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Polycondensation Dyes. A New Principle for the Preparation of Wash‐Fast Cotton Dyeings

 

作者: K. Schimmelschmidt,   Hermann Hoffmann,   E. Baier,  

 

期刊: Angewandte Chemie International Edition in English  （WILEY Available online 1963）
卷期: Volume 2, issue 1  

页码: 30-31

 

ISSN:0570-0833

 

年代: 1963

 

DOI:10.1002/anie.196300301

 

出版商: Hüthig&Wepf Verlag

 

关键词: Polycondensation;Dyes/Pigments;Bunte salts

 

数据来源: WILEY

 

摘要:

AbstractDyes which contain only thiosulfate residues as water‐solubilizing groups are readily polycondensed on cellulose under mild conditions in the presence of condensing agents such as sodium sulfide to give insoluble, high molecular‐weight dyes. This type of fixation leads to wash‐fast dyeings and, in contrast to reactive dyes, involves no reaction with the fiber. The preparation and application of the dyes are desc

 

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