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VERFAHREN ZUR HERSTELLUNG EINES HYDROPHOBE KIESELSÄURE ENTHALTENDEN WÄRMEDÄMMENDEN MATERIALS
Process for producing a thermally insulating mixture comprising hydrophobic silica, in whicha) a pulverulent carrier material selected from the group consisting of precipitated silicas, SiO2 aerogels, pearlites and mixtures thereof is coated with a liquid silicon compound, where the liquid silicon compound has at least one alkyl group and a boiling point of less than 200° C., andb) the pulverulent carrier material that has thus been coated with the liquid silicon compound is mixed with a composition comprising a pulverulent hydrophilic fumed silica and the mixture is subjected to thermal treatment at more than 40° C. andc) any unreacted silicon compound is subsequently removed from the thermally treated mixture, thus giving the thermally insulating mixture comprising hydrophobic silica.
VERFAHREN ZUR HERSTELLUNG EINES HYDROPHOBE KIESELSÄURE ENTHALTENDEN WÄRMEDÄMMENDEN MATERIALS
Process for producing a thermally insulating mixture comprising hydrophobic silica, in whicha) a pulverulent carrier material selected from the group consisting of precipitated silicas, SiO2 aerogels, pearlites and mixtures thereof is coated with a liquid silicon compound, where the liquid silicon compound has at least one alkyl group and a boiling point of less than 200° C., andb) the pulverulent carrier material that has thus been coated with the liquid silicon compound is mixed with a composition comprising a pulverulent hydrophilic fumed silica and the mixture is subjected to thermal treatment at more than 40° C. andc) any unreacted silicon compound is subsequently removed from the thermally treated mixture, thus giving the thermally insulating mixture comprising hydrophobic silica.
VERFAHREN ZUR HERSTELLUNG EINES HYDROPHOBE KIESELSÄURE ENTHALTENDEN WÄRMEDÄMMENDEN MATERIALS
METHOD FOR PRODUCING HEAT INSULATING MATERIAL COMPRISING HYDROPHOBIC PYROGENIC SILICA
PROCÉDÉ DE FABRICATION D'UN MATERIAU ISOLANT QUI CONTIENT DE LA SILICE PYROGÈNE HYDROPHOBE
SCHULTZ THORSTEN (author) / GEISLER MATTHIAS (author) / OLEK MACIEJ (author) / TSCHERNJAEW JURI (author) / ASBAHR HARK-OLUF (author) / GÄRTNER GABRIELE (author)
2020-02-12
Patent
Electronic Resource
German
IPC:
C04B
Kalk
,
LIME
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