Orthogonal design study on factors affecting the degradation of polylactic acid fibers of melt electrospinning

Melt electrospinning is a much simpler and safer method in the production of ultra‐fine fibers compared with solution electrospinning. However, high‐spinning temperature usually leads to serious degradation of polymer materials. In determining factors that affect the relative molecular mass of polyl...

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Veröffentlicht in:Journal of applied polymer science 2012-08, Vol.125 (4), p.2652-2658
Hauptverfasser: Zhao, Fengwen, Liu, Yong, Yuan, Huilin, Yang, Weimin
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creator Zhao, Fengwen
Liu, Yong
Yuan, Huilin
Yang, Weimin
description Melt electrospinning is a much simpler and safer method in the production of ultra‐fine fibers compared with solution electrospinning. However, high‐spinning temperature usually leads to serious degradation of polymer materials. In determining factors that affect the relative molecular mass of polylactic acid (PLA) fibers during melt electrospinning, an orthogonal design method was used to examine the influence of melting temperature, spinning distance, and species and content of antioxidants. Results showed that antioxidant content at the present three levels (i.e., 0.1%, 0.3%, and 0.5%) has the most considerable effect on the relative molecular mass of PLA fibers. Error analysis showed that changes in temperature, distance, and antioxidant content influence the experiment's results significantly. All interaction effects were larger than those of the single factor in the experimental results. © 2012 Wiley Periodicals, Inc. J Appl Polym Sci, 2012
doi_str_mv 10.1002/app.36426
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subjects antioxidant
Antioxidants
Applied sciences
Compounding ingredients
Degradation
Design engineering
Design factors
Electrospinning
Exact sciences and technology
Fibers
Fibers and threads
Forms of application and semi-finished materials
Materials science
melt electrospinning
Melts
Polylactic acid
Polymer industry, paints, wood
Polymers
relative molecular mass
Stabilizers (antioxydants, antiozonants, etc.)
Technology of polymers
title Orthogonal design study on factors affecting the degradation of polylactic acid fibers of melt electrospinning
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