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DK0591353T3 - Fremgangsmåde til overtrækning af silicapartikler - Google Patents

Fremgangsmåde til overtrækning af silicapartikler

Info

Publication number
DK0591353T3
DK0591353T3 DK92913661.2T DK92913661T DK0591353T3 DK 0591353 T3 DK0591353 T3 DK 0591353T3 DK 92913661 T DK92913661 T DK 92913661T DK 0591353 T3 DK0591353 T3 DK 0591353T3
Authority
DK
Denmark
Prior art keywords
silica particles
metal
coating silica
surface layer
microspheres
Prior art date
Application number
DK92913661.2T
Other languages
Danish (da)
English (en)
Inventor
Timothy Joseph Barder
Philip David Dubois
Original Assignee
Allied Signal Inc
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 Allied Signal Inc filed Critical Allied Signal Inc
Application granted granted Critical
Publication of DK0591353T3 publication Critical patent/DK0591353T3/da

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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/03—Precipitation; Co-precipitation
    • B01J37/031—Precipitation
    • B01J37/033—Using Hydrolysis
    • 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
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • B01J21/08—Silica
    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/10—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of rare earths
    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/24—Chromium, molybdenum or tungsten
    • B01J23/26—Chromium
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/40—Catalysts, in general, characterised by their form or physical properties characterised by dimensions, e.g. grain size
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/40—Catalysts, in general, characterised by their form or physical properties characterised by dimensions, e.g. grain size
    • B01J35/45—Nanoparticles
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
    • B01J35/51—Spheres
    • 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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/0215—Coating
    • B01J37/0221—Coating of particles
    • 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
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991—Coated
    • Y10T428/2993—Silicic or refractory material containing [e.g., tungsten oxide, glass, cement, etc.]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Silicon Compounds (AREA)
  • Catalysts (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
DK92913661.2T 1991-06-21 1992-05-18 Fremgangsmåde til overtrækning af silicapartikler DK0591353T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/718,682 US5196267A (en) 1991-06-21 1991-06-21 Process for coating silica spheres

Publications (1)

Publication Number Publication Date
DK0591353T3 true DK0591353T3 (da) 1995-11-13

Family

ID=24887061

Family Applications (1)

Application Number Title Priority Date Filing Date
DK92913661.2T DK0591353T3 (da) 1991-06-21 1992-05-18 Fremgangsmåde til overtrækning af silicapartikler

Country Status (10)

Country Link
US (1) US5196267A (fr)
EP (1) EP0591353B1 (fr)
JP (1) JP2509798B2 (fr)
AT (1) ATE124885T1 (fr)
CA (1) CA2111076A1 (fr)
DE (1) DE69203455T2 (fr)
DK (1) DK0591353T3 (fr)
ES (1) ES2074890T3 (fr)
GR (1) GR3017496T3 (fr)
WO (1) WO1993000167A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5501875A (en) * 1994-12-27 1996-03-26 Dow Corning Corporation Metal coated silica precursor powders
GB9702171D0 (en) * 1997-01-30 1997-03-26 Martinswerk Gmbh Aluminium hydroxide composite glass microspheres
US6277489B1 (en) 1998-12-04 2001-08-21 The Regents Of The University Of California Support for high performance affinity chromatography and other uses
FR2791580B1 (fr) * 1999-04-02 2001-05-04 Centre Nat Rech Scient Procede pour l'enrobage de particules
WO2001017667A1 (fr) * 1999-09-09 2001-03-15 Eichrom Technologies, Inc. Procede d'obtention de particules d'oxyde metallique
US20030039755A1 (en) * 2001-08-17 2003-02-27 Olga Spaldon-Stewart Coating method for improving oxidation and corrosion resistance of stainless steels
US7108914B2 (en) * 2002-07-15 2006-09-19 Motorola, Inc. Self-healing polymer compositions
JP4440114B2 (ja) * 2002-12-18 2010-03-24 エボニック デグサ ゲーエムベーハー テクスチャー被覆シリカ
US20060099130A1 (en) * 2004-11-08 2006-05-11 Rolando Roque-Malherbe Silica mesoporous materials
WO2016088812A1 (fr) * 2014-12-04 2016-06-09 積水化学工業株式会社 Particules de silicone, agent d'étanchéité pour procédés de dépôt en gouttes de cristaux liquides et élément d'affichage à cristaux liquides
WO2025182883A1 (fr) * 2024-02-28 2025-09-04 Ａｇｃ株式会社 Poudre de particules de silice sphériques, et procédé de fabrication de celle-ci

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE601451C (de) * 1925-07-28 1934-08-25 I G Farbenindustrie Akt Ges Verfahren zur Herstellung von aktiven, insbesondere katalytisch wirkenden Massen
US1985343A (en) * 1931-07-20 1934-12-25 Chester F Hockley Process of producing catalytic masses
GB1170622A (en) * 1967-01-10 1969-11-12 British Petroleum Co Improvements relating to the preparation of Catalysts
US4113658A (en) * 1967-04-14 1978-09-12 Stamicarbon, N.V. Process for homogeneous deposition precipitation of metal compounds on support or carrier materials
US3864142A (en) * 1971-04-26 1975-02-04 Nalco Chemical Co Metal oxide sols
DE2548523C2 (de) * 1975-10-30 1977-09-22 Basf Ag, 6700 Ludwigshafen Verfahren zur Herstellung elektrolytstabiler kationisch modifizierter Kieselsäuresole
JPS58110414A (ja) * 1981-12-23 1983-07-01 Tokuyama Soda Co Ltd 無機酸化物及びその製造方法
DE3616133A1 (de) * 1985-09-25 1987-11-19 Merck Patent Gmbh Kugelfoermige sio(pfeil abwaerts)2(pfeil abwaerts)-partikel
JPS62171914A (ja) * 1986-01-25 1987-07-28 Agency Of Ind Science & Technol 微小球シリカの製造方法
JPH0640958B2 (ja) * 1987-09-25 1994-06-01 日揮株式会社 白金族金属担持シリカ触媒の製造方法
JPS6485141A (en) * 1987-09-26 1989-03-30 Jgc Corp Manufacture of catalyst with surface layer of noble metal carried by silica
US4983369A (en) * 1989-11-22 1991-01-08 Allied-Signal Inc. Process for forming highly uniform silica spheres

Also Published As

Publication number Publication date
CA2111076A1 (fr) 1993-01-07
DE69203455T2 (de) 1996-01-18
ATE124885T1 (de) 1995-07-15
EP0591353B1 (fr) 1995-07-12
ES2074890T3 (es) 1995-09-16
DE69203455D1 (de) 1995-08-17
US5196267A (en) 1993-03-23
EP0591353A1 (fr) 1994-04-13
JP2509798B2 (ja) 1996-06-26
JPH06503064A (ja) 1994-04-07
WO1993000167A1 (fr) 1993-01-07
GR3017496T3 (en) 1995-12-31

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