| 摘要 |
In dyeing nylon carpets by a batch or continuous method, the method of anti-stain finishing for nylon carpet comprises a blockade of a remaining dyeing site of the dyeing finished nylon fiber with the cpd. of formula (I) or the cpd. of formula (II) by a chemical binding. In formulas, R1 is -OH, -Cl, -OCH3; R2 is -OH, -(CH2)nCH3, -OC6H5, (n=0-2); R3 is -SO3Na, -COC6H5SO3Na; R4 is -OCH3, - C10H8SO3Na. Pref as a batch dyeing, the cpd. (I) and the cpd. (II) are added and treated at 70≦̸C before rinse.
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