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    • 42. 发明授权
    • Two-phase printing process for preparing conversion articles and
discharge resist prints
    • 用于制备转换制品和放电抗蚀剂印刷品的两相印刷工艺
    • US4314812A
    • 1982-02-09
    • US165029
    • 1980-07-01
    • Erich Feess
    • Erich Feess
    • D06P5/13D06P5/12D06P5/15
    • D06P5/12D06P5/15Y10S534/01Y10S8/918
    • According to two-phase processes multi-color effects are obtained on cellulosic materials, namely conversion effects with reactive and vat dyestuffs on the one hand and discharge resist prints with reactive dyestuffs and, optionally, vat dyestuffs on the other hand, by printing or padding the reactive dyestuff or a mixture of reactive and vat dyestuffs in a weakly acidic medium onto the material, overprinting this material with a neutral paste containing a stable discharging agent of the sulfinic acid series and, if desired, a vat dyestuff, drying the print, contacting the material with an aqueous strongly alkaline liquor, steaming it and finishing the article in known manner, depending on the choice of dyestuffs.
    • 根据两相工艺,在纤维素材料上获得多色效果,一方面是反应性和大桶染料的转化效果,另一方面,通过印刷或填充将活性染料和任选的瓮染料放出抗蚀剂印花 将活性染料或弱酸性介质中的反应性和含水染料的混合物在材料上,用含有亚磺酸系列的稳定排放剂的中性浆料以及如果需要的话,进行干燥印刷, 使材料与强碱性水溶液接触,根据染料的选择,以已知的方式蒸煮并整理制品。