| 摘要 |
<p>1481211 Wall coverings S O B LJUNGBO 27 March 1974 [28 March 1973] 13620/74 Heading B2E [Also in Divisions B6, Dl and El] A slack mercerised woven cotton fabric, a fabric knitted or woven from yarns spun from unstretched viscose cellulose and aluminium silicate fibres, a similar knitted fabric which has been flame-proofed by impregnation with an aqueous solution of diammonium orthophosphate and urea, or a fabric'woven with a 9:1 mixture of viscose cellulose and glass fibre threads is provided with a fire-resisting layer, which under fire conditions forms a carbon foam, by coating with an aqueous paste of ethylhydroxyethyl cellulose, triethanolamine, triaminotriazine, pentaerythritol, ammonium polyphosphate, titanium dioxide, oxaldehyde and formic acid, the coated surface before drying being strewn with glass threads of these or aluminium silicate fibres are not present in the fabric, dried in an oven at 100‹C, coated a second time on the same side with the same paste, and again dried.</p> |
