钨酸铋负载涤纶织物的制备及其光催化性能

doi:10.13475/j.fzxb.20161000906

纺织学报 ›› 2017, Vol. 38 ›› Issue (02): 123-128.doi: 10.13475/j.fzxb.20161000906

钨酸铋负载涤纶织物的制备及其光催化性能

收稿日期:2016-10-08 修回日期:2016-11-18 出版日期:2017-02-15 发布日期:2017-02-27

Preparation of bismuth tungstate coated polyester fabric and its photocatalytic activity

Received:2016-10-08 Revised:2016-11-18 Online:2017-02-15 Published:2017-02-27

摘要/Abstract

摘要：

为探讨Bi2WO6负载涤纶织物对染料的降解效果，采用丙烯酸丁酯对涤纶织物进行前处理，将十二烷基硫酸钠(SDS)和Bi2WO6 (简写为SDS-Bi2WO6)、Bi2WO6分别负载到涤纶织物上，得到负载涤纶织物。用扫描电镜、X 射线衍射与傅里叶变换红外光谱表征织物的表面形貌、晶体结构和化学结构。评价负载涤纶织物的抗紫外线性能与拒水性能，并以紫外光照射下降解亚甲基蓝研究其光催化性能。结果表明，合成的Bi2WO6颗粒为正交晶相并且均匀地负载在涤纶织物表面。与SDS-Bi2WO6负载涤纶织物相比，Bi2WO6负载涤纶织物有更好的抗紫外线性能和拒水性能。Bi2WO6负载涤纶织物具有比SDS-Bi2WO6负载涤纶织物更优异的光催化活性，紫外光照射7 h后，其对亚甲基蓝的降解率达到92%。

关键词: 钨酸铋, 涤纶织物, 光催化, 抗紫外, 拒水性

Abstract:

In order to investigate the degradation efficiency of the dyes in the presence of Bi2WO6 coated polyester fabric, the polyester fabrics were treated by butyl acrylate, and then coated with the mixture of sodium dodecyl sulfate (SDS) and Bi2WO6 (denoted as SDS-Bi2WO6), and Bi2WO6, respectively. The surface morphology, crystal structure, particle size and chemical structure of the coated polyester fabrics were characterized by scanning electron microscopy, X-ray diffraction and fourier transform infrared spectroscopy. In addition, the water-repellent property and UV protection of SDS-Bi2WO6 and Bi2WO6 coated polyester fabrics were examined. The photocatalytic activity was evaluated by the degradation of methylene blue (MB) under ultraviolet light irradiation. The results show that the as-synthesis Bi2WO6 particles are orthorhombic phase and are uniformly coated on the surface of polyester fabric. Compared with the SDS-Bi2WO6 coated polyester fabric, the Bi2WO6 coated polyester fabric possesses the excellent UV protection and hydrophobicity properties. Bi2WO6 coated polyester fabric possesses the better photocatalytic activity than the SDS-Bi2WO6 coated polyester fabric. The degradation rate of methylene blue reaches 92% after UV illuminating for 7 h.

Key words: Bi2WO6, polyester fabric, photocatalytic, UV protection, hydrophobic

杜邹菲赵鲁丹郭荣辉兰建武郑光洪. 钨酸铋负载涤纶织物的制备及其光催化性能[J]. 纺织学报, 2017, 38(02): 123-128.

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钨酸铋负载涤纶织物的制备及其光催化性能

Preparation of bismuth tungstate coated polyester fabric and its photocatalytic activity

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