ATE330906T1 - Verfahren zur erhöhung der partikelgrösse einer kolloidaler kieselsäure - Google Patents

Verfahren zur erhöhung der partikelgrösse einer kolloidaler kieselsäure

Info

Publication number
ATE330906T1
ATE330906T1 AT02016521T AT02016521T ATE330906T1 AT E330906 T1 ATE330906 T1 AT E330906T1 AT 02016521 T AT02016521 T AT 02016521T AT 02016521 T AT02016521 T AT 02016521T AT E330906 T1 ATE330906 T1 AT E330906T1
Authority
AT
Austria
Prior art keywords
increasing
particle size
silicic acid
colloidal silicic
sio2
Prior art date
Application number
AT02016521T
Other languages
English (en)
Inventor
Cavus Falamaki Dr
Squar Africa
Original Assignee
Materials And Energy Res Ct
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 Materials And Energy Res Ct filed Critical Materials And Energy Res Ct
Application granted granted Critical
Publication of ATE330906T1 publication Critical patent/ATE330906T1/de

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
    • B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
    • B01J13/0004—Preparation of sols
    • B01J13/0039—Post treatment
    • 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
    • B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
    • B01J13/0004—Preparation of sols
    • B01J13/0008—Sols of inorganic materials in water
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/113—Silicon oxides; Hydrates thereof
    • C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/14—Colloidal silica, e.g. dispersions, gels, sols
    • C01B33/146—After-treatment of sols
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/113—Silicon oxides; Hydrates thereof
    • C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/14—Colloidal silica, e.g. dispersions, gels, sols
    • C01B33/146—After-treatment of sols
    • C01B33/148—Concentration; Drying; Dehydration; Stabilisation; Purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Silicon Compounds (AREA)
AT02016521T 2002-06-30 2002-07-24 Verfahren zur erhöhung der partikelgrösse einer kolloidaler kieselsäure ATE330906T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IR138104035 2002-06-30

Publications (1)

Publication Number Publication Date
ATE330906T1 true ATE330906T1 (de) 2006-07-15

Family

ID=83225964

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02016521T ATE330906T1 (de) 2002-06-30 2002-07-24 Verfahren zur erhöhung der partikelgrösse einer kolloidaler kieselsäure

Country Status (3)

Country Link
EP (1) EP1375426B1 (de)
AT (1) ATE330906T1 (de)
DE (1) DE60212601T2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116354353B (zh) * 2023-04-04 2024-01-19 山东安特纳米材料有限公司 一种高固含纳米二氧化硅溶胶的制备方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2680721A (en) * 1952-03-20 1954-06-08 Du Pont Process of increasing the size of unaggregated silica particles in an aqueous silicasuspension
US4356107A (en) * 1979-11-26 1982-10-26 Nalco Chemical Company Process for preparing silica sols

Also Published As

Publication number Publication date
EP1375426A1 (de) 2004-01-02
EP1375426B1 (de) 2006-06-21
DE60212601D1 (de) 2006-08-03
DE60212601T2 (de) 2007-07-05

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties