HK136794A - Composition chromatographic article - Google Patents

Composition chromatographic article

Info

Publication number
HK136794A
HK136794A HK136794A HK136794A HK136794A HK 136794 A HK136794 A HK 136794A HK 136794 A HK136794 A HK 136794A HK 136794 A HK136794 A HK 136794A HK 136794 A HK136794 A HK 136794A
Authority
HK
Hong Kong
Prior art keywords
particles
chromatographic
swellable
ptfe
particulate
Prior art date
Application number
HK136794A
Other languages
German (de)
English (en)
Inventor
F. Hagen Donald
Steven J. St. Mary
A. Errede Louis
W. Carr Peter
Original Assignee
Minnesota Mining And Manufacturing Company
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 Company filed Critical Minnesota Mining And Manufacturing Company
Publication of HK136794A publication Critical patent/HK136794A/en

Links

Classifications

    • 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
    • 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
    • Y10S435/00—Chemistry: molecular biology and microbiology
    • Y10S435/803—Physical recovery methods, e.g. chromatography, grinding
    • 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.]
    • Y10T428/249954—With chemically effective material or specified gas other than air, N, or carbon dioxide in void-containing component
    • 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.]
    • Y10T428/249986—Void-containing component contains also a solid fiber or solid particle

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Claims (11)

  1. Article composite pour chromatographie, comprenant :
    (a) une matrice formée de fibrilles de polytétrafluoréthylène, et
    (b) des particules sorbantes, non gonflables, emmêlées dans cette matrice, le rapport des particules sorbantes non gonflables au polytétrafluoréthylène étant de l'ordre de 19/1 à 4/1 en poids,
    cet article composite ayant une énergie superficielle nette de l'ordre de 20 à 300 milliNewtons par mètre.
  2. Article chromatographique suivant la revendication 1, caractérisé en ce que les particules non gonflables susdites sont des particules d'oxydes inorganiques, des particules de composés organiques, notamment de polymères, et des particules d'échange d'ions.
  3. Article chromatographique suivant l'une ou l'autre des revendications 1 et 2, caractérisé en ce que les particules non gonflables précitées sont constituées par au moins l'un des oxydes formés par la silice et la zircone.
  4. Article chromatographique suivant la revendication 1, caractérisé en ce que les particules non gonflables susdites sont faites d'hydroxylapatite.
  5. Article chromatographique suivant l'une quelconque des revendications 1 à 4, caractérisé en ce que les particules comportent en outre une couche d'un revêtement organique lié par covalence, ou un revêtement d'un polymère non gonflable.
  6. Article chromatographique suivant l'une quelconque des revendications 1 à 5, qui a été soumis à un traitement par faisceau électronique.
  7. Article chromatographique suivant l'une quelconque des revendications 1 à 6, caractérisé en ce que la matrice précitée comprend en outre au moins l'un des produits suivants : (1) une quantité de l'ordre de plus de 0 et allant jusqu'à 28,99 parties, par partie de PTFE, de particules non gonflables, modifiant les propriétés, et (2) des particules gonflables dans l'eau, modifiant les propriétés, en une quantité allant jusqu'à 30 % en poids du total des particules.
  8. Article chromatographique suivant la revendication 7, caractérisé en ce que les particules non gonflables, modifiant les propriétés, sont choisies dans le groupe comprenant : carbonate de calcium, carbonate d'ammonium, kaolin, sucre, polyéthylènes, polypropylènes, polyesters, polyamides, polyuréthannes, polycarbonates, zéolites, chitosan, perles de verre, vermiculite, argile, céramiques, particules colorantes et fluorescentes, modificateurs du pH, et particules enrobées de ces substances, et les particules gonflables dans l'eau précitées, modifiant les propriétés, sont choisies dans le groupe comprenant : amidon, amidons modifiés, agarose, polyacrylamides, particules d'échange d'ions ou de chélation, matières cellulosiques, polyméthacrylates, copolymères de styrène et de divinylbenzène, et chitosan.
  9. Article chromatographique suivant l'une quelconque des revendications 1 à 8, caractérisé en ce qu'il comprend en outre un substrat.
  10. Article chromatographique suivant l'une quelconque des revendications 1 à 9, qui est sous la forme d'une bande, d'une feuille ou d'un disque.
  11. Procédé de séparation chromatographique, comprenant les phases suivantes :
    (a) le dépôt d'une solution contenant des composants séparables suivant une configuration circulaire continue ou en taches sur un article en forme de feuille chromatographique rotatif suivant l'une quelconque des revendications 1 à 10, pour former une zone continue ou en taches, circulaire, de la solution déposée,
    (b) l'application d'un solvant sur l'article en forme de feuille chromatographique susdit, tout juste à l'intérieur de la zone circulaire précitée, tandis que cet article est mis en rotation continue, pour provoquer une migration différentielle des composants précités et leur séparation, et
    (c) éventuellement, la récolte individuelle de ces composants séparés résultants.
HK136794A 1987-12-28 1994-12-01 Composition chromatographic article HK136794A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/137,811 US4810381A (en) 1987-12-28 1987-12-28 Composite chromatographic article

Publications (1)

Publication Number Publication Date
HK136794A true HK136794A (en) 1994-12-09

Family

ID=22479139

Family Applications (1)

Application Number Title Priority Date Filing Date
HK136794A HK136794A (en) 1987-12-28 1994-12-01 Composition chromatographic article

Country Status (8)

Country Link
US (1) US4810381A (fr)
EP (1) EP0323055B1 (fr)
JP (1) JPH0731172B2 (fr)
KR (1) KR970007075B1 (fr)
CA (1) CA1330073C (fr)
DE (1) DE3873899T2 (fr)
ES (1) ES2034268T3 (fr)
HK (1) HK136794A (fr)

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Also Published As

Publication number Publication date
EP0323055B1 (fr) 1992-08-19
CA1330073C (fr) 1994-06-07
EP0323055A3 (en) 1989-08-02
KR890009596A (ko) 1989-08-02
JPH01209363A (ja) 1989-08-23
US4810381A (en) 1989-03-07
DE3873899T2 (de) 1993-02-25
JPH0731172B2 (ja) 1995-04-10
DE3873899D1 (de) 1992-09-24
ES2034268T3 (es) 1993-04-01
KR970007075B1 (ko) 1997-05-02
EP0323055A2 (fr) 1989-07-05

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