DK0891946T3 - Fremgangsmåde til fremstilling af et silicapulver - Google Patents

Fremgangsmåde til fremstilling af et silicapulver

Info

Publication number
DK0891946T3
DK0891946T3 DK98401744T DK98401744T DK0891946T3 DK 0891946 T3 DK0891946 T3 DK 0891946T3 DK 98401744 T DK98401744 T DK 98401744T DK 98401744 T DK98401744 T DK 98401744T DK 0891946 T3 DK0891946 T3 DK 0891946T3
Authority
DK
Denmark
Prior art keywords
making
silica powder
silica
powder
Prior art date
Application number
DK98401744T
Other languages
English (en)
Inventor
Jean-Florent Campion
Jacques Goudeau
Jean-Francois Chariot
Christelle Lavallade
Original Assignee
Cit Alcatel
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 Cit Alcatel filed Critical Cit Alcatel
Application granted granted Critical
Publication of DK0891946T3 publication Critical patent/DK0891946T3/da

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00Silicon; Compounds thereof
    • C01B33/113Silicon oxides; Hydrates thereof
    • C01B33/12Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/18Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B19/00Other methods of shaping glass
    • C03B19/10Forming beads
    • C03B19/1005Forming solid beads
    • C03B19/106Forming solid beads by chemical vapour deposition; by liquid phase reaction
    • C03B19/1065Forming solid beads by chemical vapour deposition; by liquid phase reaction by liquid phase reactions, e.g. by means of a gel phase
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B19/00Other methods of shaping glass
    • C03B19/10Forming beads
    • C03B19/1095Thermal after-treatment of beads, e.g. tempering, crystallisation, annealing
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C1/00Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
    • C03C1/006Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels to produce glass through wet route
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/50Agglomerated particles
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/60Particles characterised by their size
    • C01P2004/61Micrometer sized, i.e. from 1-100 micrometer
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/10Solid density
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00Technologies relating to the processing of minerals
    • Y02P40/50Glass production, e.g. reusing waste heat during processing or shaping
    • Y02P40/57Improving the yield, e-g- reduction of reject rates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Silicon Compounds (AREA)
DK98401744T 1997-07-17 1998-07-09 Fremgangsmåde til fremstilling af et silicapulver DK0891946T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9709071A FR2766170B1 (fr) 1997-07-17 1997-07-17 Procede ameliore de fabrication d'une poudre de silice

Publications (1)

Publication Number Publication Date
DK0891946T3 true DK0891946T3 (da) 2001-06-18

Family

ID=9509311

Family Applications (1)

Application Number Title Priority Date Filing Date
DK98401744T DK0891946T3 (da) 1997-07-17 1998-07-09 Fremgangsmåde til fremstilling af et silicapulver

Country Status (5)

Country Link
US (1) US6071487A (da)
EP (1) EP0891946B1 (da)
DE (1) DE69800501T2 (da)
DK (1) DK0891946T3 (da)
FR (1) FR2766170B1 (da)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6193926B1 (en) * 1999-09-03 2001-02-27 Heraeus Amersil, Inc. Process for making molded glass and ceramic articles
DE19943103A1 (de) * 1999-09-09 2001-03-15 Wacker Chemie Gmbh Hochgefüllte SiO2-Dispersion, Verfahren zu ihrer Herstellung und Verwendung
CA2386897C (en) * 1999-10-21 2007-08-07 Aspen Systems, Inc. Rapid aerogel production process
DE19962451C1 (de) * 1999-12-22 2001-08-30 Heraeus Quarzglas Verfahren für die Herstellung von opakem Quarzglas und für die Durchführung des Verfahrens geeignetes Si0¶2¶-Granulat
US6386373B1 (en) * 2000-03-10 2002-05-14 Alcatel Process for making silica powder and use of such powder in the manufacture of an optical fiber preform
FR2825357B1 (fr) * 2001-05-31 2004-04-30 Cit Alcatel Procede de dopage de la silice par du fluor
US20030027055A1 (en) * 2001-08-01 2003-02-06 Ball Laura J. Method and feedstock for making photomask material
US20030027054A1 (en) * 2001-08-01 2003-02-06 Ball Laura J. Method for making photomask material by plasma induction
US7052541B2 (en) * 2002-06-19 2006-05-30 Board Of Regents, The University Of Texas System Color compositions
US9756798B2 (en) 2004-11-19 2017-09-12 Patti D. Rubin Burrow filling compressed growing medium
US20060107589A1 (en) 2004-11-19 2006-05-25 Rubin Patti D Compressed growing medium
US7425235B2 (en) * 2005-02-11 2008-09-16 The Board Of Regents Of The University Of Texas System Color compositions and methods of manufacture
KR20080047343A (ko) * 2005-06-17 2008-05-28 더 보드 오브 리전츠 오브 더 유니버시티 오브 텍사스 시스템 유기/무기 루이스산 복합 재료
US20090113791A1 (en) 2007-10-29 2009-05-07 Oms Investments, Inc. Compressed Coconut Coir Pith Granules and Methods for the Production and use Thereof

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3954431A (en) * 1974-09-26 1976-05-04 Bell Telephone Laboratories, Incorporated Optical glass and its production
US4042361A (en) * 1976-04-26 1977-08-16 Corning Glass Works Method of densifying metal oxides
US4200445A (en) * 1977-04-28 1980-04-29 Corning Glass Works Method of densifying metal oxides
US4810415A (en) * 1985-09-24 1989-03-07 Dresser Industries, Inc. Process for manufacturing ultra pure silica and resulting encapsulated products
US4872895A (en) * 1986-12-11 1989-10-10 American Telephone And Telegraph Company, At&T Bell Laboratories Method for fabricating articles which include high silica glass bodies
US4767429A (en) * 1986-12-11 1988-08-30 American Telephone & Telegraph Co., At&T Bell Laboratories Glass body formed from a vapor-derived gel and process for producing same
EP0360479B1 (en) * 1988-09-21 1992-02-26 AT&T Corp. Method of producing a glass body
US5063179A (en) * 1990-03-02 1991-11-05 Cabot Corporation Process for making non-porous micron-sized high purity silica
FR2693451B1 (fr) * 1992-07-07 1994-08-19 Alcatel Nv Procédé de fabrication d'une poudre de silice et application d'une telle poudre à la réalisation d'une préforme pour fibre optique.
US5888587A (en) * 1992-07-07 1999-03-30 Alcatel N.V. Method of manufacturing silica powder and use of such powder in making an optical fiber preform

Also Published As

Publication number Publication date
FR2766170B1 (fr) 1999-09-24
DE69800501D1 (de) 2001-03-01
US6071487A (en) 2000-06-06
EP0891946B1 (fr) 2001-01-24
FR2766170A1 (fr) 1999-01-22
EP0891946A1 (fr) 1999-01-20
DE69800501T2 (de) 2001-09-06

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