| 摘要 |
<p>The invention relates to building industry and intended for giving of water-repellent properties to a wide range of building materials: concretes of all grades, foam concrete, gas concrete, red and silicate brick, ceramic tile, cement-fiber boards, natural and artificial stone, sand-cement renderings, asbestos board, expanded-clay concrete, gypsum, plaster slab, and also to leather, tissues, paper, wood and other materials, and the durability and heat-insulating characteristics, crack resistance, freeze resistance of building materials and other materials are improved.The novelty of the invention is in that a waterproofing composition comprises as organosilicon compound at least two of compounds–polymethylhydrosilane, polyethylhydrosilane, polymethylsiloxane, methyltriethoxysilane, aminopropyltriethoxysilane, and/or at least one of the compounds–sodium or potassium methylsiliconate, sodium or potassium ethylsiliconate, or at least one of the compounds–sodium alumina-methylsiliconate, sodium alumina-ethylsiliconate, and additionally comprises filler, which is nanodispersed powder of silica or alumina or nanopowder of silica modified with organic compounds from series of monomers of alkylchloro silane, and a solvent is water and/or organic solvent from group of hydrocarbons of fatty and aromatic series.</p> |
