WOOD CONCRETE MIXTURE Russian patent published in 2011 - IPC C04B38/10 

FIELD: chemistry.

SUBSTANCE: invention relates to the industry of building materials, particularly to production of articles (boards, blocks) from wood-cement compositions used mainly in low-height construction. The wood concrete mixture contains the following in wt %: cement 40-45, lime 5-7, blowing agent PB-2000 0.3-0.35, saponified rosin 0.003-0.005, hogged chips crushed to particle size not greater than 5 mm - the rest, wherein the water/cement ratio is equal to 1.1-1.3.

EFFECT: low consumption of binding materials.

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