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Cited by 260

The DOI matches its Crossref record; 33 of the 33 references it cites were found in a registry or an index.

Morphology of Porous and Wrinkled Fibers of Polystyrene Electrospun from Dimethylformamide

Pai, Chia-Ling, Boyce, Mary C., Rutledge, Gregory C.·2009·Macromolecules
DOI 10.1021/ma802529h
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Abstract

Submicron diameter fibers of polystyrene are electrospun from solutions in dimethylformamide (DMF). When electrospun in a high-humidity environment, the interior of these fibers was found to be highly porous rather than consolidated, despite the smooth and nonporous appearance of the fiber surfaces. The formation of interior porosity is attributed to the miscibility of water, a nonsolvent for the polymers in solution, with DMF. The resulting morphology is a consequence of the relatively rapid diffusion of water into the jet, leading to a liquid−liquid phase separation that precedes solidification due to evaporation of DMF from the jet. When electrospun in a low-humidity environment, the fibers exhibit a wrinkled morphology that can be explained by a buckling instability. Understanding which morphology forms under a given set of conditions is achieved through the comparison of three characteristic times: the drying time, the buckling time, and the phase separation time. The morphology has important consequences for the properties of the fibers such as their mechanical strength and stiffness.

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Metadata

Authors
Pai, C.-L., Boyce, M. C., & Rutledge, G. C.
Venue
Macromolecules
Publisher
American Chemical Society (ACS)
Published
2009-02-20
Volume
42
Issue
6
Pages
2102-2114
ISSN
  • 0024-9297 (ISSN-L)
  • 1520-5835
DOI
10.1021/ma802529h
OpenAlex
W2056178233
Cited by
260
References
33
FWCI
6.84
Type
journal article
Language
en
Open access
closed

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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.

Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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