Morphology study of nanofibers produced by extraction from polymer blend fibers using image processing

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• 作者：Neda Dehghan ; Mohammad Ali Tavanaie…
• 关键词：Polymer Blend Fibers ; Nanofibers ; Morphology ; Draw Ratio ; Image Processing
• 刊名：Korean Journal of Chemical Engineering
• 出版年：2015
• 出版时间：September 2015
• 年：2015
• 卷：32
• 期：9
• 页码：1928-1937
• 全文大小：1,761 KB
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• 作者单位：Neda Dehghan (1)
  Mohammad Ali Tavanaie (1)
  Pedram Payvandy (1)
  
  1. Textile Engineering Department, Faculty of Engineering, University of Yazd, P. O. Box 89195-741, Yazd, Iran
  
• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Industrial Chemistry and Chemical Engineering
  Catalysis
  Materials Science
  Biotechnology
  
• 出版者：Springer New York
• ISSN：1975-7220

文摘

The morphology of nanofibers extracted from the industrial-scale produced polypropylene/polybutylene terephthalate (PP/PBT) blend fibers was studied. To study the morphology and diameter measurements of the nanofibers, image processing method was used, and the results were compared with the results of a conventional visual method. Comparing these two methods indicated the good performance of image processing methods for the measuring of nanofiber diameter. Among the various applied image processing methods, the fuzzy c-means (FCM) method was determined as the best for image thresholding. Additionally, the distance transform method was determined as the best way for measuring nanofiber diameter. According to high regression coefficient (R=0.98) resulting between the draw ratio and nanofibers diameter, the high effectiveness of draw ratio to nanofiber diameter is concluded. The spherical (drop) shapes of the PBT dispersed phase particles were eventually deformed into very thin fibrils during the drawing process. The results of measuring the nanofiber diameters showed that the diameter means of nanofibers varied from 420 nm to 175 nm with the highest draw ratio. Good uniformity for diameter of nanofibers was observed, which had not been observed in previous works. Keywords Polymer Blend Fibers Nanofibers Morphology Draw Ratio Image Processing