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氟化相变微胶囊的制备与表征
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作者 赵宽 张凯 +2 位作者 王继芬 徐利军 谢华清 《上海第二工业大学学报》 2021年第4期274-279,共6页
采用悬浮聚合法合成了以聚苯乙烯(PS)、聚4-氟苯乙烯(P4FS)和聚2,3,4,5,6-五氟苯乙烯(PPFS)为壳材,正十八烷(OD)为芯材的新型相变微胶囊材料(PS@OD、P4FS@OD和PPFS@OD)。对微胶囊的疏油疏水性能和热物性进行了表征。结果表明,P4FS@OD和P... 采用悬浮聚合法合成了以聚苯乙烯(PS)、聚4-氟苯乙烯(P4FS)和聚2,3,4,5,6-五氟苯乙烯(PPFS)为壳材,正十八烷(OD)为芯材的新型相变微胶囊材料(PS@OD、P4FS@OD和PPFS@OD)。对微胶囊的疏油疏水性能和热物性进行了表征。结果表明,P4FS@OD和PPFS@OD微胶囊的油接触角和水接触角均高于PS@OD微胶囊且分别为82.1°/87.3°和138.5°/146.7°,其平均相变焓相比PS@OD微胶囊分别提升了48.6%和101.9%,达到(125.6±1.6)J/g和(170.6±2.2)J/g。其中PPFS@OD微胶囊的平均粒径最小且为(460±13)nm。综上,引入含氟壳材使得相变微胶囊具有良好储热性能和疏油疏水性能,在清洁材料、储能、恒温建筑等方面有广阔的应用前景。 展开更多
关键词 相变材料 疏油疏水性 热物性 正十八烷
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Femtosecond laser micro/nano fabrication for bioinspired superhydrophobic or underwater superoleophobic surfaces 被引量:11
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作者 ZHU Zhuo WU Jun-rui +3 位作者 WU Zhi-peng WU Ting-ni HE Yu-chun YIN Kai 《Journal of Central South University》 SCIE EI CAS CSCD 2021年第12期3882-3906,共25页
The preparation of superhydrophobic or underwater superoleophobic interface materials has become a research hotspot because of their wide application in self-cleaning, drag reduction, oil-water separation, anti-oil po... The preparation of superhydrophobic or underwater superoleophobic interface materials has become a research hotspot because of their wide application in self-cleaning, drag reduction, oil-water separation, anti-oil pollution and so on. The unique wettability of organisms gives inspiration to design and create new interface materials. This review focuses on the recent research progress of femtosecond laser micro/nano fabrication for bioinspired superhydrophobic or underwater superoleophobic surfaces. This review starts with a presentation of the related background including the advantages of femtosecond laser and wettability theoretical basis. Then, organisms with unique wettability in nature, the preparation of superhydrophobic or underwater superoleophobic surfaces by femtosecond lasers on different materials, and their related important applications are introduced. Finally, the current challenges and future prospects with regard to this field are provided. 展开更多
关键词 femtosecond laser SUPERHYDROPHOBIC underwater superoleophobic BIOINSPIRED WETTABILITY
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