DE60212601D1 - Verfahren zur Erhöhung der Partikelgrösse einer kolloidaler Kieselsäure - Google Patents

Verfahren zur Erhöhung der Partikelgrösse einer kolloidaler Kieselsäure

Info

Publication number
DE60212601D1
DE60212601D1 DE60212601T DE60212601T DE60212601D1 DE 60212601 D1 DE60212601 D1 DE 60212601D1 DE 60212601 T DE60212601 T DE 60212601T DE 60212601 T DE60212601 T DE 60212601T DE 60212601 D1 DE60212601 D1 DE 60212601D1
Authority
DE
Germany
Prior art keywords
increasing
particle size
colloidal silica
sio2
dilute
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE60212601T
Other languages
English (en)
Other versions
DE60212601T2 (de
Inventor
Cavus Falamaki Alvand St Es Dr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MATERIALS AND ENERGY RES CT
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 DE60212601D1 publication Critical patent/DE60212601D1/de
Publication of DE60212601T2 publication Critical patent/DE60212601T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
DE60212601T 2002-06-30 2002-07-24 Verfahren zur Erhöhung der Partikelgrösse einer kolloidaler Kieselsäure Expired - Fee Related DE60212601T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IR138104035 2002-06-30
IR38104035 2002-06-30

Publications (2)

Publication Number Publication Date
DE60212601D1 true DE60212601D1 (de) 2006-08-03
DE60212601T2 DE60212601T2 (de) 2007-07-05

Family

ID=83225964

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60212601T Expired - Fee Related DE60212601T2 (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
DE60212601T2 (de) 2007-07-05
ATE330906T1 (de) 2006-07-15
EP1375426A1 (de) 2004-01-02
EP1375426B1 (de) 2006-06-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee