Raw mixture for manufacturing of heat-insulating products. RU patent 2396228.

FIELD: chemistry.

SUBSTANCE: invention relates to composition of heat and sound insulation materials made on the basis of industrial wastes, and can be used in construction of residential and industrial buildings and constructions. Raw mixture contains filler representing organic wastes in form of wool combings or flax boon, water and polymer-modified foamed magnesian binder, which includes magnesium oxide, magnesium chloride solution and foamer. In addition, mixture contains 5-85% water dispersion of polymer. As filler, it additionally contains spent sorbents of sewage or technological water purification, which contain ions of heavy metals, wt %: filler 20.0-30.0; water polymer dispersion 16.0-24.0; magnesium oxide 11.0-15.0; magnesium chloride solution 14.0-23.0; foamer 1.0-3.0; water - the remaining part.

EFFECT: increase of strength and reduction of coefficient of heat-insulation product heat conductivity.

3 cl, 1 tbl

IPC classes for russian patent Raw mixture for manufacturing of heat-insulating products. RU patent 2396228. (RU 2396228):

C04B28/30 - containing magnesium cements (magnesium oxide cements C04B0028100000)

C04B18/30 - Mixed waste; Waste of undefined composition, e.g. municipal waste (C04B0018100000 takes precedence);;

C04B18/24 - Vegetable refuse, e.g. rice husks, maize-ear refuse; Cellulosic materials, e.g. paper

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