基于TiO_2纳米管的仿生超疏水棉织物的制备与性能研究
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摘要
为了提高棉织物的疏水性能,文章基于仿生学原理在织物表面构筑了TiO_2纳米管的多孔网络结构,赋予了棉织物对多重水溶液的超疏液功能和自清洁功能。首先以TiO_2纳米颗粒为原料制备了TiO_2纳米管,随后将全氟辛基三乙氧基硅烷接枝到TiO_2纳米管上,最后通过涂覆法将氟化TiO_2纳米管整理到了棉织物表面。接触角测试结果表明,涂层后棉织物具有良好的超疏液性能,自清洁与抗紫外性能测试亦证明了基于TiO_2纳米管网状涂层的棉织物具有良好的自清洁和抗紫外性能。
To endow the cotton fabric with the superhydrophobic and self-cleaning properties, a porous TiO_2 nanotube network is constructed on its surface based on the bionics principle. TiO_2 nanotubes were prepared by TiO_2 nanoparticles as its raw material. Subsequently, perfluorooctyl triethoxy silane was grafted onto the TiO_2 nanotubes, and finally the fluorinated TiO_2 nanotubes were coated to the surface of the cotton fabric.According to the contact angle test, the results indicated that coated cotton fabric has good superhydrophobic properties. And self-cleaning and UV resistance tests have also demonstrated good self-cleaning and UV resistance based on TiO_2 nanotube mesh coating.
To endow the cotton fabric with the superhydrophobic and self-cleaning properties, a porous TiO_2 nanotube network is constructed on its surface based on the bionics principle. TiO_2 nanotubes were prepared by TiO_2 nanoparticles as its raw material. Subsequently, perfluorooctyl triethoxy silane was grafted onto the TiO_2 nanotubes, and finally the fluorinated TiO_2 nanotubes were coated to the surface of the cotton fabric.According to the contact angle test, the results indicated that coated cotton fabric has good superhydrophobic properties. And self-cleaning and UV resistance tests have also demonstrated good self-cleaning and UV resistance based on TiO_2 nanotube mesh coating.
引文
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[2]李晶,赵世才,李强,等.类水稻叶多尺度表面构筑与各向疏水性[J].科学通报,2017,62(16):1766-1773.
[3]GAO Y F,MASUDA Y,PENG Z F,et al.Room temperature deposition of a TiO2 thin film from aqueous peroxotitanate solution[J].Journal of Materials Chemistry,2003(13):608-613.
[4]ELIZABETH D C M,MOREIRA E D,DINIZ M F,et al.Char-acterization of polymer-coated RDX and HMX particles[J].Prope-llants,Explosives,Pyrotechnics,2008,33(1):44-50.
[5]WOO-SOO K,KEUN B Y,BYEONG-SOO B.Nanopatterning of photonic crystals with a photocurable silica-titania organicinorganic hybrid material by a UV-based nanoimprint technique[J].Journal of Materials Chemistry,2005(15):4535-4539.
[6]FRANCK R,BRUNO M,VIGAY R,et al.Ultrathin TiSiNovercoat protection layer for magnetic media[J].Journal of Vacuum Science&Technology A:Vacuum,Surfaces and Films,2011,29(5):051502-1-051502-11.
[7]郑振荣,顾振亚,霍瑞亭,等.防污自洁聚偏氟乙烯膜的制备与表征[J].建筑材料学报,2010,13(1):36-41,124.