Thermal and mechanical properties of electrospun PMMA, PVC, Nylon 6, and Nylon 6,6

被引：89

作者：

Carrizales, Clarisa ^{[1
]}

Pelfrey, Sean ^{[1
]}

Rincon, Roman ^{[1
]}

Eubanks, Thomas M. ^{[2
]}

Kuang, Anxiu ^{[2
]}

McClure, Michael J. ^{[3
]}

Bowlin, Gary L. ^{[3
]}

Macossay, Javier ^{[1
]}

机构：

[1] Univ Texas Pan Amer, Dept Chem, Edinburg, TX 78541 USA

[2] Univ Texas Pan Amer, Dept Biol, Edinburg, TX 78541 USA

[3] Virginia Commonwealth Univ, Tissue Engn Lab, Richmond, VA 23284 USA

来源：

POLYMERS FOR ADVANCED TECHNOLOGIES | 2008年 / 19卷 / 02期

关键词：

nanofibers; electrospinning; SEM; thermal properties; mechanical properties; nanotechnology;

D O I：

10.1002/pat.981

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Poly(methyl methacrylate) (PMMA), poly(vinyl chloride) (PVC), Nylon 6, and Nylon 6,6 have been electrospun successfully. The nanofibers have been characterized by scanning electron microscopy (SEM), confirming the presence of bead free and fiber-bead free morphologies. Thermogravimetric analysis (TGA) indicated differences between the thermal stability of PMMA nanofibers and PMMA powder. However, no significant differences were observed between the starting physical form (powder or pellet) of PVC, Nylon 6 and Nylon 6,6, and their corresponding electrospun nanofibers. Differential scanning calorimetry (DSC) demonstrated a lower glass transition temperature (T.) and water absorption for PMMA electrospun nanofibers. Furthermore, electrospun Nylon 6 and Nylon 6,6 had a slight decrease in crystallinity. Tensile testing was performed on the electrospun nanofibers to obtain the Young modulus, peak stress, strain at break, and energy to break, revealing that the non-woven mats obtained had modest mechanical properties that need to be enhanced. Copyright (C) 2007 John Wiley & Sons, Ltd.

引用

页码：124 / 130

页数：7

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