Silica@Polymers Coaxial Nanofibers

Abstract

Abstract: The preparation and formation mechanism of silica/polyvinylpyrrolidone(PVP)-polyacrylonitrile(PAN) coaxial nanofibers were presented in this paper. The PVP-PAN composite nanofibers were obtained via an electrospinning technique, while SiO₂ nanoparticles were prepared according to a Stber method. The measurements of water contact angle(WCA), the compared results of silica coating PVP-PAN composite nanofibers with PAN nanofibers indicate that much PVP resided on the composite nanofiber surface, which results in the occurrence of SiO₂@polymer coaxial nanofibers due to the formation of hydrogen bonding between silica and composite nanofibers and subsequent adsorption of silica on the fiber surface.

Key words: Electrospinning, Composite nanofibers, SiO₂ nanoparticles, Coaxial nanofibers

CLC Number:

O631

TrendMD:

HONG You-Liang, SHANG Tie-Cun, JIN Yu-Wei, YANG Fan, WANG Ce . Silica@Polymers Coaxial Nanofibers[J]. Chem. J. Chinese Universities, 2005, 26(5): 985.

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Silica@Polymers Coaxial Nanofibers

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