| 摘要 |
<p>Polyesters, e.g. polyethylene glycol terephthalate, cellulose ester, e.g. cellulose triacetate, and PVC articles, pref. textiles, are dyed with dispersion dyes, including optical brighteners, in the presence of chloroalkyl benzoates of formula: (where m is 2 or 3, and n is 0 or 1), pref. beta-chloroethyl-4- and/or -2-chlorobenzoate, which act as carriers, and may be used in 0.5-10 g./l. concn. of dye baths.</p> |
