多酚介导疏水抗紫外织物的制备及性能研究

发布时间：2017-12-27 09:39

本文关键词：多酚介导疏水抗紫外织物的制备及性能研究　出处：《武汉纺织大学》2017年硕士论文　论文类型：学位论文

更多相关文章： 单宁酸 多巴胺 纳米ZnO 疏水 抗紫外

【摘要】：由于疏水性材料合成技术的进一步提高,人们已经开发出了各种物理和化学方法来制备我们所需要的疏水性织物。然而现在的许多方法都比较耗时,且成本较高、污染大,而且制备出的疏水性织物往往功能单一、持久性差,因此如何开发简单、低成本的疏水性织物如今已经成为该领域的研究重点。本论文以超疏水性表面的制备原理为基础,通过三种不同的方法制备了超疏水抗紫外的多功能性织物。全文主要包括以下三个方面:第一,通过单宁酸(TA)和铁Fe(III)的配位组装作用,然后经过十八胺(ODA)处理构建了高疏水抗紫外棉织物,获得的织物具有优异的油水分离性能和很高的紫外防护性(UPF值大于50)。通过全反射傅里叶变换红外光谱(ATR-FTIR),X射线光电子能谱(XPS),扫描电子显微镜(SEM)和原子力学显微镜(AFM)表征改性前后棉织物表面的组成和形貌变化;通过静态水接触角测试(WCA),稳定性测试和耐洗性测试研究了改性前后棉织物的润湿性、耐水洗性和环境稳定性;通过织物透气性、刚度和色差测试研究了改性前后棉织物的透气性、手感和颜色变化情况;而且,为了进一步确定构建超疏水表面的最佳条件,我们还探索了FeCl3和TA的浓度和配比对棉织物表面疏水性的影响。第二,通过溶胶-凝胶法在蚕丝织物表面上一步制备ZnO覆盖的蚕丝织物,再经过多巴胺和正十二硫醇的改性进一步构建了稳固的超疏水ZnO覆盖的蚕丝织物,该织物表现出良好的抗紫外性。结果表明,ZnO颗粒均匀地分布在蚕丝织物表面,且涂层密度大。与疏水棉织物相比,ZnO涂覆的蚕丝织物表现出超疏水性(CA=152.10 o)和高紫外线防护性能(UPF值高于50)。这种超疏水蚕丝织物在反复磨损下仍然具有极高的稳定性,其接触角也不会明显降低。这种简易方法制备的多功能性织物由于其优异的抗紫外性,耐洗性和超疏水性能够被广泛应用。第三,通过简单的一步化学浴沉积法将分层的微/纳米颗粒ZnO涂覆在蚕丝织物表面上。此外,通过结构分层作用和低表面能物质的改性,可以构建超疏水ZnO涂覆的蚕丝织物表面(ZnO涂覆的蚕丝),这样可以实现蚕丝织物的多功能性,例如高的紫外防护性(UPF值高于50),洗涤耐久性和油/水分离应用。超疏水性ZnO涂覆的蚕丝织物在机械磨损后依然表现出良好的耐洗性,其接触角也不会明显降低。我们还探索了不同浓度的Zn(NO3)2溶液对织物的润湿性能和微观结构的影响。通过全反射傅里叶变换红外光谱(ATR-FTIR),X射线光电子能谱(XPS),扫描电子显微镜(SEM)和X射线衍射测试(XRD)表征了处理前后蚕丝织物表面的化学组成和微观形貌的变化;通过织物透气性、刚度和色差测试研究了处理前后棉织物的透气性、手感和颜色变化情况。
[Abstract]:Due to the further improvement of the synthesis of hydrophobic materials, a variety of physical and chemical methods have been developed to prepare the hydrophobic fabrics we need. However, many of the current methods are time-consuming, expensive and polluted. The hydrophobic fabrics often have single function and poor durability. Therefore, how to develop simple and low-cost hydrophobic fabrics has become the research focus in this field. In this paper, based on the principle of superhydrophobic surface preparation, ultra hydrophobic and ultraviolet resistant multifunctional fabrics have been prepared by three different methods. The paper mainly includes the following three aspects: first, by tannic acid (TA) and iron Fe (III) coordination assembly, and then after eighteen amine (ODA) treatment was constructed with high hydrophobic anti ultraviolet cotton fabric, the fabric has excellent water separation properties and high UV protection (the UPF value is greater than 50). The total reflection Fourier transform infrared spectroscopy (ATR-FTIR), X ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM) and atomic force microscope (AFM) to characterize the change of the surface composition and morphology of the cotton fabric before and after; through the static water contact angle test (WCA), and the washing fastness test to test the stability of modified before and after the cotton fabric wettability, water resistance and environmental stability; through the fabric air permeability, stiffness and color test of modified cotton fabrics before and after the air permeability, texture and color change; and, in order to further determine the best conditions for construction of super hydrophobic surface, we also explored effect of FeCl3 and TA concentration and the ratio of hydrophobic surface of cotton fabric. Second, the ZnO covered silk fabric was further prepared on the surface of silk fabric by sol-gel method. Then, a stable super hydrophobic ZnO covered silk fabric was further constructed through modification of dopamine and normal twelve mercaptan, which showed excellent UV resistance. The results show that the ZnO particles are evenly distributed on the surface of silk fabric, and the density of the coating is large. Compared with the hydrophobic cotton fabric, ZnO coated silk fabric superhydrophobicity (CA=152.10 o) and high performance UV protection (above UPF 50). The super hydrophobic silk fabric still has high stability under repeated abrasion, and its contact angle will not decrease obviously. The multifunctional fabric prepared by this simple method can be widely used because of its excellent UV resistance, washability and superhydrophobicity. Third, the layered micro / nano particle ZnO was coated on the silk fabric surface by a simple one step chemical bath deposition method. In addition, the hierarchical structure and low surface energy material modification, can build a super hydrophobic ZnO coated silk fabric surface (ZnO coated silk), so as to realize multifunctional silk fabrics, such as high UV protection (UPF value higher than 50), washing durability and oil / water separation application. The silk fabric coated with super hydrophobic ZnO still shows good washability after mechanical wear, and the contact angle will not decrease obviously. We also explored the effects of different concentrations of Zn (NO3) 2 solution on the wettability and microstructure of the fabric. The total reflection Fourier transform infrared spectroscopy (ATR-FTIR), X ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM) and X ray diffraction (XRD) to characterize the changes of chemical composition and microstructure before and after the treatment of silk fabric surface; the fabric air permeability, stiffness and color test study before and after the treatment of cotton fabric permeability, texture and color change.
【学位授予单位】：武汉纺织大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：TS106

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