摘要
用二乙烯三胺和双氰胺合成预聚物,再与二甲胺、环氧氯丙烷在55～60℃反应4h,冰醋酸调pH6～7,用去离子水稀释即得无甲醛固色剂ENF,通过对它在直接染料和活性染料固色处理的应用研究,找到了该固色剂的最佳应用工艺条件.结果表明:该固色剂可以有效地改善水溶性染料的染色牢度,固色后基本无色变现象.
Formaldehyde-free dye-fixing agent ENF was synthesized by pre-polymerization of diethylenetriamine with dicyandiamide and reaction with dimethylamine and epichlorohydrin at 55~60 ℃ for 4 h, followed by adjustment of pH to 6~7 with glacial acetic acid and dilution with de-ionized water. Its optimal dye fixing process was found by the application in dye fixing of direct and reactive dyes. The results showed that this product improved effectively the color fastness of the water-soluble dyes and substantially no discoloration was found after fixing.
出处
《印染助剂》
CAS
2005年第2期20-21,共2页
Textile Auxiliaries
