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Received February 16, 2011
Accepted June 28, 2011
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Effects of processing parameters on morphology of electrospun polystyrene nanofibers
Todsapon Nitanan
Praneet Opanasopit†
Prasert Akkaramongkolporn
Theerasak Rojanarata
Tanasait Ngawhirunpat
Pitt Supaphol1
Faculty of Pharmacy, Silpakorn University, Nakhon Pathom 73000, Thailand 1Petroleum and Petrochemical College, Chulalongkorn University, Bangkok 10330, Thailand
praneet@su.ac.th
Korean Journal of Chemical Engineering, February 2012, 29(2), 173-181(9), 10.1007/s11814-011-0167-5
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Abstract
This study focused on the preparation of electrospun polystyrene (PS) nanofibers. PS solutions were prepared in single (dimethylformamide; DMF, dimethylacetamide; DMAc or tetrahydrofuran; THF) and mixed solvent (DMF/THF and DMAc/THF) systems with and without tetrabutylammonium bromide (TBAB) salt. The effects of PS concentration, solvent system, the addition of salt, appearance and diameter of PS fibers were examined. The average diameter_x000D_
of the as-spun fibers increased upon increasing PS concentration. The morphology of the fibers significantly depended on the properties of the solvents. The obtained fibers were smooth without any beads and their diameters were affected by the amount of THF in the solvent and PS concentration. The beads in the fibers disappeared and the fiber diameter significantly decreased after the addition of TBAB. The smallest diameter and the narrowest diameter distribution of PS nanofibers (376±36 nm) were obtained from 15% PS solution in DMAc with 0.025% w/v TBAB.
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Baker SC, Southgate J, Biomaterials., 29, 3357 (2008)
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Jia HF, Zhu GY, Vugrinovich B, Kataphinan W, Reneker DH, Wang P, Biotechnol. Prog., 18(5), 1027 (2002)
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Stasiak M, Roben C, Rosenberger N, Schleth F, Studer A, Greiner A, Wendorff JH, Polymer, 48(18), 5208 (2007)
Sihn S, Kim RY, Huh W, Lee KH, Roy AK, Compos. Sci.Technol., 68, 673 (2008)
Yoshioka T, Bull. Chem. Soc. Jpn., 58, 2618 (1985)
Entov VM, Shmaryan LE, Fluid Dynamics., 32, 696 (1997)
Fong H, Chun I, Reneker DH, Polymer, 40(16), 4585 (1999)
Choi JS, Lee SW, Jeong L, Bae SH, Min BC, Youk JH, Park WH, Int. J. Biol. Macromol., 34, 249 (2004)
Moghe AK, Hufenus R, Hudson SM, Gupta BS, Polymer, 50(14), 3311 (2009)
Lee CK, Kim SI, Kim SJ, Synt. Met., 154, 209 (2005)
Lin K, Chua KN, Christopherson GT, Lim S, Mao HQ, Polymer, 48(21), 6384 (2007)
Zong XH, Kim K, Fang DF, Ran SF, Hsiao BS, Chu B, Polymer, 43(16), 4403 (2002)
Eda G, Shivkumar S, J. Appl. Polym. Sci., 106(1), 475 (2007)
Megelski S, Stephens JS, Chase DB, Rabolt JF, Macromolecules, 35(22), 8456 (2002)
Pattamaprom C, Hongrojjanawiwat W, Koombhongse P, Supaphol P, Jarusuwannapoo T, Rangkupan R, Macromol. Mater. Eng., 291, 840 (2006)
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Katti DS, Robinson KW, Ko FK, Laurencin CT, J. Biomed. Mater. Res. Part B: Appl. Biomaterials., 70B, 286 (2004)
