CA2274099A1 - Silices amorphes a pores controles et processus de fabrication - Google Patents

Silices amorphes a pores controles et processus de fabrication Download PDF

Info

Publication number
CA2274099A1
CA2274099A1 CA002274099A CA2274099A CA2274099A1 CA 2274099 A1 CA2274099 A1 CA 2274099A1 CA 002274099 A CA002274099 A CA 002274099A CA 2274099 A CA2274099 A CA 2274099A CA 2274099 A1 CA2274099 A1 CA 2274099A1
Authority
CA
Canada
Prior art keywords
surface area
pore
controlled
macropore
gel
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.)
Abandoned
Application number
CA002274099A
Other languages
English (en)
Inventor
David Richard Ward
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.)
Individual
Original Assignee
Crosfield Ltd
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 Crosfield Ltd filed Critical Crosfield Ltd
Publication of CA2274099A1 publication Critical patent/CA2274099A1/fr
Abandoned 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
    • C01B33/18—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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/02—Amorphous compounds
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/12—Surface area
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/14—Pore volume
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/16—Pore diameter

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Silicon Compounds (AREA)
  • Catalysts (AREA)

Abstract

La silice amorphe à pores contrôlés de l'invention présente une surface entre 10m?2¿/g et 900 m?2¿/g, un diamètre de macropore allant de 1,000 à 10,000 angströms. Cette silice peut s'obtenir dans des conditions de gel alcalin.
CA002274099A 1996-12-10 1997-12-01 Silices amorphes a pores controles et processus de fabrication Abandoned CA2274099A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9625630.0 1996-12-10
GBGB9625630.0A GB9625630D0 (en) 1996-12-10 1996-12-10 Controlled-pore amorphous silicas and process for manufacturing the same
PCT/GB1997/003305 WO1998025851A1 (fr) 1996-12-10 1997-12-01 Silices amorphes a pores controles et processus de fabrication

Publications (1)

Publication Number Publication Date
CA2274099A1 true CA2274099A1 (fr) 1998-06-18

Family

ID=10804226

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002274099A Abandoned CA2274099A1 (fr) 1996-12-10 1997-12-01 Silices amorphes a pores controles et processus de fabrication

Country Status (6)

Country Link
EP (1) EP0960068A1 (fr)
AU (1) AU5130598A (fr)
BR (1) BR9713899A (fr)
CA (1) CA2274099A1 (fr)
GB (1) GB9625630D0 (fr)
WO (1) WO1998025851A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009045109A1 (de) 2009-09-29 2011-03-31 Evonik Degussa Gmbh Oberflächenmodifizierte Semi-Gele
JP5629042B2 (ja) * 2012-08-27 2014-11-19 信和化工株式会社 多孔質シリカ粉末

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2042910A1 (de) * 1970-08-29 1972-03-02 Merck Patent Gmbh Kieselsauren mit makroporoser Struktur
AU460371B2 (en) * 1970-09-14 1975-04-24 W. R. Grace & Co High pore volume silica
NL7206539A (fr) * 1972-05-15 1973-11-19
US3977993A (en) * 1975-03-12 1976-08-31 Gulf Research & Development Company Metal oxide aerogels
DD283040A7 (de) * 1988-06-03 1990-10-03 Leuna Werke Veb Verfahren zur herstellung makroporiger silikagele

Also Published As

Publication number Publication date
EP0960068A1 (fr) 1999-12-01
AU5130598A (en) 1998-07-03
WO1998025851A1 (fr) 1998-06-18
GB9625630D0 (en) 1997-01-29
BR9713899A (pt) 2000-02-29

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Legal Events

Date Code Title Description
FZDE Discontinued