超声波对普拉红B染料缔合状态的影响

纺织学报 ›› 2012, Vol. 33 ›› Issue (12): 53-57.

超声波对普拉红B染料缔合状态的影响

钱伟伟¹，吴建民²，范雪荣¹，王强¹，章金芳³，陈万明³，徐华君³，曲建波⁴

1. 生态纺织教育部重点实验室（江南大学）
2. 宁波雅戈尔毛纺织染整有限公司
3. 新天龙集团有限公司
4. 山东轻工业学院

收稿日期:2011-12-16 修回日期:2012-05-21 出版日期:2012-12-15 发布日期:2012-12-20
通讯作者: 范雪荣 E-mail:wxfxr@163.com
基金资助:
国家自然科学基金项目；教育部长江学者和创新团队发展计划资助项目；江苏高校优势学科建设工程资助项目

Effects of ultrasound wave on associating state of weak acidity Oprah Red B dye

Received:2011-12-16 Revised:2012-05-21 Online:2012-12-15 Published:2012-12-20

摘要/Abstract

摘要： 染料在溶液中的缔合状态对染色有着重要影响。本文通过染液的电导率和吸收光谱变化研究了超声波对染料缔合状态的影响。结果表明，弱酸性普拉红B溶液的最大吸收波长随着浓度的增加逐渐减小，发生蓝移，其缔合浓度为1×10-5mol/L。在高于染料缔合浓度的条件下，随着温度的升高，经超声波处理的染液电导率的增加幅度大于未经超声波处理的。在50℃下，染液随超声波处理时间的延长，其电导率逐渐增加，吸收光谱发生红移，吸收光谱中肩峰的峰值逐渐减小。

关键词: 超声波, 染料, 缔合, 电导率, 吸收光谱

Abstract: The associating state of dyes in solution plays an important role in dyeing. The effects of ultrasound on dye associating state was studied in terms of the determination of conductivity and absorption spectrum of the dye liquor in this paper. The results showed that the maximum absorption wavelength(λmax) of the dye solution exhibited a blue shift with the increase in the concentration of Weak Acidity Oprah 's Red B solution and, its aggregation concentration was determined as 1×10-5 mol/L. As the temperature increases, the increase of the conductivity of the dye solution undergoing ultrasonication was higher than that of the dye solution without standing ultrasonication, when the dye solution was above the aggregation concentration. At 50℃, the electrical conductivity of the dye solution gradually increased with the ultrasonication time, and a red shift of the λmax occurred, and with a decrease in the absorbance of spectrum shoulder peak.

Key words: ultrasonic wave, dye, association, electric conductivity, absorption spectrum

中图分类号:

TS 193.1

钱伟伟吴建民范雪荣王强章金芳陈万明徐华君曲建波. 超声波对普拉红B染料缔合状态的影响[J]. 纺织学报, 2012, 33(12): 53-57.

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