FR2925893B1 - Silices precipitees sous la forme de coquilles creuses obtenues par texturation par un coprecipitat de phosphate de calcium et de silice - Google Patents

Silices precipitees sous la forme de coquilles creuses obtenues par texturation par un coprecipitat de phosphate de calcium et de silice

Info

Publication number
FR2925893B1
FR2925893B1 FR0760389A FR0760389A FR2925893B1 FR 2925893 B1 FR2925893 B1 FR 2925893B1 FR 0760389 A FR0760389 A FR 0760389A FR 0760389 A FR0760389 A FR 0760389A FR 2925893 B1 FR2925893 B1 FR 2925893B1
Authority
FR
France
Prior art keywords
texturation
coprecipitate
silica
calcium phosphate
hollow shells
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
FR0760389A
Other languages
English (en)
Other versions
FR2925893A1 (fr
Inventor
Julien Hernandez
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.)
Rhodia Operations SAS
Original Assignee
Rhodia Operations SAS
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 Rhodia Operations SAS filed Critical Rhodia Operations SAS
Priority to FR0760389A priority Critical patent/FR2925893B1/fr
Publication of FR2925893A1 publication Critical patent/FR2925893A1/fr
Application granted granted Critical
Publication of FR2925893B1 publication Critical patent/FR2925893B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • C01B33/126—Preparation of silica of undetermined type
    • C01B33/128—Preparation of silica of undetermined type by acidic treatment of aqueous silicate solutions
    • 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
    • C01B33/18—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
    • C01B33/187—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by acidic treatment of silicates
    • C01B33/193—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by acidic treatment of silicates of aqueous solutions of silicates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Silicon Compounds (AREA)
FR0760389A 2007-12-27 2007-12-27 Silices precipitees sous la forme de coquilles creuses obtenues par texturation par un coprecipitat de phosphate de calcium et de silice Expired - Fee Related FR2925893B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0760389A FR2925893B1 (fr) 2007-12-27 2007-12-27 Silices precipitees sous la forme de coquilles creuses obtenues par texturation par un coprecipitat de phosphate de calcium et de silice

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0760389A FR2925893B1 (fr) 2007-12-27 2007-12-27 Silices precipitees sous la forme de coquilles creuses obtenues par texturation par un coprecipitat de phosphate de calcium et de silice

Publications (2)

Publication Number Publication Date
FR2925893A1 FR2925893A1 (fr) 2009-07-03
FR2925893B1 true FR2925893B1 (fr) 2012-05-11

Family

ID=39735925

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0760389A Expired - Fee Related FR2925893B1 (fr) 2007-12-27 2007-12-27 Silices precipitees sous la forme de coquilles creuses obtenues par texturation par un coprecipitat de phosphate de calcium et de silice

Country Status (1)

Country Link
FR (1) FR2925893B1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5024826A (en) * 1990-03-05 1991-06-18 E. I. Du Pont De Nemours And Company Silica particulate composition
FR2747669B1 (fr) * 1996-04-22 1998-05-22 Rhone Poulenc Chimie Procede de preparation de particules creuses de silice
US6893992B2 (en) * 2003-02-07 2005-05-17 Allied Mineral Products, Inc Crack-resistant insulating dry refractory
US9278866B2 (en) * 2005-08-10 2016-03-08 The Procter & Gamble Company Hollow silica particles, compositions comprising them, and methods for making same

Also Published As

Publication number Publication date
FR2925893A1 (fr) 2009-07-03

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