KR910021429A - 조절된 다공도의 복합체 폴리테트라플루오로에틸렌 제품 및 조절방법 - Google Patents

조절된 다공도의 복합체 폴리테트라플루오로에틸렌 제품 및 조절방법 Download PDF

Info

Publication number
KR910021429A
KR910021429A KR1019910002939A KR910002939A KR910021429A KR 910021429 A KR910021429 A KR 910021429A KR 1019910002939 A KR1019910002939 A KR 1019910002939A KR 910002939 A KR910002939 A KR 910002939A KR 910021429 A KR910021429 A KR 910021429A
Authority
KR
South Korea
Prior art keywords
particles
ptfe
parts
lubricant
adsorbent
Prior art date
Application number
KR1019910002939A
Other languages
English (en)
Inventor
프레데릭 하겐 도널드
제라드 마켈 크레이그
빅터 발시모 윌리암
앤쏘니 에레드 루이스
Original Assignee
게리 리 그리스월드
미네소타 마이닝 앤드 매뉴팩츄어링 캄파니
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 게리 리 그리스월드, 미네소타 마이닝 앤드 매뉴팩츄어링 캄파니 filed Critical 게리 리 그리스월드
Publication of KR910021429A publication Critical patent/KR910021429A/ko

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Nanotechnology (AREA)
  • Mechanical Engineering (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Artificial Filaments (AREA)

Abstract

내용 없음

Description

조절된 다공도의 복합체 폴리테트라플루오로에틸렌 제품 및 조절방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 화합적으로 및/또는 물리적으로 활성이고 흡착성인 비-팽윤성 입자가 포획된 PTFE피브릴의 매트릭스를 가진, 본 발명에 따르는 복합체 제품의 현미경 사진(100배확대)이다, 제2도는 본 발명의 복합체 시이트의 공극 트기에 대한 공극의 수%를 나타내는 플로트(plot)이다, 제3도는 배합물중에 윤활제의 양을 조절함으로써 제조한 본 발명의 일련의 복합체 제품의 공극크기에 대한 공극의 누적%를 나타내는 플로트이다.

Claims (32)

  1. (a)불용성 비-팽윤성 흡착성 입자 및 폴리테트라플루오로 에틸렌(PTFE)을 포함하는 블랜드와 윤활제를 혼합하여 부드러운 반죽형 덩어리를 형성시키는 단계(이때, 상기 윤활제는 상기 입자의 흡착성을 최소한 3중량%초과하는 양으로 존재하고, 상기 덩어리는 접착성 점조도를 가지며, 상기 불용성 입자 대 PTFE의 비율은 40 :1 내지 1 : 4 범위이다); (b) 상기 PTFE 입자의 초기 피브릴화를 일으키기에 충분한 온도에서 그러한 시간 동안 상기 덩어리를 세게 혼합하는 단계; 및 (c) 상기 PTFE입자의 추가의 피브릴화를 일으킬 정도의 온도로 유지된 캘린더링 롤(calendering roll)들의 갭(gap)사이에서 그러한 시간동안 상기 덩어리를 이축 캘린더링시키면서 각각 연속적인 캘린더링 조작으로 캘린더링 롤들 사이의 갭을 폐쇄시켜 자가-지지되는 내인열성 시이트를 형성하는 단계를 포함하는, 복합체 시이트의 다공도 및 평균 공극 크기를 조절하는 방법.
  2. 제1항에 있어서, 생성된 시이트로부터 윤활제를 제거하여, 상기 흡착성 입자가 포획된 피브릴 메트릭스를 형성하는 인터레이스된(inreraced)PTFE미세섬유망을 포함하는 복합체 시이트를 제공하는 단계를 추가로 포함하는 방법.
  3. 제1항에 있어서, 상기 윤활제가 물, 수-계 용매 또는 유기 용매인 방법.
  4. 제1항에 있어서, 상기 윤활제가 입자의 윤활제흡착능을 3 내지 200중량% 범위의 양만큼 초과하는 방법.
  5. 제1항에 있어서, 상기 입자가 탄소, 유기 화합물, 중합체, 무기 산화물 또는 이온 교환 또는 킬레이트화 입자 방법.
  6. 제1항에 있어서, 상기 흡착성 입자가 실리카, 알루미나, 티타니아, 지르코니아, 및 이들의 배합물로 이루어진 그룹중에서 선택된 방법.
  7. 제1항에 있어서, 상기 입자가 불용성 흡착성 피막을 가진 지지체를 포함하는 방법.
  8. 제1항에 있어서, 상기 블렌드가 추가로 PTFE의 부에 대해 0 내지 28.99부의 비-팽윤성 특성 조절제를 포함하되, 단 총 입자가 PTFE의 1부에 대해 입자 29부를 초과하지 않는 방법.
  9. 제1항에 있어서, 상기 윤활제가 물, 수-계 용매 또는 유기 용매인 방법.
  10. 제1항에 있어서, 상기 윤활제가 입자의 윤활제흡착능을 3 내지 200중량% 범위의 양만큼 초과하는 방법.
  11. 제1항에 있어서, 상기 입자가 탄소, 유기 화합물, 중합체, 무기 산화물 또는 이온 교환 또는 킬레이트화 입자 방법.
  12. 제1항에 있어서, 상기 흡착성 입자가 실리카, 알루미나, 티타니아, 지르코니아, 및 이들의 배합물로 이루어진 그룹중에서 선택된 방법.
  13. 제1항에 있어서, 상기 입자가 불용성 흡착성 피막을 가진 지지체를 포함하는 방법.
  14. 제1항에 있어서, 상기 블렌드가 추가로 PTFE의 부에 대해 0 내지 28.99부의 비-팽윤성 특성 조절제를 포함하되, 단 총 입자가 PTFE의 1부에 대해 입자 29부를 초과하지 않는 방법.
  15. 제1항에 있어서, 상기 윤활제가 입자의 윤활제흡착능을 3 내지 200중량% 범위의 양만큼 초과하는 방법.
  16. 제1항에 있어서, 상기 입자가 탄소, 유기 화합물, 중합체, 무기 산화물 또는 이온 교환 또는 킬레이트화 입자 방법.
  17. 제1항에 있어서, 상기 흡착성 입자가 실리카, 알루미나, 티타니아, 지르코니아, 및 이들의 배합물로 이루어진 그룹중에서 선택된 방법.
  18. 제1항에 있어서, 상기 입자가 불용성 흡착성 피막을 가진 지지체를 포함하는 방법.
  19. 제1항에 있어서, 상기 블렌드가 추가로 PTFE의 부에 대해 0 내지 28.99부의 비-팽윤성 특성 조절제를 포함하되, 단 총 입자가 PTFE의 1부에 대해 입자 29부를 초과하지 않는 방법.
  20. 제1항에 있어서, 상기 입자가 탄소, 유기 화합물, 중합체, 무기 산화물 또는 이온 교환 또는 킬레이트화 입자 방법.
  21. 제1항에 있어서, 상기 흡착성 입자가 실리카, 알루미나, 티타니아, 지르코니아, 및 이들의 배합물로 이루어진 그룹중에서 선택된 방법.
  22. 제1항에 있어서, 상기 입자가 불용성 흡착성 피막을 가진 지지체를 포함하는 방법.
  23. 제1항에 있어서, 상기 블렌드가 추가로 PTFE의 부에 대해 0 내지 28.99부의 비-팽윤성 특성 조절제를 포함하되, 단 총 입자가 PTFE의 1부에 대해 입자 29부를 초과하지 않는 방법.
  24. 제1항에 있어서, 상기 흡착성 입자가 실리카, 알루미나, 티타니아, 지르코니아, 및 이들의 배합물로 이루어진 그룹중에서 선택된 방법.
  25. 제1항에 있어서, 상기 입자가 불용성 흡착성 피막을 가진 지지체를 포함하는 방법.
  26. 제1항에 있어서, 상기 블렌드가 추가로 PTFE의 부에 대해 0 내지 28.99부의 비-팽윤성 특성 조절제를 포함하되, 단 총 입자가 PTFE의 1부에 대해 입자 29부를 초과하지 않는 방법.
  27. 제1항에 있어서, 상기 입자가 불용성 흡착성 피막을 가진 지지체를 포함하는 방법.
  28. 제1항에 있어서, 상기 블렌드가 추가로 PTFE의 부에 대해 0 내지 28.99부의 비-팽윤성 특성 조절제를 포함하되, 단 총 입자가 PTFE의 1부에 대해 입자 29부를 초과하지 않는 방법.
  29. 제1항에 있어서, 상기 블렌드가 추가로 PTFE의 부에 대해 0 내지 28.99부의 비-팽윤성 특성 조절제를 포함하되, 단 총 입자가 PTFE의 1부에 대해 입자 29부를 초과하지 않는 방법.
  30. (a) 폴리테트라플루오로에틸렌(PTFE)피브릴 매트릭스, 및 (b)상기 매트릭스에 포획된 불용성 비-팽윤성 흡착성 입자를 상기 비-팽윤성 입자 대 PTFE비율 40:1 내지 1:4범위 (중량에 의함)로 포함하는, 공극율 30내지 80%범위의 다공도 및 0.3 내지 5.0μm범위의 평균 공극 크기를 가진 제2항의 방법에 따라 제조된 크로마토그래피용 복합체 제품.
  31. 제9항에 있어서, PTFE의 부에 대해 0 내지 28.99부 범위의 특성 조절제를 추가로 포함하는 복합체 제품.
  32. 제9항에 있어서, 추출 용도, 분리 용도, 진단 용도 또는 환경적 온도로 유용한 복합체 제품.
    ※ 참고사항 : 최초출원 내용에 의하여 공개되는 것임.
KR1019910002939A 1990-02-23 1991-02-22 조절된 다공도의 복합체 폴리테트라플루오로에틸렌 제품 및 조절방법 KR910021429A (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US48418490A 1990-02-23 1990-02-23
US07/484,184 1990-02-23
US07/639515 1991-01-10
US07/639,515 US5071610A (en) 1990-02-23 1991-01-10 Method of making a controlled pore composite polytetrafluoroethylene

Publications (1)

Publication Number Publication Date
KR910021429A true KR910021429A (ko) 1991-12-20

Family

ID=27047905

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910002939A KR910021429A (ko) 1990-02-23 1991-02-22 조절된 다공도의 복합체 폴리테트라플루오로에틸렌 제품 및 조절방법

Country Status (14)

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

Families Citing this family (88)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5217666A (en) * 1991-05-29 1993-06-08 Daikin Industries Ltd. Process for producing porous polytetrafluoroethylene film
US5248428A (en) * 1991-06-28 1993-09-28 Minnesota Mining And Manufacturing Company Article for separations and purifications and method of controlling porosity therein
US5238621A (en) * 1991-06-28 1993-08-24 Minnesota Mining And Manufacturing Company Method of controlling porosity in a composite article
US5328758A (en) * 1991-10-11 1994-07-12 Minnesota Mining And Manufacturing Company Particle-loaded nonwoven fibrous article for separations and purifications
US5993935A (en) * 1991-10-11 1999-11-30 3M Innovative Properties Company Covalently reactive particles incorporated in a continous porous matrix
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
DE69325649T2 (de) * 1992-03-13 1999-11-18 Atrium Medical Corp., Hollis Gegenstände aus expandiertem fluorpolymer (z. b. polytetrafluorethylen) mit komtrolliert eingestellter porosität, sowie seine herstellung
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
JP3899380B2 (ja) * 1994-05-05 2007-03-28 スリーエム カンパニー 化学変性した固相抽出粒子およびそれを含む製品
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
DE69505692T2 (de) * 1994-11-10 1999-07-22 Minnesota Mining And Mfg. Co., Saint Paul, Minn. Festphaseextraktion durch verwendung einer verbundfolie für direktes messen der radioaktivität
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
US5830923A (en) * 1996-05-22 1998-11-03 E. I. Du Pont De Nemours And Company Foamed fluoropolymer
JP2000515968A (ja) 1996-07-12 2000-11-28 アイビーシー・アドヴァンスト・テクノロジーズ・インコーポレーテッド イオンの比色定量方法
US5911883A (en) * 1996-10-04 1999-06-15 Minnesota Mining And Manufacturing Company Flow-by solid phase extraction method
KR100544835B1 (ko) * 1996-11-13 2006-01-24 미네소타 마이닝 앤드 매뉴팩춰링 캄파니 미세 기포내의 가압 가스의 저장 및 운송을 위한 물품 및 방법
US5928811A (en) * 1997-04-11 1999-07-27 Amtek Research International Llc Gas recombinant battery separator
US6036945A (en) 1997-04-11 2000-03-14 Shamrock Technologies, Inc. Delivery systems for active ingredients including sunscreen actives and methods of making same
US6139749A (en) * 1997-11-20 2000-10-31 3M Innovative Properties Company Method for radioactive species analysis using a self-scintillating sheet material
US6908553B1 (en) 1998-07-08 2005-06-21 Baxter International Inc. Composite membrane with particulate matter substantially immobilized therein
US6099734A (en) * 1998-07-08 2000-08-08 Baxter International Inc. Apparatus, membranes and methods for removing organic compounds from a biological fluid
EP1115483B1 (en) 1998-09-14 2003-11-26 3M Innovative Properties Company Extraction articles and methods
US6083439A (en) * 1998-09-25 2000-07-04 Auergesellschaft Gmbh Polymer-bonded material
US6436294B2 (en) 1998-11-24 2002-08-20 3M Innovative Properties Company Process for modifying the metal ion sorption capacity of a medium
GB9920170D0 (en) * 1999-08-25 1999-10-27 Univ Portsmouth A passive sampling device
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
US6631074B2 (en) 2000-05-12 2003-10-07 Maxwell Technologies, Inc. Electrochemical double layer capacitor having carbon powder electrodes
US6627252B1 (en) 2000-05-12 2003-09-30 Maxwell Electronic Components, Inc. Electrochemical double layer capacitor having carbon powder electrodes
US6643119B2 (en) 2001-11-02 2003-11-04 Maxwell Technologies, Inc. Electrochemical double layer capacitor having carbon powder electrodes
WO2003100954A2 (en) * 2002-05-24 2003-12-04 Amtek Research International Llc Microporous, mixed polymer phase membrane
US7077891B2 (en) * 2002-08-13 2006-07-18 Air Products And Chemicals, Inc. Adsorbent sheet material for parallel passage contactors
US7771818B2 (en) * 2002-09-20 2010-08-10 Bha Group, Inc. Treatment of porous article
US7201841B2 (en) 2003-02-05 2007-04-10 Water Visions International, Inc. Composite materials for fluid treatment
US20060147712A1 (en) * 2003-07-09 2006-07-06 Maxwell Technologies, Inc. Dry particle based adhesive electrode and methods of making same
US7352558B2 (en) 2003-07-09 2008-04-01 Maxwell Technologies, Inc. Dry particle based capacitor and methods of making same
US20070122698A1 (en) * 2004-04-02 2007-05-31 Maxwell Technologies, Inc. Dry-particle based adhesive and dry film and methods of making same
US7791860B2 (en) 2003-07-09 2010-09-07 Maxwell Technologies, Inc. Particle based electrodes and methods of making same
US7300801B2 (en) * 2003-09-12 2007-11-27 3M Innovative Properties Company Welded sample preparation articles and methods
US7920371B2 (en) * 2003-09-12 2011-04-05 Maxwell Technologies, Inc. Electrical energy storage devices with separator between electrodes and methods for fabricating the devices
US7410458B2 (en) * 2003-11-12 2008-08-12 Isoray Medical, Inc. Brachytherapy implant seeds
US20050130177A1 (en) 2003-12-12 2005-06-16 3M Innovative Properties Company Variable valve apparatus and methods
US7727710B2 (en) 2003-12-24 2010-06-01 3M Innovative Properties Company Materials, methods, and kits for reducing nonspecific binding of molecules to a surface
US7939249B2 (en) 2003-12-24 2011-05-10 3M Innovative Properties Company Methods for nucleic acid isolation and kits using a microfluidic device and concentration step
CN101137422A (zh) * 2004-01-20 2008-03-05 多孔渗透电力技术公司 高微孔聚合物及其制备和使用方法
US7090946B2 (en) 2004-02-19 2006-08-15 Maxwell Technologies, Inc. Composite electrode and method for fabricating same
US8636919B1 (en) 2004-03-26 2014-01-28 Kenneth D. Hughes Reactive solutions
US7383946B2 (en) 2004-03-26 2008-06-10 Hughes Kenneth D Materials for storing and releasing reactive gases
WO2006012153A1 (en) * 2004-06-28 2006-02-02 Isoray Medical, Inc. Method of separating and purifying cesium-131 from barium nitrate
US7517508B2 (en) * 2004-07-26 2009-04-14 Isoray Medical, Inc. Method of separating and purifying Yttrium-90 from Strontium-90
EA009820B1 (ru) * 2004-07-28 2008-04-28 Айсорей Медикал, Инк. Способ отделения и очистки цезия-131 от карбоната бария
US7316644B2 (en) * 2004-08-18 2008-01-08 Isoray Medical, Inc. Method for preparing particles of radioactive powder containing Cesium-131 for use in brachytherapy sources
JP4791049B2 (ja) * 2005-02-16 2011-10-12 ニチアス株式会社 エアフィルタ用シート及びその製造方法並びにエアフィルタ
US7440258B2 (en) * 2005-03-14 2008-10-21 Maxwell Technologies, Inc. Thermal interconnects for coupling energy storage devices
JP4646301B2 (ja) * 2005-06-10 2011-03-09 旭化成ケミカルズ株式会社 多孔性成形体およびその製造方法
US7510691B2 (en) * 2006-02-28 2009-03-31 Isoray Medical, Inc. Method for improving the recovery of cesium-131 from barium carbonate
WO2007104354A1 (en) * 2006-03-13 2007-09-20 Agilent Technologies, Inc Elastic porous column material
US8129517B1 (en) 2006-05-23 2012-03-06 Integrated Dna Technologies, Inc. Labeled solid supports for organic synthesis
EP1916522A1 (en) * 2006-10-25 2008-04-30 Agilent Technologies, Inc. Column having separated sections of stationary phase
WO2012078374A2 (en) * 2010-12-06 2012-06-14 3M Innovative Properties Company Microorganism concentration process and device
BR112013012967B1 (pt) * 2010-12-06 2021-03-02 3M Innovative Properties Company processo de concentração, dispositivo de concentração adaptado para ligar ou capturar pelo menos um analito celular alvo, kit e processo para a preparação de um dispositivo de concentração adaptado para ligar ou capturar pelo menos um analito celular alvo
EP2532421A1 (de) * 2011-06-10 2012-12-12 Süd-Chemie AG Verbundmaterial aus fluorhaltigem Polymer, hydrophoben Zeolith-Partikeln und metallischem Werkstoff
EP2532411A1 (de) 2011-06-10 2012-12-12 Süd-Chemie AG Druckwechseladsorptionsverfahren
CN102358046A (zh) * 2011-08-18 2012-02-22 宁波昌祺氟塑料制品有限公司 一种聚四氟乙烯膜的生产工艺
TWI543811B (zh) * 2012-04-20 2016-08-01 大金工業股份有限公司 以聚四氟乙烯(ptfe)為主成分之組合物、混合粉末、成形用材料及過濾用濾材、空氣過濾單元與多孔膜之製造方法
CN103219086A (zh) * 2012-08-02 2013-07-24 上海市凌桥环保设备厂有限公司 通信电缆用聚四氟乙烯微孔膜
EP2719445A1 (en) * 2012-10-09 2014-04-16 Clariant International Ltd. Process for concentrating small organic molecules from liquid or gaseous mixtures using a composite membrane comprising a fluoropolymer and hydrophobic siliceous particles
US9236620B2 (en) 2012-11-05 2016-01-12 Battelle Memorial Institute Composite separators and redox flow batteries based on porous separators
GB2551310B8 (en) 2016-05-24 2020-01-22 Thomas Billet Colin A gas treatment element and a method of forming a gas treatment element
CN111357061B (zh) 2017-11-16 2022-04-12 3M创新有限公司 包含介电粒子的聚合物基质复合材料及其制备方法
US11745167B2 (en) 2017-11-16 2023-09-05 3M Innovative Properties Company Polymer matrix composites comprising functional particles and methods of making the same
CN111364253B (zh) * 2020-03-16 2021-03-09 中国科学院兰州化学物理研究所 一种自润滑衬垫织物及其制备方法、一种自润滑衬垫复合材料
EP4301510A1 (en) * 2021-03-05 2024-01-10 W. L. Gore & Associates, Inc. Polymer composite article having retained solids and methods of formation
CN115401932A (zh) * 2022-09-15 2022-11-29 成都希瑞方晓科技有限公司 一种聚四氟乙烯密封材料及其制备方法
US20240181439A1 (en) * 2022-12-02 2024-06-06 Donaldson Company, Inc. Porous substrates comprising ptfe compositions
US20240181433A1 (en) * 2022-12-02 2024-06-06 Donaldson Company, Inc. Ptfe and active particle compositions

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL233523A (ko) * 1957-12-10 1900-01-01
US3315020A (en) * 1962-03-21 1967-04-18 Gore & Ass Process for preparing biaxially fibrillated sheets
GB1049328A (en) * 1962-07-13 1966-11-23 Du Pont Porous structures of polytetrafluoroethylene resins
US3383092A (en) * 1963-09-06 1968-05-14 Garrett Corp Gas turbine with pulsating gas flows
US3281511A (en) * 1964-05-15 1966-10-25 Gen Plastics Corp Method of preparing microporous tetrafluoroethylene resin sheets
US3407096A (en) * 1966-01-25 1968-10-22 American Cyanamid Co Fuel cell and method for preparing the electrodes
US3533930A (en) * 1966-11-21 1970-10-13 Gen Electric Modified crosslinked polyoxymethylenes and their preparation
US4194040A (en) * 1969-04-23 1980-03-18 Joseph A. Teti, Jr. Article of fibrillated polytetrafluoroethylene containing high volumes of particulate material and methods of making and using same
CA980038A (en) * 1969-04-23 1975-12-16 Dexter Worden Flexible, non-woven compositions and process for producing same
US4153661A (en) * 1977-08-25 1979-05-08 Minnesota Mining And Manufacturing Company Method of making polytetrafluoroethylene composite sheet
US4460642A (en) * 1981-06-26 1984-07-17 Minnesota Mining And Manufacturing Company Water-swellable composite sheet of microfibers of PTFE and hydrophilic absorptive particles
US4373519A (en) * 1981-06-26 1983-02-15 Minnesota Mining And Manufacturing Company Composite wound dressing
US4565663A (en) * 1981-06-26 1986-01-21 Minnesota Mining And Manufacturing Company Method for making water-swellable composite sheet
US4722898A (en) * 1985-04-29 1988-02-02 Minnesota Mining And Manufacturing Company Immobilization of biological cells in polytetrafluoroethylene matrix
US4871671A (en) * 1985-04-29 1989-10-03 Minnesota Mining And Manufacturing Company Immobilization of biological cells in polytetrafluoroethylene matrix
US4863604A (en) * 1987-02-05 1989-09-05 Parker-Hannifin Corporation Microporous asymmetric polyfluorocarbon membranes
US4906378A (en) * 1987-12-28 1990-03-06 Minnesota Mining And Manufacturing Company Composite chromatographic article
US4971736A (en) * 1987-12-28 1990-11-20 Minnesota Mining And Manufacturing Company Method of preparing composite chromatographic article
US4810381A (en) * 1987-12-28 1989-03-07 Minnesota Mining And Manufacturing Company Composite chromatographic article
US4882113A (en) * 1989-01-26 1989-11-21 Baxter International Inc. Heterogeneous elastomeric compositions containing a fluoroelastomer and PTFE and methods for manufacturing said compositions
US4971697A (en) * 1989-02-23 1990-11-20 Minnesota Mining And Manufacturing Company Thin silica flakes and method of making

Also Published As

Publication number Publication date
US5071610A (en) 1991-12-10
JPH0623266A (ja) 1994-02-01
AU7028291A (en) 1991-08-29
EP0443853A3 (en) 1991-10-23
HU910295D0 (en) 1991-08-28
BR9100726A (pt) 1991-10-29
DK0443853T3 (da) 1993-11-22
HUT60311A (en) 1992-08-28
DE69100213T2 (de) 1994-02-10
MX166623B (es) 1993-01-22
CA2035295A1 (en) 1991-08-24
AU636703B2 (en) 1993-05-06
ES2043431T3 (es) 1993-12-16
CS44691A2 (en) 1991-09-15
EP0443853B1 (en) 1993-08-04
DE69100213D1 (de) 1993-09-09
EP0443853A2 (en) 1991-08-28
JP2716879B2 (ja) 1998-02-18
CN1054256A (zh) 1991-09-04

Similar Documents

Publication Publication Date Title
KR910021429A (ko) 조절된 다공도의 복합체 폴리테트라플루오로에틸렌 제품 및 조절방법
DE69609971T2 (de) Kontrollierung der porosität und permeation einer bahn
KR100198010B1 (ko) 고체 상 추출 매체
KR100227582B1 (ko) 환경 정화재
US5194414A (en) Method of manufacturing a gas absorbing element or a catalyst carrier having a honeycomb structure
DE69609331T2 (de) Verstärktes, mit teilchen beladenes, fibrilliertes ptfe-gewebe
EP1468732A3 (de) Adsorptionsfiltermaterial mit hoher Adsorptionskapazität und geringem Durchbruchverhalten
US5147539A (en) Controlled pore composite polytetrafluoroethylene article
KR960702382A (ko) 랜덤하게 배향된 탄소 피브릴의 3차원 가시(可視) 어셈블리지(assemblages) 및 그를 함유하는 복합체(THREE DIMENSIONAL MACROSCOPIC ASSEMBLAGES OF RANDOMLY ORIENTED CARBON FIBRILS AND COMPOSITES CONTAINING SAME)
US3085126A (en) Method of producing a battery separator and product thereof
CA2222955A1 (en) Porous composite
GB1002225A (en) Cellular polymeric sheet material and method of making same
US5207915A (en) Separation method using controlled pore composite polytetrafluoroethylene article
KR910021545A (ko) 슬라이딩 부재 및 그의 제조방법
CA2237715A1 (en) Coextruded blocks and applications therefor
KR970011178A (ko) 산화티탄 함유지, 골판지 및 탈취 엘리먼트
CA2129070A1 (en) Composite Surgical Material
GB2099872A (en) Filter for gas or liquid separation and method of producing the same
KR890016112A (ko) 염화비닐리덴수지(pvdc)와 폴리아미드 수지로 구성된 수지 조성물 및 그의 성형 제품
DE4020427A1 (de) Anpassungsfaehiges filtersystem
EP4212799A1 (de) Katalytische ausrüstungen von adsorptionsmitteln
DD248508A1 (de) Duftstoffspender
JP3643920B2 (ja) 板状活性炭の製造方法
Wang et al. A ternary system oleophilic–hydrophobic membrane prepared by electrospinning for efficient gravity-driven oil–water separation
DE1295179B (de) Verfahren zum Herstellen von Formgegenstaenden aus fluorhaltigen Polymeren

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E601 Decision to refuse application