CEMENT-PARTICLE SLAB Russian patent published in 2019 - IPC C04B28/04 E04C2/16 C04B24/26 C04B16/06 C04B18/26 C04B111/20 

FIELD: construction.

SUBSTANCE: invention relates to construction, namely, to cement-particle board, and can be used in building enclosing structures. Cement-strand board, obtained from a mixture comprising portland cement CEM P/A-K (Sh-P) 32.5B from ZAO Ulyanovskcement, wood filler and mixing water, additionally contains a superplasticizer based on polycarboxylate ethers of Remicrete SP 10 and a hydrophobisating organosilicon liquid based on potassium alkylsiliconate Tiprom C at the following component ratio, wt. %: CEM II/A-K (Sh-P) 32.5B Portland cement of ZAO Ulyanovskcement production 40–45, pine chips 30–40, Remicrete SP 10 ether polycarboxylate super plasticizer SP 0.2–0.4, hydrophobizating organosilicon liquid based on potassium alkylsiliconate Tiprom C 0.02–0.06, tempering water 19–25.

EFFECT: technical result consists in reduction of water absorption, increase of strength, durability and operational reliability of plate.

1 cl, 2 tbl