| 摘要 |
FIELD: construction industry. ^ SUBSTANCE: invention refers to composite materials in the part of powders with modified surface. Engineering problem - development of composition for obtaining biologically resistant material protecting building structures against biodeteriorations. There proposed is composition for obtaining biologically resistant material, which includes the following (wt %): filler - oxide powder (45.0-49.95), sol of aqua-alcoholic solution of tetraetoxysilane with addition of inorganic acid (45.0-49.95), and in case salts of metals are required, as well as modifying agent - detonating nanodiamond with size of nanoparticles and their aggregates of 3-100 nm (0.1-10.0). Weight ratio of sol: filler=1:1. Detonating nanodiamond can be located in composition in the form of water suspension, powder or graphitised diamond charge. ^ EFFECT: proposed composition allows developing new micro-composite powder on the basis of cheap basic dispersed materials owing to modification of their surface, and providing it with biostability against mold fungi. ^ 5 cl, 1 tbl, 9 ex |
