ES2051324T3 - Procedimiento para el tratamiento de acido silicico de precipitacion y su utilizacion para el aislamiento termico. - Google Patents

Procedimiento para el tratamiento de acido silicico de precipitacion y su utilizacion para el aislamiento termico.

Info

Publication number
ES2051324T3
ES2051324T3 ES89110745T ES89110745T ES2051324T3 ES 2051324 T3 ES2051324 T3 ES 2051324T3 ES 89110745 T ES89110745 T ES 89110745T ES 89110745 T ES89110745 T ES 89110745T ES 2051324 T3 ES2051324 T3 ES 2051324T3
Authority
ES
Spain
Prior art keywords
procedure
treatment
thermal insulation
silicon acid
microwaves
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
ES89110745T
Other languages
English (en)
Inventor
Roland Reuter
Rolf Dr Zimmermann
Gerhard Dr Sextl
Peter Dr Kleinschmit
Rudolf Dr Schwarz
Klaus Dr Zetzmann
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 ES2051324T3 publication Critical patent/ES2051324T3/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
    • 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
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B30/00—Compositions for artificial stone, not containing binders
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/28—Compounds of silicon
    • C09C1/30—Silicic acid
    • C09C1/3009—Physical treatment, e.g. grinding; treatment with ultrasonic vibrations
    • C09C1/3027—Drying, calcination
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/20—Particle morphology extending in two dimensions, e.g. plate-like

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Silicon Compounds (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

LA PATANTE DESCRIBE UNA APLICACION DEL PRECIPITADO DE ACIDO SILICICO QUE SE EMPLEA COMO MATERIAL CALORIFUGO EN FORMA DE PLACAS PARA ARMARIOS REFRIGERADORES Y CONGELADORES. EL PROCEDIMIENTO CONSISTE EN SECAR EL PRECIPITADO DE ACIDO SILICICO MEDIANTE MICROONDAS: APLICAR EL PRECIPITADO SILICICO EN UN REVESTIMIENTO IMPERMEABLE AL GAS Y AL AGUA Y MICROPOROSO: UNIR A PRESION EL REVESTIMIENTO MICROPOROSO Y EL PRECIPITADO SILICICO Y SECAR EL PRODUCTO OBTENIDO MEDIANTE MICROONDAS.
ES89110745T 1988-08-24 1989-06-14 Procedimiento para el tratamiento de acido silicico de precipitacion y su utilizacion para el aislamiento termico. Expired - Lifetime ES2051324T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3828668A DE3828668A1 (de) 1988-08-24 1988-08-24 Verfahren zur aufbereitung von faellungskieselsaeure und deren verwendung zur waermedaemmung

Publications (1)

Publication Number Publication Date
ES2051324T3 true ES2051324T3 (es) 1994-06-16

Family

ID=6361473

Family Applications (1)

Application Number Title Priority Date Filing Date
ES89110745T Expired - Lifetime ES2051324T3 (es) 1988-08-24 1989-06-14 Procedimiento para el tratamiento de acido silicico de precipitacion y su utilizacion para el aislamiento termico.

Country Status (6)

Country Link
EP (1) EP0355295B1 (es)
JP (1) JP2592960B2 (es)
AT (1) ATE104934T1 (es)
DE (2) DE3828668A1 (es)
ES (1) ES2051324T3 (es)
TR (1) TR24986A (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2845931B1 (fr) * 2002-10-21 2004-12-10 Bernard Marie Simon Emi Dodane Procede de production de charges minerales traitees ou en melange-maitre, par sechage u.h.f. du resultat du melange aqueux d'une emulsion de polymere et d'une suspension des- dits produits mineraux
EP1586602A1 (fr) * 2004-04-14 2005-10-19 Bernard Dodane Procédé de production de charges minérales traitées ou en mélange-maitre, par séchage UHF du résultat du mélange d'une émulsion de polymère et d'une suspension des-dits produits minéraux
ES2424219T3 (es) 2009-02-13 2013-09-30 Evonik Degussa Gmbh Un material de aislamiento térmico que comprende sílice precipitada
DE102014113411A1 (de) 2014-09-17 2016-03-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Anorganische, Silica-basierte Feststoff-Schaumpartikel mit geschlossenen Innenporen, ihre Herstellung und ihre Verwendung als Füll- oder Speicherstoff

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4331197A (en) * 1979-07-02 1982-05-25 Ford Motor Company Microwave core process
DE3510753A1 (de) * 1984-05-04 1985-11-07 Akzo Gmbh, 5600 Wuppertal Hochtemperaturbestaendiges siliciumdioxidfasermaterial
JPS6126492A (ja) * 1984-07-16 1986-02-05 Fuji Electric Co Ltd 無整流子電動機
US4636415A (en) * 1985-02-08 1987-01-13 General Electric Company Precipitated silica insulation
JPH0657842B2 (ja) * 1985-02-28 1994-08-03 株式会社井上ジャパックス研究所 粉末焼結法
US4681788A (en) * 1986-07-31 1987-07-21 General Electric Company Insulation formed of precipitated silica and fly ash
US4798753A (en) * 1986-12-19 1989-01-17 General Electric Company Insulating panels containing insulating powders and insulating gases

Also Published As

Publication number Publication date
EP0355295A2 (de) 1990-02-28
ATE104934T1 (de) 1994-05-15
JPH02111617A (ja) 1990-04-24
EP0355295A3 (de) 1991-01-09
EP0355295B1 (de) 1994-04-27
JP2592960B2 (ja) 1997-03-19
TR24986A (tr) 1992-08-17
DE3828668A1 (de) 1990-03-08
DE58907557D1 (de) 1994-06-01

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