Preparation and Properties of Highly Monodisperse Spherical Poly(vinylsilsesquioxane) Nanoparticles

doi:10.7503/cjcu20121002

Abstract

Abstract:

In aqueous solution, highly monodisperse spherical poly(vinylsilsesquioxane)(PVSQ) particles with various sizes have been prepared successfully in the presence of surfactant sodium dodecyl benzene sulfo-nate(SDBS) using vinyl triethoxysilane(VTES) as precursor and ammonia hydroxide as catalyst by sol-gel method. The research results show that the amounts of catalyst(NH₃·H₂O) and surfactant(SDBS) have great effects on size and size distribution of PVSQ. However, the amount of precursor(VTES) has unobvious effect on size and size distribution of PVSQ. The shape, size and size distribution, structure, surface property and thermal behavior of the resulting products were analyzed and characterized by field emission scanning electron microscope(FESEM), Fourier transform infrared spectroscopy(FTIR), X-ray photoelectron spectroscopy(XPS) and thermal gravimetric analysis(TGA), respectively.

Key words: Poly(vinylsilsesquioxane), Spherical nanoparticle, Sol-gel method, Monodisperse

CLC Number:

O648.16⁺1

TrendMD:

CHEN Lian-Xi, LI Jie, LI Xi, ZHAI Peng-Cheng, ZHANG Jiang-Tao, ZHANG Zhong-Ming. Preparation and Properties of Highly Monodisperse Spherical Poly(vinylsilsesquioxane) Nanoparticles[J]. Chem. J. Chinese Universities, 2013, 34(6): 1460.

References

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