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CAS OpenIR  > 中科院上海应用物理研究所2011-2017年  > 期刊论文
题名:
Electrospun nanofibers with both surface nanopores and internal interpenetrated nanochannels for oil absorption
作者: Guan, JP; Li, JY; Li, YJ
刊名: RSC ADVANCES
出版日期: 2016
卷号: 6, 期号:40, 页码:33781—33788
关键词: POLYSTYRENE FIBERS ; SORBENT MATERIALS ; BLOCK-COPOLYMERS ; POROUS POLYMERS ; SPILL CLEANUP ; FABRICATION ; MORPHOLOGY ; SEPARATION ; WATER ; POLYOXYMETHYLENE
DOI: 10.1039/c6ra00678g
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.
文章类型: 期刊文献
英文摘要: 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.
收录类别: SCI
语种: 英语
WOS记录号: WOS:000374045000065
ISSN号: 2046-2069
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinap.ac.cn/handle/331007/25708
Appears in Collections:中科院上海应用物理研究所2011-2017年_期刊论文

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Recommended Citation:
Guan, JP,Li, JY,Li, YJ. Electrospun nanofibers with both surface nanopores and internal interpenetrated nanochannels for oil absorption[J]. RSC ADVANCES,2016-01-01,6(40):33781—33788.
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文件名: Electrospun nanofibers with both surface nanopores and internal interpenetrated nanochannels for oil absorption.pdf
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