纺织学报 ›› 2006, Vol. 27 ›› Issue (9): 9-13.

• 研究论文 • 上一篇    下一篇

乙烯砜型活性染料水解动力学的HPLC研究

王正佳;邵敏;邵建中   

  1. 浙江理工大学先进纺织材料与制备技术教育部重点实验室 浙江杭州310018
  • 收稿日期:2005-11-02 修回日期:2006-01-07 出版日期:2006-09-15 发布日期:2006-09-15

Study on the hydrolysis kinetics of vinylsulfone reactive dyes with HPLC analysis

WANG Zheng-jia;SHAO Min;SHAO Jian-zhong   

  1. The Key Laboratory for Advanced Textile Materials and Manufacturing Technology;Ministry of Education;Zhejiang Sci-Tech University;Hangzhou;Zhejiang310018;China
  • Received:2005-11-02 Revised:2006-01-07 Online:2006-09-15 Published:2006-09-15

摘要: 采用反相离子对高效液相色谱法研究了活性艳蓝KN-R(C.I.活性蓝19)在不同时间、温度、pH值条件下的水解反应。在染料转变为乙烯砜型后,当[OH-]为常数时,该水解反应为准一级反应,水解速率随温度的增加而显著增加。就染料的水解特性而言,活性艳蓝KN-R的最佳应用条件为温度50~70℃,pH值8~9,时间40~80 min。

Abstract: The hydrolysis kinetics of vinylsulfone dye,Reactive Brilliant Blue KN-R(C.I.Reactive Blue 19),was studied using reversed-phase ion-pair high performance liquid chromatography(HPLC) under the conditions of varied time, temperature and pH value.After the dyes have converted to vinylsulfone structure,the hydrolysis is a pseudo first-order reaction as long as keeps constant.The velocity of hydrolysis increases with increasing the temperature.In terms of the hydrolysis characteristics,the optimized application conditions for Reactive Brilliant Blue KN-R are as follows: temperature is 50~(70 ℃,) pH value is 8~9,time is 40~(80 min.)

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