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Fabrication of PLA-PCL Composite Nanofiber withCore-shell Structure Through Electrospinning
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[1]SI Jun-hui,CUI Zhi-xiang,LIU Qiong,et al.Fabrication of PLA-PCL Composite Nanofiber withCore-shell Structure Through Electrospinning[J].Journal of Zhengzhou University (Engineering Science),2015,36(05):20-.[doi:10.3969/j.issn.1671-6833.2015.05.005]
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Journal of Zhengzhou University (Engineering Science)[ISSN 1671-6833/CN 41-1339/T] Volume: 36 Number of periods: 2015 05 Page number: 20- Column: Public date: 2015-11-29
Title:
Fabrication of PLA-PCL Composite Nanofiber withCore-shell Structure Through Electrospinning
Author(s):
SI Jun-hui1; 2; CUI Zhi-xiang2; LIU Qiong3; WANG Qian-ting1
1.School of Materials Science and Engineering, Zhengzhou University ，Zhengzhou 450001 , China; 2. School of Materials Seci-ence and Engineering .Fujian University of Technology.Fuzhou 350118 ,China
Keywords:
co-axial electrospinning;  core-shell structure; polylactic acid ( PLA ) ;  polycaprolactone ( PCL); composite fiber
CLC:
TQ342
DOI:
10.3969/j.issn.1671-6833.2015.05.005
Abstract:
In this study,polylactic acid ( PLA )-polycaprolactone ( PCL) composite fiber with core-shell struc-ture was fabricated by means of co-axial electrospinning. SEM was employed to study the impacts of electro-spinning voltage,collected distance and ratio of core-shell solution injection speed on morphology of PLA-PCI.composite fiber with core-shell structure. The influences on the formation of the core-shell structure under dif-ferent ratio of core-shell solution injection speed were observed with TEM. The results showed that the obviouscore-shell structure was fabricated when core-shell solution injection speed was 0. 1-0.2 and 0.1-0.3 mL/h.The core component in PLA-PCL composite fiber decreases with the increase of shell solution injection speed.The increasing of electrospinning voltage could efficiently reduce the average diameter of composite fiber. Theaverage diameter of composite nanofiber decreases and then increases with the increase of collection distance.
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