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http://dx.doi.org/10.5322/JESI.2013.22.2.243

Oil Absorbencies of Fibers of Biodegradable and Microbial Polymers Prepared by Electrospinning Method  

Jang, Ei-Sup (Department of Polymer Engineering, Pukyong National University)
Lee, Won-Ki (Department of Polymer Engineering, Pukyong National University)
Park, Chan-Young (Department of Polymer Engineering, Pukyong National University)
Min, Sung-Kee (Department of Polymer Engineering, Pukyong National University)
Jang, Seong-Ho (Department of Bioenvironmental Energy, Pusan National University)
Publication Information
Journal of Environmental Science International / v.22, no.2, 2013 , pp. 243-249 More about this Journal
Abstract
Fibers of microbial polyesters, poly(3-hydroxy butyrate) (PHB) and poly(3-hydroxy butyrate-co-3-hydroxy valerate) (HB-co-HV) were prepared by electrospinning method. The obtained fibers were evaluated by differential scanning calorimetry, scanning electron microscopy, and oil absorption. The formation of fibers was strongly dependent on a concentration of solution. At a low concentration, the fibers contained beads which is from aggregation of polymer due to short evaporation time. The fine fibers with $2-5{\mu}m$ diameter were obtained at 20 wt% concentration. The contact angle measurement showed that the fiber had higher water contact angle than the film due to the lotus-like effect. Oil absorbency showed that the fiber had higher than the film. Specially, the HB-co-HV fiber which was spinned from 20 wt% absorbed 65% oil which is much higher than that of a normal polypropylene-based oil paper.
Keywords
Microbial polyester; Electrospinning; Lotus effect; Oil absorbency;
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