Electrospun nanofibers with both surface nanopores and internal interpenetrated nanochannels for oil absorption
Guan, JP; Li, JY; Li, YJ; Li, JY (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, CAS Ctr Excellence TMSR Energy Syst, Shanghai 201800, Peoples R China.; Li, JY (reprint author), Univ Chinese Acad Sci, Beijing 100049, Peoples R China.
2016
发表期刊RSC ADVANCES
ISSN2046-2069
卷号6期号:40页码:33781—33788
文章类型期刊文献
摘要Polyoxymethylene (POM) nanofibers with both surface nanopores and internal interpenetrated channels have been fabricated by the electrospinning of POM/poly(L-lactide) (PLLA) blends and followed by the solvent etching of the PLLA component in the fibers. With the fast evaporation of the solvent, vapor-induced phase separation between the solvent and the POM/PLLA blends occurs on the surface of the nanofibers, which leads to numerous nanopores on the surface of the as-spun nanofibers. At the same time, POM and PLLA form a co-continuous structure in the fibers and the subsequent etching of the nanofibers by chloroform induces the removal of PLLA and the formation of the internal nanochannels in the fibers. The fabricated novel porous POM nanofibers with both surface pores and internal channels exhibit a much higher oil absorption capacity than both the neat POM nonwoven fabrics and the POM/PLLA blend nonwoven fabrics. The porous POM nonwoven fabrics from POM/PLLA (70/30) has a pump oil absorption capacity of 115.3 g g(-1), compared to 75.2 g g(-1) for the as-spun POM/PLLA blend and 53.2 g g(-1) for the neat POM nonwoven fabric. It was further found that the novel hierarchical porous structure makes the materials be an ideal alternative for both oil absorption and oil/water separation.
关键词Polystyrene Fibers Sorbent Materials Block-copolymers Porous Polymers Spill Cleanup Fabrication Morphology Separation Water Polyoxymethylene
DOI10.1039/c6ra00678g
收录类别SCI
语种英语
WOS记录号WOS:000374045000065
引用统计
被引频次:7[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/25708
专题中科院上海应用物理研究所2011-2018年
通讯作者Li, JY (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, CAS Ctr Excellence TMSR Energy Syst, Shanghai 201800, Peoples R China.; Li, JY (reprint author), Univ Chinese Acad Sci, Beijing 100049, Peoples R China.
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Guan, JP,Li, JY,Li, YJ,et al. Electrospun nanofibers with both surface nanopores and internal interpenetrated nanochannels for oil absorption[J]. RSC ADVANCES,2016,6(40):33781—33788.
APA Guan, JP,Li, JY,Li, YJ,Li, JY ,&Li, JY .(2016).Electrospun nanofibers with both surface nanopores and internal interpenetrated nanochannels for oil absorption.RSC ADVANCES,6(40),33781—33788.
MLA Guan, JP,et al."Electrospun nanofibers with both surface nanopores and internal interpenetrated nanochannels for oil absorption".RSC ADVANCES 6.40(2016):33781—33788.
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