Mining And Manufacturing Company Reinforced particle-loaded fibrillated PTFE web
US5582892A (en) * 1994-04-08 1996-12-10 Minnesota Mining And Manufacturing Company Dimensionally stable particle-loaded PTFE web
US5476665A (en) * 1994-04-13 1995-12-19 Minnesota Mining And Manufacturing Company Azlactone functional particles incorporated in a membrane formed by solvent phase inversion
DE69504327T2 (de) * 1994-05-05 1999-04-29 Minnesota Mining & Mfg Chemisch modifizierte festphase-extraktionspartikel und diese enthaltende artikel
US5492627A (en) * 1994-06-29 1996-02-20 Minnesota Mining And Manufacturing Company Method for separating mercury from fluids using composite articles
US5529686A (en) * 1994-07-15 1996-06-25 Minnesota Mining And Manufacturing Company Composite membranes for solid phase extractions and reactions
AU3999995A (en) * 1994-11-10 1996-06-06 Minnesota Mining And Manufacturing Company Solid phase extraction using composite sheet for direct measurement of radioactivity
US5833860A (en) * 1995-08-28 1998-11-10 Millipore Investment Holdings Limited Centrifugal adsorptive sample preparation device and method
US5700375A (en) * 1996-04-29 1997-12-23 Minnesota Mining And Manufacturing Company Particle loaded membranes as oxidant scavengers
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US5911883A (en) * 1996-10-04 1999-06-15 Minnesota Mining And Manufacturing Company Flow-by solid phase extraction method
AU2209197A (en) * 1996-11-13 1998-06-03 Minnesota Mining And Manufacturing Company Storage and delivery of pressurized gases in microbubbles
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US6099734A (en) * 1998-07-08 2000-08-08 Baxter International Inc. Apparatus, membranes and methods for removing organic compounds from a biological fluid
US6908553B1 (en) * 1998-07-08 2005-06-21 Baxter International Inc. Composite membrane with particulate matter substantially immobilized therein
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US6383783B1 (en) 1999-09-21 2002-05-07 3M Innovative Properties Company Nucleic acid isolation by adhering to hydrophobic solid phase and removing with nonionic surfactant
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US7771818B2 (en) * 2002-09-20 2010-08-10 Bha Group, Inc. Treatment of porous article
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US20060147712A1 (en) * 2003-07-09 2006-07-06 Maxwell Technologies, Inc. Dry particle based adhesive electrode and methods of making same
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US7300801B2 (en) * 2003-09-12 2007-11-27 3M Innovative Properties Company Welded sample preparation articles and methods
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Also Published As

Publication number Publication date
EP0443853A2 (de) 1991-08-28
AU7028291A (en) 1991-08-29
EP0443853A3 (en) 1991-10-23
EP0443853B1 (de) 1993-08-04
HUT60311A (en) 1992-08-28
HU910295D0 (en) 1991-08-28
CN1054256A (zh) 1991-09-04
BR9100726A (pt) 1991-10-29
AU636703B2 (en) 1993-05-06
MX166623B (es) 1993-01-22
DK0443853T3 (da) 1993-11-22
US5071610A (en) 1991-12-10
KR910021429A (ko) 1991-12-20
DE69100213T2 (de) 1994-02-10
JP2716879B2 (ja) 1998-02-18
JPH0623266A (ja) 1994-02-01
CS44691A2 (en) 1991-09-15
CA2035295A1 (en) 1991-08-24
ES2043431T3 (es) 1993-12-16

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