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FR934137A - Preparation of hydrosol and silica hydrogel - Google Patents

Preparation of hydrosol and silica hydrogel

Info

Publication number
FR934137A
FR934137A FR934137DA FR934137A FR 934137 A FR934137 A FR 934137A FR 934137D A FR934137D A FR 934137DA FR 934137 A FR934137 A FR 934137A
Authority
FR
France
Prior art keywords
hydrosol
preparation
silica hydrogel
hydrogel
silica
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
Application number
Other languages
French (fr)
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.)
Davison Chemical Corp
Original Assignee
Davison Chemical Corp
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 Davison Chemical Corp filed Critical Davison Chemical Corp
Application granted granted Critical
Publication of FR934137A publication Critical patent/FR934137A/en
Expired legal-status Critical Current

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
    • C01B33/14—Colloidal silica, e.g. dispersions, gels, sols
    • C01B33/152—Preparation of hydrogels
    • C01B33/154—Preparation of hydrogels 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
    • C01B33/14—Colloidal silica, e.g. dispersions, gels, sols
    • C01B33/141—Preparation of hydrosols or aqueous dispersions
    • C01B33/142—Preparation of hydrosols or aqueous dispersions by acidic treatment of silicates
    • C01B33/143—Preparation of hydrosols or aqueous dispersions by acidic treatment of silicates of aqueous solutions of silicates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
FR934137D 1945-11-15 1946-10-03 Preparation of hydrosol and silica hydrogel Expired FR934137A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US934137XA 1945-11-15 1945-11-15

Publications (1)

Publication Number Publication Date
FR934137A true FR934137A (en) 1948-05-12

Family

ID=22238790

Family Applications (1)

Application Number Title Priority Date Filing Date
FR934137D Expired FR934137A (en) 1945-11-15 1946-10-03 Preparation of hydrosol and silica hydrogel

Country Status (1)

Country Link
FR (1) FR934137A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE946433C (en) * 1951-07-13 1956-08-02 Benckiser Gmbh Joh A Process for the production of silica in highly active, voluminous powder form

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE946433C (en) * 1951-07-13 1956-08-02 Benckiser Gmbh Joh A Process for the production of silica in highly active, voluminous powder form

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