CAS OpenIR  > 中科院上海应用物理研究所2011-2018年
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
Source PublicationRSC ADVANCES
ISSN2046-2069
Volume6Issue:40Pages:33781—33788
Subtype期刊文献
AbstractPolyoxymethylene (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.
KeywordPolystyrene Fibers Sorbent Materials Block-copolymers Porous Polymers Spill Cleanup Fabrication Morphology Separation Water Polyoxymethylene
DOI10.1039/c6ra00678g
Indexed BySCI
Language英语
WOS IDWOS:000374045000065
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/25708
Collection中科院上海应用物理研究所2011-2018年
Corresponding AuthorLi, 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.
Recommended Citation
GB/T 7714
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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