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Int. J. Mol. Sci. 2007, 8(7), 680-685; doi:10.3390/i8070680

The Preparation and Characterization of Poly(m-phenylene- isophthalamide) Fibers Using Ionic Liquids

State Key Laboratory for Modification of Fibers Materials, Donghua University, Shanghai 200051, People’s Republic of China
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Received: 12 March 2007 / Revised: 14 May 2007 / Accepted: 20 June 2007 / Published: 17 July 2007
(This article belongs to the Special Issue Ionic Liquids)
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Abstract

A process to produce fibers from Poly(m-phenyleneisophthalamide)(PMIA)solution in an ionic liquid via wet-spinning technology are described. The spinning processwas investigated on a small laboratory scale. Ionic liquid spinning solutions were firstprepared for PMIA fibers, followed by wet spinning. In the course of this research, thephysical properties of the PMIA fibers were estimated. We studied the dependence of themechanical properties of the obtained PMIA fibers on the composition of the coagulationbath, and on the choice of solvent in spinning solution. The morphology of the fibers fromionic liquid and traditional DMAc solvents via wet-spinning process were observed byscanning electrical microscopy(SEM). The differences of morphologies and properties ofthe PMIA fibers obtained from two different solvents are discussed.
Keywords: poly(m-phenyleneisophthalamide); ionic liquid; wet-spinning. poly(m-phenyleneisophthalamide); ionic liquid; wet-spinning.
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Zhao, T.; Wang, H.; Zhang, Y.; Wang, B.; Jiang, J. The Preparation and Characterization of Poly(m-phenylene- isophthalamide) Fibers Using Ionic Liquids. Int. J. Mol. Sci. 2007, 8, 680-685.

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