METHOD OF PRODUCING HEAT-INSULATING STRUCTURAL MATERIAL Russian patent published in 2014 - IPC C04B28/26 C04B111/20 C04B111/40 

FIELD: chemistry.

SUBSTANCE: invention relates to production of heat-insulating structural materials. The method of producing heat-insulating structural materials includes crushing silicate lumps to specific surface area of 2500 cm²/g, mixed with a modifier, a reinforcement additive in form of portland cement, a foaming agent in form of hydrogen peroxide and hardening water, pouring into an article mould and carrying out heat treatment of the article with microwave currents for 15 minutes at temperature of 300°C, wherein the modifier used is superplasticiser S-3, and an additional reinforcement additive used is basalt microfibre with the following ratio of components, wt %: said silicate lumps 62-64, superplasticiser S-3 0.01-0.012, portland cement 10-12, basalt microfibre 0.04-0.1, hydrogen peroxide 0.5-0.7, hardening water 25.

EFFECT: improved physical and mechanical properties.

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