| 摘要 |
<p>A process for improving the end-use properties of tufted floor coverings, which comprises, in the manufacture of tufted floor coverings, mixing the dispersions or latexes which are necessary for the precoat and/or for the second coat, before their compounding, with a fluorosurfactant of the formula Rf-C2H4O-R where Rf denotes a radical of the formula C6F13, C8F17, C10F21 or C12F25, R denotes a group of the formulae <IMAGE> M and M' denote sodium, potassium or NH4 and n denotes a number from 4 to 8. The fluorosurfactant increases the tuft anchorage of the pile yarns and the adhesion of the backing.</p> |
