纺织学报 ›› 2019, Vol. 40 ›› Issue (04): 77-82.doi: 10.13475/j.fzxb.20180406506

• 染整与化学品 • 上一篇    下一篇

活性红195在中性电解质溶液中的聚集行为

王阿明1, 夏良君1,2, 王运利1()   

  1. 1.武汉纺织大学 纺织新材料与先进加工技术国家重点实验室培育基地, 湖北 武汉 430200
    2.迪肯大学 前沿材料研究院, 澳大利亚 吉朗 VIC 3220
  • 收稿日期:2018-04-27 修回日期:2018-08-22 出版日期:2019-04-15 发布日期:2019-04-16
  • 通讯作者: 王运利
  • 作者简介:王阿明(1993—),男,硕士生。主要研究方向为有机溶剂在染色中的应用及开发。
  • 基金资助:
    湖北省自然科学基金项目(2014CFB753)

Aggregation behavior of Reactive Red 195 in neutral electrolyte solution

WANG Aming1, XIA Liangjun1,2, WANG Yunli1()   

  1. 1. Institute of National Key Laboratory of Textile New Materials and Advanced Processing Technology, Wuhan Textile University, Wuhan, Hubei 430200, China
    2. Institute for Frontier Materials, Deakin University, Geelong VIC 3220, Australia
  • Received:2018-04-27 Revised:2018-08-22 Online:2019-04-15 Published:2019-04-16
  • Contact: WANG Yunli

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摘要：

为研究染料聚集行为及其对染色上染率的影响,将不同质量浓度的6种中性电解质加入到活性红195染料溶液中,借助紫外-可见分光光度计和激光粒度仪等研究了活性红195染料在不同电解质溶液中的聚集行为,并探讨了电解质对染色上染率的影响。结果表明:随着电解质质量浓度的增大,染料聚集程度增大;常温下,6种金属离子对染料聚集的影响程度依次为Al3+ > Ca2+ > Mg2+ > K+ > Na+ > Li+;电解质中所含金属离子的离子半径越大、化合价越高,越易引发染料聚集,其中金属离子的化合价是影响染料聚集的主要因素;染色时染料聚集程度越大,上染率越高。

关键词: 活性染料, 电解质, 聚集行为, 粒径, 上染率

Abstract:

In order to study the aggregation behavior of Reactive Red 195 and its effect on dye uptake, six neutral electrolytes with different concentrations were added into the Reactive Red 195 dye solution. The aggregation behaviors of Reactive Red 195 in different electrolyte solutions were studied by means of UV-Vis spectrophotometer and laser particle size analyzer, and the influence of different electrolytes on the dye uptake of Reactive Red 195 was investigated. The results show that with the increase of the electrolyte concentration, the degree of dye aggregation increases. At room temperature, the degree of influence of the six metal ions on dye aggregation is Al3+ > Ca2+ > Mg2+ > K+ > Na+ > Li+. The degree of dye aggregation is enhanced with the increase in ionic radius and valence of metal ions. Among them, the valence of metal ions is the main factor influencing dye aggregation. During dyeing process, the dye uptake is enhanced with the increase of dye aggregation.

Key words: reactive dye, electrolyte, aggregation behavior, particle size, dye uptake

中图分类号: 

  • TS190

图1

活性红195的化学结构"

图2

电解质质量浓度对活性红195吸收光谱的影响 注:电解质质量浓度1-0 g/L;2-15 g/L;3-30 g/L;4-45 g/L;5-60 g/L;6-75 g/L。"

图3

电解质质量浓度对活性红195最大吸光度和最大吸收波长的影响"

图4

电解质质量浓度对活性红195粒径和Zeta电位的影响 注:电解质依次为1#-LiCl· H2O; 2#-NaCl;3#-KCl;4#-MgCl2· 6H2O; 5#-CaCl2;6#-AlCl3· 6H2O。"

图5

电解质质量浓度对活性红195粒径的增加量和Zeta电位的降低量的影响 注: 1#-LiCl· H2O; 2#-NaCl; 3#-KCl;4#-MgCl2· 6H2O; 5#-CaCl2; 6#-AlCl3· 6H2O。"

表1

电解质类型对上染率的影响"

电解质名称 平均上染率
LiCl· H2O 17.8
NaCl 26.8
KCl 38.1
CaCl2 39.4
MgCl2· 6H2O 29.2
AlCl3· 6H2O 34.3
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