紫外线−纳米二氧化钛改性高亲水涤纶织物的制备

纺织学报 ›› 2013, Vol. 34 ›› Issue (3): 82-86.

紫外线−纳米二氧化钛改性高亲水涤纶织物的制备

梁慧¹ 张光先¹ 张凤秀² 吴大洋¹

1. 西南大学纺织服装学院
2. 西南大学化学化工学院

收稿日期:2012-05-08 修回日期:2012-09-08 出版日期:2013-03-15 发布日期:2013-03-07
通讯作者: 张光先 E-mail:zgx656472@sina.com
基金资助:
重庆市科技攻关项目

Preparation of highly hydrophilic polyester fabrics via UV radiation/nano-TiO₂modification

Received:2012-05-08 Revised:2012-09-08 Online:2013-03-15 Published:2013-03-07
Contact: ZHANG Guang-Xian E-mail:zgx656472@sina.com

摘要/Abstract

摘要： 涤纶织物具有良好的洗可穿特性，但亲水性很差。本文研究了超亲水涤纶织物的纳米二氧化钛紫外线制备。结果表明：在纳米二氧化钛浓度为40g/L,照射紫外线60min时，超疏水涤纶织物能够制备为在4.11 s 内接触角变为０°的超亲水性织物。扫描电镜（SEM）显示涤纶纤维表面粗糙，有其它物质。反射紫外光谱排除了是纳米二氧化钛在涤纶纤维上吸附所致的可能性。红外光谱分析表明涤纶纤维表面的物质是氧化所致。X-射线衍射分析表明，改性涤纶纤维的结晶度有所下降；差示扫描量热（DSC）分析表明改性涤纶纤维的热稳定性略有提高。改性后的涤纶织物白度、硬挺度保持良好，褶皱弹性有所提高。该方法工艺简单，改性效果好，是一种绿色改性方法，具有良好的应用前景。

关键词: 紫外线-纳米二氧化钛, 涤纶织物, 亲水性, 氧化, 服用性能

Abstract: Polyester has properties of wash and wear, but a low wettability. The results showed that the super-hydrophobicity of polyester fabrics were quickly transformed to super-hydrophilic fabrics via UV radiation/nano- TiO2 .At the concentration 40g/L of the nano-TiO2 and UV irradiation 60min,the water contact angle of the super-hydrophobicity of polyester fabrics could decrease to zero in 4.11 second. The result of SEM testified that the surface of polyester fiber was rough and has another material; Reflection ultraviolet spectrum excluded the possibility that the nano-TiO2 adhered to the polyester fiber; Infrared spectrum suggested the surface of polyester fiber was oxygenated by air oxygen; X-ray diffraction showed that the crystallinity of polyester fabrics decreased a little; DSC showed that the thermal stability of the polyester fabric increased. The whiteness and rigidity of modified polyester fabrics kept well, and the resilience of fabrics increased a little. This modification technology is not only simple, and has a good effect, but also a green modified method, and has good applications.

Key words: ultraviolet irradiation and nano-TiO2, polyester fabric, hydrophilic, oxidization, wearability

中图分类号:

195.6

梁慧张光先张凤秀吴大洋. 紫外线−纳米二氧化钛改性高亲水涤纶织物的制备[J]. 纺织学报, 2013, 34(3): 82-86.

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