IT962883B - Processo per la preparazione di soli di silice a grandi particelle - Google Patents

Processo per la preparazione di soli di silice a grandi particelle

Info

Publication number
IT962883B
IT962883B IT27035/72A IT2703572A IT962883B IT 962883 B IT962883 B IT 962883B IT 27035/72 A IT27035/72 A IT 27035/72A IT 2703572 A IT2703572 A IT 2703572A IT 962883 B IT962883 B IT 962883B
Authority
IT
Italy
Prior art keywords
preparation
large particle
particle silica
silica soles
soles
Prior art date
Application number
IT27035/72A
Other languages
English (en)
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Application granted granted Critical
Publication of IT962883B publication Critical patent/IT962883B/it

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
    • C01B33/141—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
    • C01B33/1435—Preparation of hydrosols or aqueous dispersions by acidic treatment of silicates of aqueous solutions of silicates using ion exchangers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Silicon Compounds (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
IT27035/72A 1971-07-15 1972-07-14 Processo per la preparazione di soli di silice a grandi particelle IT962883B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16578671A 1971-07-15 1971-07-15

Publications (1)

Publication Number Publication Date
IT962883B true IT962883B (it) 1973-12-31

Family

ID=22600482

Family Applications (1)

Application Number Title Priority Date Filing Date
IT27035/72A IT962883B (it) 1971-07-15 1972-07-14 Processo per la preparazione di soli di silice a grandi particelle

Country Status (8)

Country Link
US (1) US3789009A (it)
BE (1) BE786280A (it)
CA (1) CA983810A (it)
DE (1) DE2234730A1 (it)
FR (1) FR2145702B1 (it)
GB (1) GB1369339A (it)
IT (1) IT962883B (it)
NL (1) NL7209785A (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4410405A (en) * 1979-12-10 1983-10-18 E. I. Du Pont De Nemours And Co. Silica sol process
JPS6364911A (ja) * 1986-09-01 1988-03-23 Catalysts & Chem Ind Co Ltd 大粒径のシリカ粒子を含むシリカゾルの製造方法
US6440381B1 (en) * 1998-01-15 2002-08-27 Cabot Corporation Continuous production of silica via ion exchange
WO1999036355A2 (en) 1998-01-15 1999-07-22 Cabot Corporation Method of preparing hydrophobic silica
US6747065B1 (en) 2000-09-01 2004-06-08 Chemical Products Corporation System and method for producing high purity colloidal silica and potassium hydroxide
US6906109B2 (en) * 2000-09-01 2005-06-14 Chemical Products Corp. Method for controling uniformity of colloidal silica particle size
US8052788B2 (en) * 2005-08-10 2011-11-08 Nalco Company Method of producing silica sols with controllable broad size distribution and minimum particle size
US20070034116A1 (en) * 2005-08-10 2007-02-15 Mac Donald Dennis L Silica sols with controlled minimum particle size and preparation thereof
TWI436947B (zh) * 2007-03-27 2014-05-11 Fuso Chemical Co Ltd 膠體矽石及其製法
US20100284884A1 (en) * 2007-12-27 2010-11-11 James Neil Pryor Method for making colloidal silica particles
AU2008344012A1 (en) * 2007-12-27 2009-07-09 W. R. Grace & Co.-Conn. Method for making colloidal metal oxide particles

Also Published As

Publication number Publication date
DE2234730A1 (de) 1973-01-25
CA983810A (en) 1976-02-17
NL7209785A (it) 1973-01-17
FR2145702B1 (it) 1977-01-14
BE786280A (fr) 1972-11-03
GB1369339A (en) 1974-10-02
FR2145702A1 (it) 1973-02-23
US3789009A (en) 1974-01-29

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