| 摘要 |
<p>High flexibility bentonite panel for waterproofing soil, hydraulic works, buildings and the like comprising a granular bentonite layer glued between two permeable synthetic fabrics by means of an adhesive comprising a copolymer of lower alcohols acrylic esters. Evenly distributed impressions are formed on a side of the panel by heat pressing to increase compactness and grip on the ground. The bentonite layer is deposited on a foamy layer of adhesive and then sprayed with an aqueous solution of the same.</p> |
