METHOD FOR PRODUCING OF SILICATE FOAM PRODUCT FROM WASTE MATERIAL

The process of the invention characterized in that to 100 parts by weight of a silicate powder having 2000-8000 m2/g specific surface, 1-10 parts by weight of gas-forming material with particle size of 10-100 mum and 0.5-15 parts by weight of montmorillonite, 0.5-2 parts by weight of alkali hydrogen...

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Hauptverfasser: HOFFMANN LASZLO, JALSOWSZKY ISTVAN DR, FEHER JENOE DR, HOFFMANN EMMA, ROSTAS RITA, FEJER ZSOLT
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creator HOFFMANN LASZLO
JALSOWSZKY ISTVAN DR
FEHER JENOE DR
HOFFMANN EMMA
ROSTAS RITA
FEJER ZSOLT
description The process of the invention characterized in that to 100 parts by weight of a silicate powder having 2000-8000 m2/g specific surface, 1-10 parts by weight of gas-forming material with particle size of 10-100 mum and 0.5-15 parts by weight of montmorillonite, 0.5-2 parts by weight of alkali hydrogen phosphate or alkali dihydrogen phosphate or a mixture of alkali metal phosphate and sodium silicate in form of aqueous solution, 0.01-5 parts by weight of rare earth metal oxide or a mixture of such oxides were added, then the mixture obtained is homogenized, pre-dried, coated with 1-5 parts by weight of titanium oxide and/or titanium oxide hydroxide and/or aluminum oxide hydroxide, then subjected to heat treatment at 720-1000° C., and the mixture obtained is molded. The subject of the invention: also the product of the above process.
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subjects CHEMISTRY
GLASS
MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
METALLURGY
MINERAL OR SLAG WOOL
title METHOD FOR PRODUCING OF SILICATE FOAM PRODUCT FROM WASTE MATERIAL
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