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Preparation of Nano-SiO2 Particles Modified by Fluorine Silane Coupling Agent

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Abstract:

In this paper nanoSiO2 particles were prepared with the surface grafted fluorine coupling agents and double bond by using surface modification technology. Dispersion effect of nanoSiO2 particles were studied in different solvents ultrasound cavitation. Test results showed in infrared spectroscopy, TEM and laser particle size distribution analyzer that both F8261 and KH-570 have been grafted onto the surface of nanoSiO2 , particle size and distribution of nanoSiO2 after modified by the two coupling agent became smaller and more narrow; Tg-DSC analysis showed that when the amount of of the coupling agent is up to 10%, fluorine coupling agent and double bond grafted onto surface of nanoSiO2 particles reach the saturation.

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Periodical:

Advanced Materials Research (Volumes 915-916)

Pages:

709-712

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.915-916.709

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Online since:

April 2014

Authors:

Xiao Li Wei, Fa Xing Zhang

Keywords:

Modified, Nano-SiO2 Particle, Ultrasonic

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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