Formation and characterization of core sheath nanofibers through electrospinning and surface initiated polymerization
Yazarlar (9)
Liwen Ji
North Carolina State University
Zhan Lin
North Carolina State University
Ying Li
North Carolina State University
Shuli Li
North Carolina State University
Yinzheng Liang
North Carolina State University
Doç. Dr. Ozan TOPRAKÇI North Carolina State University, Amerika Birleşik Devletleri
Quan Shi
North Carolina State University
Xiangwu Zhang
North Carolina State University
Makale Türü Özgün Makale (SSCI, AHCI, SCI, SCI-Exp dergilerinde yayınlanan tam makale)
Dergi Adı Polymer
Dergi ISSN 0032-3861 Wos Dergi Scopus Dergi
Dergi Tarandığı Indeksler SCI-Expanded
Makale Dili İngilizce Basım Tarihi 09-2010
Cilt / Sayı / Sayfa 51 / 19 / 4368–4374 DOI 10.1016/j.polymer.2010.07.042
Makale Linki http://linkinghub.elsevier.com/retrieve/pii/S0032386110006555
Özet
Novel core-sheath nanofibers, composed of polyacrylonitrile (PAN) core and polypyrrole (PPy) sheath with clear boundary between them, were fabricated by electrospinning PAN/FeCl3·6H2O bicomponent nanofibers and the subsequent surface-initiated polymerization in a pyrrole-containing solution. By adjusting the concentration of FeCl3·6H2O, the surface morphology of PPy sheath changed from isolated agglomerates or clusters to relatively uniform thin-film structure. Thermal properties of PAN-PPy core-sheath nanofibers were also characterized. Results indicated that the PPy sheath played a role of inhibitor and retarded the complex chemical reactions of PAN during the carbonization process.
Anahtar Kelimeler
Polyacrylonitrile | Polypyrrole | Electrospinning