Shear-enhanced solution precipitation : a simple process to produce short polymeric nanofibers

Sutti, Alessandra, Lin, Tong and Wang, Xungai 2011, Shear-enhanced solution precipitation : a simple process to produce short polymeric nanofibers, Journal of nanoscience and nanotechnology, vol. 11, no. 10, pp. 8947-8952.

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Title Shear-enhanced solution precipitation : a simple process to produce short polymeric nanofibers
Author(s) Sutti, Alessandra
Lin, Tong
Wang, Xungai
Journal name Journal of nanoscience and nanotechnology
Volume number 11
Issue number 10
Start page 8947
End page 8952
Total pages 6
Publisher American Scientific Publishers
Place of publication Valencia, Calif.
Publication date 2011-10
ISSN 1533-4880
1533-4899
Keyword(s) polymer nanofibers
solution dispersion
shear-enhanced precipitation
poly(ethylene-co-acrylic acid)
operating parameters
short nanofibers
Summary The growing interest in polymeric nanofibers has been increasing the push for the development of simple and efficient nanofiber-preparation techniques. We herein describe how a conventional solution process is readapted to suit the needs for fast and efficient production of short polymeric nanofibers. Poly(ethylene-co-acrylic acid) (PEAA), a semi-crystalline polymer, was used as model. When a PEAA solution was injected into an alcoholic non-solvent while simultaneously applying high shear to the non-solvent system, PEAA nanofibers were obtained with average diameter as thin as 113 nm and length as short as 4.5 _m. The fiber diameter and length were also adjustable by varying the operating parameters. This one-step technique advances the currently available nanofabrication tools by adjusting a widely accepted concept to the nano-scale. It may constitute a viable method for large-scale production of short polymeric nanofibers.
Language eng
Field of Research 100707 Nanomanufacturing
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2011, American Scientific Publishers
Persistent URL http://hdl.handle.net/10536/DRO/DU:30044129

Document type: Journal Article
Collection: Centre for Material and Fibre Innovation
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