Paper Title:
Transparent Poly(methyl methacrylate)/TiO2 Nanocomposites for UV-Shielding Applications
  Abstract

Transparent poly(methyl methacrylate) (PMMA)/TiO2 nanocomposites have been prepared by solution mixing PMMA with organically soluble titania xerogel. The organically soluble titania xerogel in the form of amorphous phase has been synthesized via a simple sol-gel method, involving hydrolysis of tetrabutyl titanate (TBT) in trifluoroacetic acid (TFA) and gelation. The obtained PMMA/TiO2 nanocomposites were characterized by Fourier transform infrared spectroscopy (FT-IR), transmission electron microscope (TEM), thermogravimetry (TG) and ultraviolet-visible (UV-vis) absorption spectroscopy. The results showed that the interaction between titania nanoparticles and PMMA macromolecular chains led to a homogeneous dispersion of TiO2 in PMMA matrix. The resulting PMMA/TiO2 nanocomposites showed improved thermal stability, high transparency and high UV-shielding efficiency with a small amount of titania xerogel (£3.0 wt%). The present work is of interest for developing a series of transparent UV-shielding nanocomposites.

  Info
Periodical
Advanced Materials Research (Volumes 239-242)
Edited by
Zhong Cao, Xueqiang Cao, Lixian Sun, Yinghe He
Pages
1129-1136
DOI
10.4028/www.scientific.net/AMR.239-242.1129
Citation
X. F. Meng, Z. W. Zhang, N. Luo, "Transparent Poly(methyl methacrylate)/TiO2 Nanocomposites for UV-Shielding Applications", Advanced Materials Research, Vols. 239-242, pp. 1129-1136, 2011
Online since
May 2011
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$32.00
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