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Toughened electrospun nanofibers from crosslinked elastomer-thermoplastic blends

✍ Scribed by Jian Fang; Tong Lin; Wendy Tian; Arnav Sharma; Xungai Wang

Publisher
John Wiley and Sons
Year
2007
Tongue
English
Weight
431 KB
Volume
105
Category
Article
ISSN
0021-8995

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✦ Synopsis

Abstract

A crosslink‐able elastomeric polyester urethane (PEU) was blended with a thermoplastic, polyacrylonitrile (PAN), and electrospun into nanofibers. The effects of the PEU/PAN ratio and the crosslinking reaction on the morphology and the tensile properties of the as‐spun fiber mats were investigated. With the same overall polymer concentration (9 wt %), the nanofiber containing higher composition of PEU shows a slight decrease in the average fiber diameter, but the tensile strength, the elongation at break and tensile modulus of the nanofiber mats are all improved. These tensile properties are further enhanced by slight crosslinking of the PEU component within the nanofibers. © 2007 Wiley Periodicals, Inc. J Appl Polym Sci 2007

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