RAW MIX FOR MANUFACTURING HEAT-INSULATION ARTICLES Russian patent published in 2006 - IPC C04B28/26 C04B18/24 C04B18/26 C04B111/20 

FIELD: manufacture of building materials.

SUBSTANCE: raw mix includes hydrolysis lignin in the form of grains, wood filler, binder including liquid soda glass, and additives. Filler contains hydrolysis lignin in the form of grains 1-15 mm in size, wood filler in the form of sawdust and cuttings 1-15 mm in size, and, additionally, soda glass powder. Binder additionally contains hydrolysis lignin powder with particle size 10-50 μm. Additives are butadiene-styrene latex SKS-65 GP and sodium silicofluoride. Following proportions of components are used, wt %: wood filler 18.9-27.0, hydrolysis lignin in the form of grains 8-10, soda glass powder 6-8, liquid soda glass 50.5-60.0, hydrolysis lignin in the form of powder 1-4, butadiene-styrene latex (as dry solids) 2-4, and sodium silicofluoride 0.1-0.5.

EFFECT: enhanced waterproofness and improved heat-insulation properties of articles.

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