Preparation of atactic poly(vinyl alcohol)/sodium alginate blend nanowebs by electrospinning

被引：0
|
作者：
Lee, Young Jae [1 ]
Shin, Dong Soo [1 ]
Kwon, Oh Wook [1 ]
Park, Won Ho [2 ]
Choi, Han Gon [3 ]
Lee, Yong Rok [4 ]
Han, Sung Soo [1 ]
Noh, Seok Kyun [4 ]
Lyoo, Won Seok [1 ]
机构：
[1] Division of Advanced Organic Materials, School of Textiles, Yeungnam University, Gyeongsan 712-749, Korea, Republic of
[2] Department of Textile Engineering, Chungnam National University, Daejeon 305-764, Korea, Republic of
[3] School of Pharmacy, Yeungnam University, Gyeongsan 712-749, Korea, Republic of
[4] School of Chemical Engineering and Technology, Yeungnam University, Gyeongsan 712-749, Korea, Republic of
来源：
Journal of Applied Polymer Science | 2007年 / 106卷 / 02期
关键词：
Through the blending of a rigid polymer; sodium alginate (SA); and a flexible polymer; atactic polyvinyl alcohol) (PVA); with various ratios of SA and PVA and through the electrospinning of SA/PVA solutions; SA/PVA blend nanowebs were successfully prepared. The structure and morphology of the SA/PVA blend nanowebs were investigated through a series of instrumental analyses. Through the examination of the morphological variations of each blend web; it was found that with only PVA; the electrospun nanowebs had very uniform and fine fiber structures; but the SA/PVA blend nanowebs had a mixture of large beads and fibers; which were generated with increasing SA content. A thermal analysis indicated that the endothermic peaks of the SA/PVA blend nanowebs decreased with an increase in the SA content. The SA content was determined by the observation of the changes in the SA peak intensity via Fourier transform infrared spectroscopy. The tensile strength decreased with increasing SA content. © 2007 Wiley Periodicals; Inc;
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页码：1337 / 1342
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