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    • 5. 发明授权
    • Process for the dyeings of blends of spandex fibers and polyamide fibers
    • SPANDEX纤维和聚酰胺纤维的混合染色过程
    • US3653798A
    • 1972-04-04
    • US3653798D
    • 1968-01-03
    • GEIGY AG J R
    • BOARDMAN GEORGE LESLIE
    • D06P1/92D06P3/82D06P1/00
    • D06P3/8209D06P1/926D06P1/928Y10S8/924Y10S8/93
    • Process for dyeing blends of spandex and polyamide fiber materials in which the blended material is first pretreated with an agent for retarding drawing of the dyestuff on to the polyamide fiber portion in the blend; the thus pretreated material is then entered into another bath containing the dyestuff and an organic compound, which is a solvent for the dyestuff, or the dyestuff and the last-mentioned organic compound are added to the bath in which the pretreatment with retarder has taken place, whereupon the bath and goods therein are treated in a first stage to a temperature of from about 40* up to 70* C. for about 40 to 60 minutes and then at a temperature above 80* C., and preferably between 90* and 95* C., i.e., below the boiling point of the bath for approximately another 30 minutes to 2 hours.
    • 染色氨纶和聚酰胺纤维材料的混合物的方法,其中混合材料首先用用于将染料拉伸到共混物中的聚酰胺纤维部分的试剂预处理; 然后将如此预处理的材料进入另一个含有染料的浴和作为染料溶剂的有机化合物,或将染料和最后提到的有机化合物加入到用延迟剂进行预处理的浴中 然后将其中的浴液和物品在第一阶段中处理至约40℃至70℃的温度约40至60分钟,然后在高于80℃,优选90℃和 95℃,即低于浴的沸点约30分钟至2小时。