Insulating product for the refractory industry, corresponding insulating materials and products, and uses
AssigneeHüTtenes-Albertus Chemische Werke Gesellschaft Mit BeschräNkter Haftung
InventorsSandra LEHMANN, Klaus RIEMANN, Nils ZIMMER, Hermann LIEBER, Jürgen HÜBERT, Fabio SOLA, Heike MUSHARDT
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Abstract
An insulating product for the refractory industry or an insulating material as intermediate for production of such a product, and a corresponding insulating material/insulating product are provided. Likewise the use of a matrix encapsulation process in the production of an insulating product for the refractory industry and a corresponding insulating product and/or an insulating material as intermediate for production of such a product are provided.
Claims20
An insulating product for the refractory industry or insulating material as intermediate for production of such a product, comprising a number of refractory composite particles, wherein these composite particles comprise
- particles of one or more refractory substances and
- nanoparticulate silicon dioxide that functions as binder or binder component for said particles of the refractory substances and
- wherein the composite particles present in the product or intermediate are characterized by
- (A) thermal stability at a temperature of 1600° C. or higher, determined by the sintering test, and/or
- (B) a thermal conductivity value at room temperature (20° C.) γR of ≤0.26 W/m*K.
An insulating product for the refractory industry or insulating material as intermediate for production of such a product, comprising
- a number of refractory composite particles, where said refractory composite particles comprise particles of one or more refractory substances;
- and
- the curing product of a binder component selected from the group consisting of:
- alumina cements,
- calcium aluminate cements,
- monoaluminum phosphate or solution of monoaluminum phosphate,
- monomagnesium phosphate or solution of monomagnesium phosphate,
- phosphoric acid,
- inorganic phosphate,
- boron compounds,
- magnesium sulfate or solution of magnesium sulfate,
- silica sol,
- sols of aluminum oxide,
- plastic clays,
- hydratable aluminum oxide binder,
- ethyl silicate and
- aluminum sulfate,
- wherein the refractory composite particles present in the product or intermediate are characterized by
- (A) thermal stability at a temperature of 1600° C. or higher, determined by the sintering test, and/or
- (B) a thermal conductivity value at room temperature (20° C.) γR of ≤0.26 W/m*K.
Dependencies are inferred from the claim text.