COMPOSITION FOR PRODUCTION OF HEAT RESISTANT COMPOSITES Russian patent published in 2014 - IPC C04B28/34 

FIELD: chemistry.

SUBSTANCE: composition for production of heat resistant composites includes a waste catalyst IM-2201, broken stone, sand and H₃PO₄, additionally contains sludge of a nickel-skeletal catalyst with content, wt %: SiO₂ - 5.3; Al₂O₃ - 26.8; Fe₂O₃ - 0.8; CaO - 2.9; MgO - 1.3; R₂O - 24.74; LOI - 37.1, with the following component ratio, wt %: waste catalyst IM-2201 10-15; broken stone 33-40; sand 10-13; orthophosphoric acid H₃PO₄ 10-15; sludge of nickel-skeletal catalyst 24-30 with content, wt %: SiO₂ - 5.3; Al₂O₃ - 26.8; Fe₂O₃ - 0.8; CaO - 2.9; MgO - 1.3; R₂O - 24.7401; LOI - 37.1.

EFFECT: increased limit of compression strength and thermal resistance of heat resistant composites.

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