COMPOSITION FOR PRODUCING HEAT-RESISTANT COMPOSITES Russian patent published in 2017 - IPC C04B18/14 C04B28/34 C04B111/20 

FIELD: construction.

SUBSTANCE: composition for producing heat-resistant composites includes, in mass %: spent catalyst IM-2201 10-15, crushed stone from carbonate rocks with the fraction of 5-10 mm 33-40, H₃PO₄ with the density of not less than 1.69 g/cm³ 10-15, alumina-chromium waste of aluminium alloys etching with the particle size of 0.1 to 5 mcm 24-30, burnt clays ground up to passing through a 0.14 mm sieve and with the content of oxides, wt %: SiO₂ - 61.5; Al₂O₃ - 19.8; Fe₂O₃ - 7.4; CaO - 6.7; MgO - 2.2; R₂O - 1.1; LOI - 1.3, 10-13.

EFFECT: increasing compressive tensile strength and thermal stability of heat-resistant composites, industrial waste utilisation.

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