Preparation and electrospinning of acidified-oxidized potato starch

Wang, Hong Jie, Jin, Xin, Wang, Wen Yu, Xiao, Chang Fa and Tong, Lin 2012, Preparation and electrospinning of acidified-oxidized potato starch, Applied mechanics and materials, vol. 535-537, pp. 2340-2344.

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Title Preparation and electrospinning of acidified-oxidized potato starch
Author(s) Wang, Hong Jie
Jin, Xin
Wang, Wen Yu
Xiao, Chang Fa
Tong, Lin
Journal name Applied mechanics and materials
Volume number 535-537
Start page 2340
End page 2344
Total pages 5
Publisher Trans Tech Publications
Place of publication Stafa-Zurich, Switzerland
Publication date 2012
ISSN 1660-9336
Keyword(s) acidified
carboxyl
electrospinning
oxidized
potato starch
viscosity
Summary This paper investigates the preparation and electrospinning of acidified-oxidized potato starch. In this article, acidified-oxidized potato starch was prepared by adding ammonium persulfate as an oxidizing agent and hydrochloric acid as a catalyst. The effect of reaction time, temperature, the concentration of hydrochloric acid and the content of ammonium persulfate on the viscosity and content of carboxyl were discussed. The optimum reaction conditions were as follows: 1.5 hours ,50℃, 0.5mol/l HCl, 2.5% (NH4)2S2O8. And then, the acidified-oxidized potato starch prepared at the optimum condition was dissolved in dimethyl sulfoxide (DMSO) to be electrospinned by contrast to native starch. Electrospinning of 5wt%-21wt% of modified starch in DMSO produced beads, beaded fibers, and smooth fibers, depending on the concentration range. Smooth fibers were observed until the concentration reached 19wt%, while native starch was 5wt%.
Notes This paper was presented at the 2nd International Conference on Advanced Engineering Materials and Technology, 2012, Zhuhai, China
Language eng
Field of Research 109999 Technology not elsewhere classified
Socio Economic Objective 970110 Expanding Knowledge in Technology
HERDC Research category C1 Refereed article in a scholarly journal
Persistent URL http://hdl.handle.net/10536/DRO/DU:30052659

Document type: Journal Article
Collection: Institute for Frontier Materials
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