荧光增白剂对天然棕色棉色泽的影响及作用机制

doi:10.19398/j.att.202112024

现代纺织技术 ›› 2022, Vol. 30 ›› Issue (5): 181-187.DOI: 10.19398/j.att.202112024

荧光增白剂对天然棕色棉色泽的影响及作用机制

黄鑫涛, 马明波, 周文龙

浙江理工大学纺织科学与工程学院(国际丝绸学院),杭州 310018

收稿日期:2021-12-16 出版日期:2022-09-10 网络出版日期:2022-09-19
通讯作者:周文龙,E-mail:wzhou@zstu.edu.cn
作者简介:黄鑫涛(1996-),男,浙江桐庐人,硕士研究生,主要从事纺织材料方面的研究。
基金资助:
浙江理工大学兰溪纺织研究院产学研资助项目

The effect of fluorescent whitening agent on color of natural brown cotton and its mechanism of action

HUANG Xintao, MA Mingbo, ZHOU Wenlong

College of Textile Science and Engineering (International Institute of Silk), Zhejiang Sci-Tech University, Hangzhou 310018, China

Received:2021-12-16 Published:2022-09-10 Online:2022-09-19

摘要/Abstract

摘要： 为了探究荧光增白剂(FWA)对天然棕色棉(NBC)色泽的影响,采用具有不同带电基团的双三嗪氨基二苯乙烯型荧光增白剂对天然棕色棉进行处理,通过对样品的相关颜色性能进行测试分析,并进一步研究荧光增白剂对棕色棉色素的作用机制。结果表明:末端带正电基团的双三嗪氨基二苯乙烯型荧光增白剂对NBC具有较好增深作用;FWA与NBC色素的作用反应并不是生成新物质的化学反应,而是在NBC上形成了物理吸附;静电作用力,范德华力和氢键等可以影响FWA对棕棉色素的物理作用。经过FWA处理过后的NBC颜色明显增深,色泽有明显改进,对天然棕色棉产品开发具有实用价值。

关键词: 天然棕色棉, 色素, 颜色增深, 荧光增白剂, 带电基团

Abstract: In order to explore the effect of fluorescent whitening agent (FWA) on the color of natural brown cotton (NBC), the natural brown cotton was treated with bis(triazing)aminostibene fluorescent whitening agents with different charged groups. The relevant color properties were tested and analyzed, and the mechanism of action of fluorescent whitening agent on brown cotton pigment was further studied. The results show that the bis(triazing)aminostibene fluorescent whitening agent with a positively charged group at the end has a good deepening effect on NBC; the interaction between FWA and NBC pigment is not a chemical reaction to generate new substances, but physical adsorption is formed on NBC; electrostatic force, van der Waals force and hydrogen bond can affect the physical effect of FWA on brown cotton pigment. The color of NBC treated with FWA is obviously darkened and the color is improved, which has practical value for the development of natural brown cotton products.

Key words: natural brown cotton, pigment, color darkening, fluorescent whitening agent, charged group

中图分类号:

TS111.8

黄鑫涛, 马明波, 周文龙. 荧光增白剂对天然棕色棉色泽的影响及作用机制[J]. 现代纺织技术, 2022, 30(5): 181-187.

HUANG Xintao, MA Mingbo, ZHOU Wenlong. The effect of fluorescent whitening agent on color of natural brown cotton and its mechanism of action[J]. Advanced Textile Technology, 2022, 30(5): 181-187.

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荧光增白剂对天然棕色棉色泽的影响及作用机制

The effect of fluorescent whitening agent on color of natural brown cotton and its mechanism of action

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