| 摘要 |
<p>Dry material (I) for the production of low-emission coating, embedding and levelling mortars, consisting of a known mortar based on white or natural-coloured Portland cement or high-alumina cement and calcium sulphate (Mortar Group K), suitable for formation of an ettringite-containing phase, together with extenders and additives such as surfactants, foam suppressants and/or muscovite, and also containing 0.15-1 wt% 2,3,4,5-tetrahydroxy-adipic acid (THAA) as liquefier and 0.1-1 wt% 2,5-furan-dicarboxylic acid (FDCA) as waterproofing agent. Also claimed is a process for laying carpets, carpeting, linoleum and plastic flooring, especially in the form of rolls or tiles, with the aid of an elastic coating based on (I), which sticks the floor covering firmly to the substrate.</p> |
