ES2052806T3 - Acido silicico hidrofilo, de forma esferica, procedimiento para su preparacion y utilizacion. - Google Patents

Acido silicico hidrofilo, de forma esferica, procedimiento para su preparacion y utilizacion.

Info

Publication number
ES2052806T3
ES2052806T3 ES89108273T ES89108273T ES2052806T3 ES 2052806 T3 ES2052806 T3 ES 2052806T3 ES 89108273 T ES89108273 T ES 89108273T ES 89108273 T ES89108273 T ES 89108273T ES 2052806 T3 ES2052806 T3 ES 2052806T3
Authority
ES
Spain
Prior art keywords
spherical
procedure
preparation
hydrophilic silicon
silicon acid
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 - Lifetime
Application number
ES89108273T
Other languages
English (en)
Inventor
Ingo Dr Pauli
Peter Dr Kleinschmit
Rudolf Dr Schwarz
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.)
Evonik Operations GmbH
Original Assignee
Degussa GmbH
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 Degussa GmbH filed Critical Degussa GmbH
Application granted granted Critical
Publication of ES2052806T3 publication Critical patent/ES2052806T3/es
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
    • 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
    • C01B33/181—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by a dry process
    • C01B33/183—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by a dry process by oxidation or hydrolysis in the vapour phase of silicon compounds such as halides, trichlorosilane, monosilane
    • 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
    • C01P2004/00—Particle morphology
    • C01P2004/30—Particle morphology extending in three dimensions
    • C01P2004/32—Spheres
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/51—Particles with a specific particle size distribution
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
    • 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
    • C01P2006/90—Other properties not specified above

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Silicon Compounds (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

ACIDO SILICICO ESFERICO, HIDROFILO, COMPUESTO POR PARTICULAS COMPACTAS, MASIVAS, NO CRISTALINAS, SIN POROS INTERNOS, CON UN TAMAÑO DE PARTICULAS DE 0,5 A 10 (MU)M,(PREFERENTEMENTE DE 0,5 A 4(MU)M, ESPECIALMENTE DE 1 A 3 (MU)M), CON UNA SUPERFICIE BET DE <50M (AL CUADRADO) /G, PREFERENTEMENTE DE 1 A 10 M (AL CUADRADO) . ESTE ACIDO SILICICO ESFERICO, HIDROFILO, SE OBTIENE CALENTANDO POR SEPARADO VAPOR DE AGUA Y TETRACLORURO DE SILICIO GASEOSO A UNA TEMPERATURA DE 300 A 400 (GRADOS) C, MEZCLANDOLOS EN UNA PROPORCION MOLAR DE 2:1 A 6,7:1 Y HACIENDO REACCIONAR LA MEZCLA A UNA TEMPERATURA DE 600 A 1200 (GRADOS) C.
ES89108273T 1988-05-19 1989-05-09 Acido silicico hidrofilo, de forma esferica, procedimiento para su preparacion y utilizacion. Expired - Lifetime ES2052806T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3817045 1988-05-19
DE3913260A DE3913260A1 (de) 1988-05-19 1989-04-22 Kugelfoermige, hydrophile kieselsaeure, verfahren zu seiner herstellung und verwendung

Publications (1)

Publication Number Publication Date
ES2052806T3 true ES2052806T3 (es) 1994-07-16

Family

ID=25868251

Family Applications (1)

Application Number Title Priority Date Filing Date
ES89108273T Expired - Lifetime ES2052806T3 (es) 1988-05-19 1989-05-09 Acido silicico hidrofilo, de forma esferica, procedimiento para su preparacion y utilizacion.

Country Status (4)

Country Link
EP (1) EP0342472B1 (es)
AT (1) ATE84281T1 (es)
DE (2) DE3913260A1 (es)
ES (1) ES2052806T3 (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4435157C2 (de) * 1994-09-30 2000-07-13 Basf Ag Verstärkte thermoplastische Polyoxymethylen(POM)-Kunststoffmasse für Formteile mit isotroper Schwindung und geringem Verzug
DE19530339A1 (de) * 1995-08-18 1997-02-20 Degussa Pyrogene Kieselsäure, Verfahren zu ihrer Herstellung und Verwendung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD83756A (es) *
NL113022C (es) * 1957-11-20
DE1206399B (de) * 1963-04-27 1965-12-09 Bayer Ag Verfahren zur Durchfuehrung von Gasphasenreaktionen
JPS58127354A (ja) * 1982-01-25 1983-07-29 Shin Etsu Chem Co Ltd 半導体素子封止用樹脂組成物
DE3616133A1 (de) * 1985-09-25 1987-11-19 Merck Patent Gmbh Kugelfoermige sio(pfeil abwaerts)2(pfeil abwaerts)-partikel

Also Published As

Publication number Publication date
EP0342472B1 (de) 1993-01-07
DE3913260A1 (de) 1989-11-23
DE58903206D1 (de) 1993-02-18
ATE84281T1 (de) 1993-01-15
EP0342472A1 (de) 1989-11-23

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