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Polymers 2015, 7(9), 1638-1659; doi:10.3390/polym7091474

Thermal, Mechanical and UV-Shielding Properties of Poly(Methyl Methacrylate)/Cerium Dioxide Hybrid Systems Obtained by Melt Compounding

1
Instituto Politécnico Nacional, CICATA-Altamira, Km 14.5 Carretera Tampico-Puerto Industrial Altamira, C.P. 89600 Altamira, Tamps. Mexico
2
Instituto Politécnico Nacional, CMP+L, Av. Acueducto s/n, Barrio La Laguna, Col. Ticomán, C.P. 07340, México D.F., Mexico
3
Instituto Politécnico Nacional, ESIQIE, Departamento de Metalurgia, C.P. 07738 México D.F., Mexico
4
Instituto Politécnico Nacional, CNMN, Av. Luis Enrique Erro S/N, Unidad Profesional Adolfo López Mateos, Zacatenco, C.P. 07738, México D.F., Mexico
*
Author to whom correspondence should be addressed.
Academic Editor: Lloyd M. Robeson
Received: 30 June 2015 / Revised: 14 August 2015 / Accepted: 29 August 2015 / Published: 7 September 2015
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Abstract

Thick and homogeneous hybrid film systems based on poly(methyl methacrylate) (PMMA) and CeO2 nanoparticles were synthesized using the melt compounding method to improve thermal stability, mechanical and UV-shielding properties, as well as to propose them for use in the multifunctional materials industry. The effect of the inorganic phase on these properties was assessed by using two different weight percentages of synthesized CeO2 nanoparticles (0.5 and 1.0 wt %) with the sol–gel method and thermal treatment at different temperatures (120, 235, 400, 600 and 800 °C). Thereafter, the nanoceria powders were added to the polymer matrix by single screw extrusion. The absorption in the UV region was increased with the crystallite size of the CeO2 nanoparticles and the PMMA/CeO2 weight ratio. Due to the crystallinity of CeO2 nanoparticles, the thermal, mechanical and UV-shielding properties of the PMMA matrix were improved. The presence of CeO2 nanostructures exerts an influence on the mobility of PMMA chain segments, leading to a different glass transition temperature. View Full-Text
Keywords: PMMA; CeO2 nanoparticles; thermal properties; UV-shielding properties PMMA; CeO2 nanoparticles; thermal properties; UV-shielding properties
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Reyes-Acosta, M.A.; Torres-Huerta, A.M.; Domínguez-Crespo, M.A.; Flores-Vela, A.I.; Dorantes-Rosales, H.J.; Andraca-Adame, J.A. Thermal, Mechanical and UV-Shielding Properties of Poly(Methyl Methacrylate)/Cerium Dioxide Hybrid Systems Obtained by Melt Compounding. Polymers 2015, 7, 1638-1659.

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