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化工新型材料  2019, Vol. 47 Issue (4): 258-262    
  开发与应用 本期目录 | 过刊浏览 | 高级检索 |
一种用于高效油水分离的超亲水/水中超疏油改性聚氨酯海绵的制备
曹哲,黄艳芬,黄国成,吕早生*
武汉科技大学化学与化工学院,武汉430081
Superhydrophilic/underwater superhydrophobic modified polyurethane sponge for effective oil-water separation
Cao Zhe Huang, Yanfen, Huang Guocheng, Lv Zaosheng
School of Chemical Engineering and Technology,Wuhan University of Science and Technology,Wuhan 430081
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摘要 采用了一种简单、高效和环保的材料和方法用于油水分离,即使用戊二醛在聚氨酯海绵表面均匀覆盖一层聚乙烯醇/壳聚糖/SiO2(PVA/CS/SiO2)复合涂层,使其达到超亲水/水中超疏油的特点。这种新型的改性海绵可以用于持续的油水分离,不仅可以分离大豆油、泵油和硅油与水的混合物,而且具有超强的耐腐蚀性,可以分离酸性和碱性的含油废水。通过使用扫描电子显微镜来表征它表面粗糙结构和热重分析仪表征它良好的热稳定性。结果表明:当聚合物与SiO2质量比为1∶2时,改性海绵油水分离的效率最佳,可以达到98.4%左右。因此,本研究中的改性海绵是一种操作简单和绿色环保的材料。
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曹哲
黄艳芬
黄国成
吕早生
关键词:  超亲水  水中超疏油  壳聚糖  SiO2  油水分离    
Abstract: A simple,efficient and environmental friendly material and method was used for oil-water separation,using a uniformcoating of PVA/chitosan and SiO2composite on the surface of polyurethane sponge with glutaraldehyde to achieve superhydrophilic/underwater superhydrophobic properties.This new modified sponge can be used for continuous oil-water separation,separating not only soybean oil,pump oil and silicone oil from water,but also acidic and alkaline oily wastewater with superior corrosion resistance.Its surface roughness was characterized by using high power scanning electron microscopy and good thermal stability was characterized by using thermogravimetric analysis.In addition,the best efficiency of modified sponge for oil-water separation was up to about 98.4% when the mass ratio of polymer to SiO2 was 1∶2.So it was a simple and environmental friendly materials.
Key words:  superhydrophilicity    underwater superoleophobicity    chitosan    silica    oil/water separation
                    发布日期:  2019-05-20      期的出版日期:  2019-05-20
基金资助: 武汉科技大学青年科技骨干培育计划(2017xz010);湖北省教育厅科学技术研究计划青年人才项目(Q20171108)
通讯作者:  吕早生(1961-),男,教授,主要从事有机中间体合成工艺的研究。   
作者简介:  曹哲(1994-),女,硕士研究生,主要从事亲水材料的研究。
引用本文:    
曹哲,黄艳芬,黄国成,吕早生. 一种用于高效油水分离的超亲水/水中超疏油改性聚氨酯海绵的制备[J]. 化工新型材料, 2019, 47(4): 258-262.
Cao Zhe Huang, Yanfen, Huang Guocheng, Lv Zaosheng. Superhydrophilic/underwater superhydrophobic modified polyurethane sponge for effective oil-water separation. New Chemical Materials, 2019, 47(4): 258-262.
链接本文:  
http://www.hgxx.org/CN/  或          http://www.hgxx.org/CN/Y2019/V47/I4/258
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