Preparation of Nanofibers with Nanoporous Crystalline Phases by Electrospinning

被引：1
|
作者：
Bertarelli, C. [1 ,2 ]
Zanutta, A. [1 ]
Bianco, A. [5 ]
Daniel, C. [3 ,4 ]
机构：
[1] Politecn Milan, Dipartimento Chim Mat & Ingn Chim G Natta, I-20133 Milan, Italy
[2] IIT PoliMi, Ctr Nano Sci & Technol, Milan, Italy
[3] Univ Salerno, Dipartimento Chim, NANOMATES, Fisciano, Italy
[4] Univ Salerno, INSTM Res Unit, Fisciano, Italy
[5] INAF Osservatorio Astron Brera, Merate, Italy
来源：
SOFT MATERIALS | 2011年 / 9卷 / 2-3期
关键词：
Electrospinning; Nanoporous crystalline phases; Syndiotactic polystyrene; SYNDIOTACTIC POLYSTYRENE GELS; INFRARED-SPECTROSCOPY; STRUCTURAL-CHANGES; PHYSICAL GELATION; HOST PHASE; CONFORMATION; DIFFUSION; AEROGELS; FILMS;
D O I：
10.1080/1539445X.2011.552764
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Syndiotactic polystyrene (sPS) nanofibers with a diameter of 230-720 nm have been prepared via electrospinning of chloroform solutions. The as-spun nanofibers are characterized by an s(2/1)2 helical mesomorphic form but sorption-desorption treatments allow the obtaining of nanofibrous mats characterized by the crystalline nanoporous -form. Sorption studies of 1,2-dichloroethane (DCE) from 50 ppm aqueous solutions show that DCE sorption in the nanofibrous mats occurs principally in the crystalline cavities of the nanofibers at a fast rate but the DCE equilibrium uptake is lower than for other -form morphologies.
引用
收藏
页码：303 / 312
页数：10
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