| 摘要 |
<p>Condensation products of high m.wt. dyes comprise polycondensates of ketones, HCHO and organic dyes with condensable gps. chosen from zao, pththalo-cyanine, azine, thiazine, oxazine, xanthene, acridine, triphenylmethane, stilbene or anthraquinone dyes or their mixtures. The polycondensates are used for during polystyrene, polyethylene, PVC or rubber and are migration resistant.</p> |
