CA2012719A1 - Aqueous colloidal dispersion of fumed silica, acid and stabilizer - Google Patents

Aqueous colloidal dispersion of fumed silica, acid and stabilizer

Info

Publication number
CA2012719A1
CA2012719A1 CA2012719A CA2012719A CA2012719A1 CA 2012719 A1 CA2012719 A1 CA 2012719A1 CA 2012719 A CA2012719 A CA 2012719A CA 2012719 A CA2012719 A CA 2012719A CA 2012719 A1 CA2012719 A1 CA 2012719A1
Authority
CA
Canada
Prior art keywords
fumed silica
stabilizer
colloidal dispersion
acid
aqueous colloidal
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.)
Granted
Application number
CA2012719A
Other languages
French (fr)
Other versions
CA2012719C (en
Inventor
Dennis G. Miller
William F. Moll
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.)
Cabot Corp
CMC Materials LLC
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2012719A1 publication Critical patent/CA2012719A1/en
Application granted granted Critical
Publication of CA2012719C publication Critical patent/CA2012719C/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C01B33/141—Preparation of hydrosols or aqueous dispersions
    • C01B33/1415—Preparation of hydrosols or aqueous dispersions by suspending finely divided silica in water
    • C01B33/1417—Preparation of hydrosols or aqueous dispersions by suspending finely divided silica in water an aqueous dispersion being obtained
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Silicon Compounds (AREA)
  • Colloid Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Paper (AREA)
  • Treating Waste Gases (AREA)

Abstract

An aqueous colloidal dispersion of fumed silica, acid and stabilizer, having a fumed silica concentration of at least about 40% by weight. A process for making an aqueous colloidal dispersion is also disclosed.
CA002012719A 1989-03-21 1990-03-21 Aqueous colloidal dispersion of fumed silica, acid and stabilizer Expired - Lifetime CA2012719C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US32689089A 1989-03-21 1989-03-21
US326,890 1999-06-07

Publications (2)

Publication Number Publication Date
CA2012719A1 true CA2012719A1 (en) 1990-09-21
CA2012719C CA2012719C (en) 1999-06-08

Family

ID=23274175

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002012719A Expired - Lifetime CA2012719C (en) 1989-03-21 1990-03-21 Aqueous colloidal dispersion of fumed silica, acid and stabilizer

Country Status (11)

Country Link
JP (1) JP2949633B2 (en)
KR (1) KR0148692B1 (en)
CN (1) CN1027162C (en)
AU (1) AU625980B2 (en)
BE (1) BE1002854A3 (en)
BR (1) BR9001302A (en)
CA (1) CA2012719C (en)
DE (1) DE4006392A1 (en)
FR (1) FR2644768B1 (en)
GB (1) GB2229432B (en)
IT (1) IT1239546B (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2816076B2 (en) * 1993-01-21 1998-10-27 日本ペイント株式会社 Dispersion of colloidal particles and aqueous coating composition
DE69611653T2 (en) 1995-11-10 2001-05-03 Tokuyama Corp., Tokuya Polishing suspensions and processes for their manufacture
KR19990023544A (en) * 1997-08-19 1999-03-25 마쯔모또 에이찌 Aqueous dispersion of inorganic particles and preparation method thereof
US5944866A (en) * 1997-09-26 1999-08-31 Lucent Technologies Inc. Fabrication including sol-gel processing
US6132298A (en) * 1998-11-25 2000-10-17 Applied Materials, Inc. Carrier head with edge control for chemical mechanical polishing
CN1089077C (en) * 1998-11-04 2002-08-14 中国科学院山西煤炭化学研究所 Surficial modification process for SiO2 sol particles
JP4428473B2 (en) * 1999-01-18 2010-03-10 株式会社東芝 Method for producing water-containing solid substance of vapor-phase inorganic oxide particles and polishing slurry
JP3721497B2 (en) * 1999-07-15 2005-11-30 株式会社フジミインコーポレーテッド Method for producing polishing composition
DE19936478A1 (en) * 1999-08-03 2001-02-15 Degussa Sintered materials
EP1349809B1 (en) * 2000-11-15 2008-03-26 Cabot Corporation Method of preparing a fumed metal oxide dispersion
JP4426192B2 (en) * 2003-02-14 2010-03-03 ニッタ・ハース株式会社 Method for producing polishing composition
JP5164129B2 (en) * 2004-03-29 2013-03-13 ニッタ・ハース株式会社 Semiconductor polishing composition
JP2005286047A (en) 2004-03-29 2005-10-13 Nitta Haas Inc Abrasive composition for semiconductor
GB0407198D0 (en) 2004-03-30 2004-05-05 British Telecomm Joint fault detection
DE102004021092A1 (en) * 2004-04-29 2005-11-24 Degussa Ag Use of a cationic silica dispersion as a textile finishing agent
DE102005012409A1 (en) * 2005-03-17 2006-09-21 Wacker Chemie Ag Aqueous dispersions of partially hydrophobic silicic acids
JP4837483B2 (en) * 2006-08-04 2011-12-14 住友大阪セメント株式会社 Silica fume slurry for high-strength concrete
DE102008041466A1 (en) 2008-08-22 2010-02-25 Wacker Chemie Ag Aqueous dispersions of hydrophobic silicic acids
KR101823170B1 (en) * 2009-12-29 2018-01-29 더블유.알. 그레이스 앤드 캄파니-콘. Composite inorganic particles and methods of making and using the same
NO342672B1 (en) * 2016-09-13 2018-06-25 Elkem As Microsilica slurry and method for producing such slurry
US20200261334A1 (en) * 2017-08-09 2020-08-20 Wacker Chemie Ag A water dispersion and a method for producing a water dispersion, also, an oil-in-water emulsion, a method for producing an oil-in-water emulsion and a method for designing an oil-in-water emulsion

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2984629A (en) * 1957-11-04 1961-05-16 Cabot Corp Aqueous dispersions of pyrogenic silica
US3291626A (en) * 1962-12-26 1966-12-13 Huber Corp J M Stabilized pigment slurries
DE1442656C3 (en) * 1964-09-25 1975-07-17 Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt Process for the production of a stable dispersion of pyrogenically obtained finely divided silicon dioxide
GB1326574A (en) * 1970-10-30 1973-08-15 Degussa Production of stabilised dispersions of pyrogenic silica
FR2094790A5 (en) * 1970-11-24 1972-02-04 Degussa Stable aqs silicon dioxide dispersions prepn
US4042361A (en) * 1976-04-26 1977-08-16 Corning Glass Works Method of densifying metal oxides
DE2844052A1 (en) * 1978-10-10 1980-04-30 Degussa AQUEOUS DISPERSION OF A HYDROPHOBIC SILICA
US4321243A (en) * 1980-08-05 1982-03-23 Cornwell Charles E Method of producing stabilized aqueous dispersions of silica fume

Also Published As

Publication number Publication date
FR2644768A1 (en) 1990-09-28
FR2644768B1 (en) 1994-02-11
CN1027162C (en) 1994-12-28
CA2012719C (en) 1999-06-08
KR0148692B1 (en) 1998-08-17
BR9001302A (en) 1991-04-02
GB2229432A (en) 1990-09-26
DE4006392A1 (en) 1990-09-27
AU625980B2 (en) 1992-07-23
GB9006122D0 (en) 1990-05-16
JPH0360420A (en) 1991-03-15
IT9019748A1 (en) 1991-09-21
BE1002854A3 (en) 1991-07-02
CN1045754A (en) 1990-10-03
AU5201090A (en) 1990-09-27
IT1239546B (en) 1993-11-05
GB2229432B (en) 1992-09-23
JP2949633B2 (en) 1999-09-20
KR900014248A (en) 1990-10-23
IT9019748A0 (en) 1990-03-21

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed
MKEC Expiry (correction)

Effective date: 20121202