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Preparation and experimental parameters analysis of laser melt electrospun poly( L ‐lactide) fibers via orthogonal design
Author(s) -
Li Xiuyan,
Liu Huichao,
Liu Jianli,
Wang Jiaona,
Li Congju
Publication year - 2012
Publication title -
polymer engineering and science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.503
H-Index - 111
eISSN - 1548-2634
pISSN - 0032-3888
DOI - 10.1002/pen.23138
Subject(s) - materials science , electrospinning , volumetric flow rate , fiber , laser , composite material , voltage , melt flow index , current (fluid) , polymer , optics , electrical engineering , physics , quantum mechanics , engineering , copolymer
Laser melt electrospinning is a novel technology to produce micro/nanofibers. This solvent‐free process is more suitable for biomedical applications. In this work, the electrospun poly( L ‐lactide) (PLLA) fibers with diameters ranging from 2 to 7 μm were prepared by this method, and four influencing factors of melt flow rate (MFR), laser current, collector distance, and applied voltage were investigated on the PLLA fiber diameters and its standard deviation (SD) with an orthogonal design method. The results of range analysis showed the order of significance levels as follows: applied voltage, laser current, collector distance, and MFR for fiber diameter. The SD of fiber diameter can be listed in the following order: applied voltage, MFR, laser current, and collector distance. POLYM. ENG. SCI., 52:1964–1967, 2012. © 2012 Society of Plastics Engineers

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