VERFAHREN ZUM HERSTELLEN VON SCHAUMKERAMIK
A method for the manufacture of foamed ceramics from a starting composition containing at least one component, which, when heated, forms a viscous, sintered and porous mass and a relatively difficultly oxidizable pore-forming agent for producing the porous structure, characterized by using as the st...
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| creator | KLANG,HANS ENGSTROEM,BENGT PERSSON,GOESTA |
| description | A method for the manufacture of foamed ceramics from a starting composition containing at least one component, which, when heated, forms a viscous, sintered and porous mass and a relatively difficultly oxidizable pore-forming agent for producing the porous structure, characterized by using as the starting composition a composition containing (1) at least one waste product rich in silica and containing readily oxidizable substances which, when heated, are themselves capable of producing uncontrollable pore formation and/or an undesirable melt, and (2) a strongly oxidizing agent, the quantity of oxidizing agent being such that the oxidizable substances are oxidized to eliminate or to reduce the uncontrollable pore formation and/or the melting and wherein the desired pore structure is obtained by oxidation of the difficultly oxidizable carbonaceous pore-forming agent. |
| format | Patent |
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| language | ger |
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| subjects | ARTIFICIAL STONE CEMENTS CERAMICS CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE GLASS JOINING GLASS TO GLASS OR OTHER MATERIALS LIME, MAGNESIA METALLURGY MINERAL OR SLAG WOOL REFRACTORIES SLAG SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS TREATMENT OF NATURAL STONE |
| title | VERFAHREN ZUM HERSTELLEN VON SCHAUMKERAMIK |
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