本文關(guān)鍵詞：多酚介導(dǎo)疏水抗紫外織物的制備及性能研究　出處：《武漢紡織大學(xué)》2017年碩士論文　論文類型：學(xué)位論文

  更多相關(guān)文章： 單寧酸 多巴胺 納米ZnO 疏水 抗紫外

【摘要】：由于疏水性材料合成技術(shù)的進(jìn)一步提高,人們已經(jīng)開發(fā)出了各種物理和化學(xué)方法來制備我們所需要的疏水性織物。然而現(xiàn)在的許多方法都比較耗時(shí),且成本較高、污染大,而且制備出的疏水性織物往往功能單一、持久性差,因此如何開發(fā)簡單、低成本的疏水性織物如今已經(jīng)成為該領(lǐng)域的研究重點(diǎn)。本論文以超疏水性表面的制備原理為基礎(chǔ),通過三種不同的方法制備了超疏水抗紫外的多功能性織物。全文主要包括以下三個(gè)方面:第一,通過單寧酸(TA)和鐵Fe(III)的配位組裝作用,然后經(jīng)過十八胺(ODA)處理構(gòu)建了高疏水抗紫外棉織物,獲得的織物具有優(yōu)異的油水分離性能和很高的紫外防護(hù)性(UPF值大于50)。通過全反射傅里葉變換紅外光譜(ATR-FTIR),X射線光電子能譜(XPS),掃描電子顯微鏡(SEM)和原子力學(xué)顯微鏡(AFM)表征改性前后棉織物表面的組成和形貌變化;通過靜態(tài)水接觸角測試(WCA),穩(wěn)定性測試和耐洗性測試研究了改性前后棉織物的潤濕性、耐水洗性和環(huán)境穩(wěn)定性;通過織物透氣性、剛度和色差測試研究了改性前后棉織物的透氣性、手感和顏色變化情況;而且,為了進(jìn)一步確定構(gòu)建超疏水表面的最佳條件,我們還探索了FeCl3和TA的濃度和配比對棉織物表面疏水性的影響。第二,通過溶膠-凝膠法在蠶絲織物表面上一步制備ZnO覆蓋的蠶絲織物,再經(jīng)過多巴胺和正十二硫醇的改性進(jìn)一步構(gòu)建了穩(wěn)固的超疏水ZnO覆蓋的蠶絲織物,該織物表現(xiàn)出良好的抗紫外性。結(jié)果表明,ZnO顆粒均勻地分布在蠶絲織物表面,且涂層密度大。與疏水棉織物相比,ZnO涂覆的蠶絲織物表現(xiàn)出超疏水性(CA=152.10 o)和高紫外線防護(hù)性能(UPF值高于50)。這種超疏水蠶絲織物在反復(fù)磨損下仍然具有極高的穩(wěn)定性,其接觸角也不會明顯降低。這種簡易方法制備的多功能性織物由于其優(yōu)異的抗紫外性,耐洗性和超疏水性能夠被廣泛應(yīng)用。第三,通過簡單的一步化學(xué)浴沉積法將分層的微/納米顆粒ZnO涂覆在蠶絲織物表面上。此外,通過結(jié)構(gòu)分層作用和低表面能物質(zhì)的改性,可以構(gòu)建超疏水ZnO涂覆的蠶絲織物表面(ZnO涂覆的蠶絲),這樣可以實(shí)現(xiàn)蠶絲織物的多功能性,例如高的紫外防護(hù)性(UPF值高于50),洗滌耐久性和油/水分離應(yīng)用。超疏水性ZnO涂覆的蠶絲織物在機(jī)械磨損后依然表現(xiàn)出良好的耐洗性,其接觸角也不會明顯降低。我們還探索了不同濃度的Zn(NO3)2溶液對織物的潤濕性能和微觀結(jié)構(gòu)的影響。通過全反射傅里葉變換紅外光譜(ATR-FTIR),X射線光電子能譜(XPS),掃描電子顯微鏡(SEM)和X射線衍射測試(XRD)表征了處理前后蠶絲織物表面的化學(xué)組成和微觀形貌的變化;通過織物透氣性、剛度和色差測試研究了處理前后棉織物的透氣性、手感和顏色變化情況。
[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.
【學(xué)位授予單位】：武漢紡織大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：TS106

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