Influences of the Impact Property of Nano-SiO2 Fiber/Polypropylene Composite by Electrospun Short SiO2 Fiber

Chem. J. Chinese Universities ›› 2010, Vol. 31 ›› Issue (10): 2088.

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Influences of the Impact Property of Nano-SiO2 Fiber/Polypropylene Composite by Electrospun Short SiO2 Fiber

ZHU Yuan-Chao1, WEN Shi-Peng3, XU Ri-Wei2, ZHANG Li-Qun1, LIU Li2*

1. Key Laboratory of Carbon Fiber and Functional Polymer, Ministry of Education,
2. Key Laboratory of Beijing City on Preparation and Processing of Novel Polymer Materials,
3. Key Laboratory for Nanomaterials, Ministry of Education, Beijing University of Chemical Technology,Beijing 100029, China

Received:2009-12-30 Online:2010-10-10 Published:2010-10-10
Contact: LIU Li. E-mail: LiuL2001cn@yahoo.com.cn
Supported by:
国家“十一五”支撑项目(批准号: 2006BAE03B)及长江学者和创新团队发展计划(批准号: IRT0807)资助.

Abstract

Abstract: The short SiO2 fibers with the diameter of 500 nm were prepared via electrospinning combined with sol-gel of TEOS. After short SiO2 fibers treated with silane coupling agent KH-570, modified nano-SiO2 fiber/polypropylene(n-MSF/PP) composite was obtained by extruding and injecting. SEM observation shows that the interface of short SiO2 fiber and PP matrix is fine and distribution status of SiO2 short fiber in PP matrix is uniform. The DSC and XRD characterization demonstrate that the crystal velocity of n-MSF/PP composite increases and β crystalloid content varies compared with that of neat PP. The impact test shows that the impact property of n-MSF/PP composite increases 40.3% than that of pure PP, when n-MSF content in SiO2 short fiber is 3%.

Key words: Electrospinning, SiO2 short fiber, Polypropylene, Impact property

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ZHU Yuan-Chao, WEN Shi-Peng, XU Ri-Wei, ZHANG Li-Qun, LIU Li*. Influences of the Impact Property of Nano-SiO2 Fiber/Polypropylene Composite by Electrospun Short SiO2 Fiber[J]. Chem. J. Chinese Universities, 2010, 31(10): 2088.

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Influences of the Impact Property of Nano-SiO2 Fiber/Polypropylene Composite by Electrospun Short SiO2 Fiber

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