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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 562-564Coaxial Electrospinning with N,...

Coaxial Electrospinning with N, N-Dimethylacetamide for Preparing Methacrylate-Based Copolymer Nanofibers

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Abstract:

A modified coaxial electrospinning process is developed for producing thinner methacrylate-based copolymer nanofibers. With Eudragit® L-100 (EL100) as a model and using a poor volatile solvent N, N-dimethylacetamide (DMAc) as sheath fluid, high quality EL100 nanofibers have been successfully generated using the developing coaxial process. SEM observations demonstrate that the nanofibers by the modified process have better quality than those produced by a single fluid electrospinning in terms of surface smoothness, nanofiber diameters and their distributions. The former has an average diameter of 240±30 nm while the later 490±170 nm. The mechanism is proposed that an appropriate DMAc surrounding to the core polymer jet helps to retain it in a fluid state to experience a longer time and more stable electrical drawing. The modified coaxial electrospinning process described here extends the capability of electrospinning process and opens a new way to obtain thinner polymer nanofibers with fine structural uniformity.

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Periodical:

Advanced Materials Research (Volumes 562-564)

Pages:

469-472

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.562-564.469

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Online since:

August 2012

Authors:

Deng Guang Yu, Xia Wang, Wen Jing Zhang, Hao Yang, Ling Ling Li

Keywords:

Coaxial Electrospinning, Methacrylate-Based Copolymers, Nanofiber, Sheath Fluid

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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