摘要
为探讨Bi_2WO_6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Bi_2WO_6(SDS-Bi_2WO_6)、Bi_2WO_6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与拒水性能,并在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Bi_2WO_6颗粒为正交晶相并且均匀地负载在涤纶织物表面。与SDS-Bi_2WO_6负载涤纶织物相比,Bi_2WO_6负载涤纶织物有更好的抗紫外线性能和拒水性能。Bi_2WO_6负载涤纶织物具有比SDS-Bi_2WO_6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%。
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. BizWO6 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.
出处
《纺织学报》
EI
CAS
CSCD
北大核心
2017年第2期123-128,共6页
Journal of Textile Research
基金
国家自然科学基金资助项目(51203099)
关键词
钨酸铋
涤纶织物
光催化
抗紫外
拒水性
Bi2W06
polyester fabric
photocatalytic
UV protection
hydrophobic
