| 摘要 |
<p>Spin-dyeing cellulose acetate, pref, cellulose 21/2 acetate, to fibres, films, adhesives, lacquers artificial leather, cable insulators, drinking straws, membranes, intermediate layers for car windows, gas masks, by adding dyes of formula: (where D is a residue of a diazo component containing a sulphonic acid amide group), without dispersant, to the cellulose ester spinning dope before spining, extrusion or casting.</p> |
