BE804765A - Procede de fabrication de dioxyde de silicium presentant un pouvoir d'epaississement et de transformation thixotropique tres prononce - Google Patents

Procede de fabrication de dioxyde de silicium presentant un pouvoir d'epaississement et de transformation thixotropique tres prononce

Info

Publication number
BE804765A
BE804765A BE135577A BE135577A BE804765A BE 804765 A BE804765 A BE 804765A BE 135577 A BE135577 A BE 135577A BE 135577 A BE135577 A BE 135577A BE 804765 A BE804765 A BE 804765A
Authority
BE
Belgium
Prior art keywords
proven
manufacturing process
silicon dioxide
transformation power
thixotropic thickening
Prior art date
Application number
BE135577A
Other languages
English (en)
French (fr)
Original Assignee
Lonza Ag
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 Lonza Ag filed Critical Lonza Ag
Publication of BE804765A publication Critical patent/BE804765A/xx

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J12/00Chemical processes in general for reacting gaseous media with gaseous media; Apparatus specially adapted therefor
    • B01J12/002Chemical processes in general for reacting gaseous media with gaseous media; Apparatus specially adapted therefor carried out in the plasma state
    • 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
    • C01B33/181Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by a dry process
    • C01B33/182Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by a dry process by reduction of a siliceous material, e.g. with a carbonaceous reducing agent and subsequent oxidation of the silicon monoxide formed
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00Crystal-structural characteristics
    • C01P2002/80Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70
    • C01P2002/82Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70 by IR- or Raman-data
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/12Surface area
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/22Rheological behaviour as dispersion, e.g. viscosity, sedimentation stability

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Silicon Compounds (AREA)
BE135577A 1972-09-15 1973-09-12 Procede de fabrication de dioxyde de silicium presentant un pouvoir d'epaississement et de transformation thixotropique tres prononce BE804765A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1352672A CH569670A5 (nl) 1972-09-15 1972-09-15

Publications (1)

Publication Number Publication Date
BE804765A true BE804765A (fr) 1974-01-02

Family

ID=4393185

Family Applications (1)

Application Number Title Priority Date Filing Date
BE135577A BE804765A (fr) 1972-09-15 1973-09-12 Procede de fabrication de dioxyde de silicium presentant un pouvoir d'epaississement et de transformation thixotropique tres prononce

Country Status (10)

Country Link
JP (1) JPS4969582A (nl)
BE (1) BE804765A (nl)
CA (1) CA999721A (nl)
CH (1) CH569670A5 (nl)
DE (1) DE2337495A1 (nl)
FR (1) FR2200197A1 (nl)
GB (1) GB1401408A (nl)
IT (1) IT999560B (nl)
NL (1) NL7312575A (nl)
SE (1) SE388189B (nl)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2904199A1 (de) * 1979-02-05 1980-08-07 Degussa Verfahren zur gelenkten herstellung von kieselsaeure mittels flammenhydrolyse

Also Published As

Publication number Publication date
CH569670A5 (nl) 1975-11-28
FR2200197A1 (nl) 1974-04-19
CA999721A (en) 1976-11-16
SE388189B (sv) 1976-09-27
GB1401408A (en) 1975-07-16
IT999560B (it) 1976-03-10
JPS4969582A (nl) 1974-07-05
NL7312575A (nl) 1974-03-19
DE2337495A1 (de) 1974-03-28

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