超疏水海绵和氧化硅的制备及复合油水分离性能研究

发布时间：2018-01-15 20:01

本文关键词：超疏水海绵和氧化硅的制备及复合油水分离性能研究　出处：《功能材料》2017年02期 　论文类型：期刊论文

【摘要】：以正硅酸乙酯和十六烷三甲氧基硅烷的水解和缩聚反应为基础,通过一步法可制备两种不同形态的超疏水材料,即超疏水海绵和超疏水氧化硅粉末。分别利用扫描电镜(SEM)和傅里叶变化红外光谱(FT-IR)表征两种超疏水材料的表面形貌和表面官能团,分析了材料具有超疏水特性的原理,利用接触角(CA)表征了两种材料的特殊浸润性能,说明制备的两种形态材料均具有良好的超疏水-超亲油特性。且通过控制反应溶液中催化剂的浓度可调控超疏水氧化硅粉末的粒径从纳米级到微米级进行变化。同时采用两种不同形态超疏水材料进行油水分离应用,可满足在不同环境下的多样化需求,达到油水分离的最佳效果。
[Abstract]:The hydrolysis and polycondensation of ethyl silicate and sixteen alkyl trimethoxysilane as the basis for preparing two kinds of super hydrophobic materials with different morphology by one-step method, namely super hydrophobic and super hydrophobic silica sponge powder respectively. By using scanning electron microscopy (SEM) and Fu Liye (FT-IR) changes of infrared spectral characterization of two kinds of surface the morphology of super hydrophobic material and surface functional groups, analyzed the principle of material with super hydrophobic properties, using contact angle (CA) to characterize the special infiltration properties of the two kinds of materials, two forms of material preparation have good hydrophobic - superoleophilic characteristics. And by controlling the concentration of catalyst in the reaction solution can control the super hydrophobic silica powder particle size from nanometer to micron level changes. At the same time using two kinds of oil-water separation application of different forms of super hydrophobic materials can meet the diverse needs in different environments, as The best effect of oil and water separation.

【作者单位】：中国工程物理研究院化工材料研究所;
【基金】：化工材料研究所军民融合基金资助项目(JMRH2015-07);化工材料研究所科技创新基金资助项目(KJCX2014-01) 中国工程物理研究院院长基金资助项目(YZ2015010)
【分类号】：TB34
【正文快照】： 0引言随着经济的发展,现代社会产生大量被有机物或油品污染的水源,较为典型的是近几年频发的海洋运输石油泄漏污染事件[1-2],这些污染水源对生态环境造成了极大破坏,传统处理油污染水源的方法主要分为物理法、化学法和生物法[3-5]。物理处理方法效率低,受天气环境影响较大,化

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