二甲基硅油增强聚甲基丙烯酸甲酯超疏水复合纤维膜制备及其性能研究

doi:10.19491/j.issn.1001-9278.2020.04.008

中国塑料 ›› 2020, Vol. 34 ›› Issue (4): 42-48.DOI: 10.19491/j.issn.1001-9278.2020.04.008

二甲基硅油增强聚甲基丙烯酸甲酯超疏水复合纤维膜制备及其性能研究

刘志²(), 吴波², 候广开¹, 阮方涛¹

^1.安徽工程大学，纺织服装学院，安徽芜湖 241000
^2.中电科芜湖钻石飞机制造有限公司，安徽芜湖 241000

收稿日期:2019-11-21 出版日期:2020-04-26 发布日期:2020-04-26
基金资助:
安徽省自然科学基金青年基金(1908085QE223)

Preparation and Performance Investigation of Superhydrophobic PMMA/Simethicone Complex Membranes

Zhi LIU²(), Bo WU², Guangkai HOU¹, Fangtao RUAN¹

^1.School of Textile and Garment, Anhui Polytechnic University, Wuhu 241000，China
^2.China Electronics Corporation Technology, Wuhu Diamond Aircraft Manufacture Co, Ltd, Wuhu 241000, China

Received:2019-11-21 Online:2020-04-26 Published:2020-04-26
Contact: Zhi LIU E-mail:liuzhi@ahpu.edu.cn

摘要/Abstract

摘要：

添加油相本身在纺丝液中，通过静电纺丝技术，一步法得到超疏水二甲基硅油/聚甲基丙烯酸甲酯（S/PMMA）复合纤维膜。系统研究了不同纺丝液浓度下添加二甲基硅油、同样浓度不同二甲基硅油含量对纤维形貌和纤维膜润湿性的影响。结果表明，随着油相含量的增多，呈现出串珠纤维，且珠的体积呈变大趋势；当S/PMMA质量比为8∶6时，纤维膜表现出超疏水特性（水接触角150.6°），这是由于增大的珠子捕获了更多的空气，减少了界面处水相与纤维膜间的接触面积。

关键词: 纳米纤维, 超疏水, 油水分离, 聚甲基丙烯酸甲酯

Abstract:

In this study, a type of superhydrophobic poly(methyl methacrylate) (PMMA)/simethicone complex membranes was fabricated by a one?step electrospinning technology, and the effects of PMMA and simethicone concentrations on the fiber morphology and membrane wettability were investigated systemically. The SEM observation indicated that there were beaded fibers appearing with an increase of oil content, and the bead volume also increased. The complex membranes exhibited a superhydrophobic nature with a water contact angle 150.6° at the PMMA/simethicone mass ratio of 6/8. This phenomenon could be explained by the fact that the increased bead could capture more air and therefore reduced the contact area between the water phase and membrane interface. This fabrication method can control the hydrophobic property easily by adjusting the proportion of oil phase and benefits the preparation of special wettability surface and the application in oil?water separation accordingly.

Key words: nanofibers, superhydrophobic, oil?water separation, poly (methyl methacrylate)

中图分类号:

TQ 323

刘志, 吴波, 候广开, 阮方涛. 二甲基硅油增强聚甲基丙烯酸甲酯超疏水复合纤维膜制备及其性能研究[J]. 中国塑料, 2020, 34(4): 42-48.

Zhi LIU, Bo WU, Guangkai HOU, Fangtao RUAN. Preparation and Performance Investigation of Superhydrophobic PMMA/Simethicone Complex Membranes[J]. China Plastics, 2020, 34(4): 42-48.

图/表 10

样品编号	S/PMMA质量比	纺丝液浓度/%
1^#	0∶6	12
2^#	0∶6	14
3^#	0∶6	16
4^#	1∶6	12
5^#	1∶6	14
6^#	1∶6	16
7^#	3∶6	14
8^#	6∶6	14
9^#	8∶6	14

表1 S/PMMA复合膜制备参数

Tab.1 The preparation parameter of S/PMMA membrane

图 1 S/PMMA复合膜制备示意图

Fig.1 The schematic diagram of the preparation process of S/PMMA membrane

图2 不同PMMA浓度时添加二甲基硅油前后纤维膜的形貌照片（放大倍数为2 000，内部嵌入图片放大倍数为10 000） Fig.2　The membrane morphology of S/PMMA membrane with the addition of simethicone at different PMMA concentrations (the figure magnification is 2 000, the magnification of insert figure is 10 000)

图3 不同浓度添加二甲基硅油前后纤维平均直径图（S/PMMA质量比为1∶6） Fig.3　The fiber diameter of S/PMMA membrane with the addition of simethicone at different PMMA concentrations (S/PMMA = 1∶6)

图4 不同二甲基硅油含量下PMMA纤维膜形貌图

Fig.4 The fiber morphology of S/PMMA membrane with the addition of simethicone at different weight ratio of S/PMMA

样品编号	S/PMMA质量比	串珠平均直径/μm
5^#	1∶6	0
7^#	3∶6	25.3±4.4
8^#	6∶6	30.9±4.7
9^#	8∶6	34.2±4.6

表 2 不同质量比S/PMMA下纤维膜串珠平均直径

Tab.2 The bead diameter of S/PMMA membrane with the addition of simethicone at different weight ratio of S/PMMA

图5 添加二甲基硅油前后PMMA纤维膜的FTIR谱图

Fig. 5 FTIR spectrum of PMMA membrane with and without simethicone

图6 添加二甲基硅油前后PMMA纤维膜的XRD谱图

Fig. 6 XRD spectrum of PMMA membrane with and without simethicone

图 7 PMMA纤维膜润湿性能

Fig.7 The wettability of PMMA membrane

图 8 浓度14 %为时加入二甲基硅油前后纤维膜的力学性能

Fig.8 The membrane mechanical property with and without silicone oil (14 % concentration)

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二甲基硅油增强聚甲基丙烯酸甲酯超疏水复合纤维膜制备及其性能研究

Preparation and Performance Investigation of Superhydrophobic PMMA/Simethicone Complex Membranes

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