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静电喷涂法制备具有低吸附力的超疏水性聚苯乙烯膜 被引量:2

Preparation of Super-hydrophobic PS Surface with Ultra-low Adhesive Force by Electro-spinning
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摘要 采用聚苯乙烯的N,N-二甲基甲酰胺溶液为原料,通过静电喷涂的方法制备了具有微-纳米复合结构的聚苯乙烯膜.通过调节溶液浓度,得到了不同的结构、浸润性及吸附性的表面.当聚苯乙烯的质量分数为5%、分子量为25000时,得到的表面与水的接触角达到167°,吸附力达到15μN,表明该膜表面具有超疏水性的同时对水滴具有很低的吸附力.此外,分子量的大小也对静电喷涂膜表面形貌的变化起重要的作用. Electro-spinning is widely accepted as a simple and versatile technique for producing micro- and nano-structures. Using this method, micro-nano structured polystyrene( PS ) was prepaired by controlling the Concentration of PS/DMF solution. At 5% (mass fraction) PS/DMF solution with PS molecular weight of 250000, the surface shows super-hydrophobieity with water contact angle of about 167° and ultra-low adhesive force to water. Furthermore, molecular weight is also important to the surface morphology of the PS film formed by electro-spinning.
出处 《高等学校化学学报》 SCIE EI CAS CSCD 北大核心 2009年第10期2096-2099,共4页 Chemical Journal of Chinese Universities
基金 国家自然科学基金(批准号:20703007) 大连市优秀青年科技人才基金(批准号:2008J23JH038) 辽宁省科学技术基金(批准号:1050300)资助
关键词 静电喷涂 表面吸附力 超疏水性 聚苯乙烯膜 Electro-spinning Surface adhesive force Super-hydrophobie Polystyrene film
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参考文献19

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共引文献6

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