FIELD: construction.
SUBSTANCE: invention relates to the industry of construction materials and specifically to compositions for production of heat-insulating autoclave foamed concrete and articles based thereon, which can be used for heat insulation of industrial plants and enclosing structures of buildings and structures. Crude mixture for making autoclave foam concrete contains, wt%: Portland cement 8-14, unslaked lime 12-18, quartz sand 37-40, polyfunctional gasifier based on aluminium paste and surfactants 0.15-0.40, dispersion of multilayer carbon nanotubes in a superplasticiser based on polycarboxylates activated by means of an ultrasonic disperser and containing 1-3 % of multilayer carbon nanotubes 0.005-0.02, water with the temperature of 45-55 °C 32-38.
EFFECT: optimization of processes of foaming and structuration of cellular concrete mass, lower density and heat conductivity of the obtained foamed concrete while maintaining strength properties.
1 cl, 2 tbl
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