期刊
SURFACE & COATINGS TECHNOLOGY
卷 321, 期 -, 页码 484-490出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.surfcoat.2017.05.013
关键词
Accelerated exposure; UV radiation; CeO2 and ZnO nanoparticles; Acrylic hybrid films
资金
- European Union (Woodlife project FP7-NMP-SMALL) [246434]
- UPV/EHU Doktore berriak kontratatzeko eta horiek doktorego ondoko prestakuntza programetan sartzeko laguntza [2984/2014]
- Ministerio de Economia y Competitividad de Espana, Juan de la Cierva en Formacion [FJCI-2014-22336]
This work analyses the effect of UV radiation in a pure acrylic film, and two hybrid films, one with 1% CeO2 nanopartides and another with 1% of ZnO nanoparticles. The long term durability of the polymeric films was studied by accelerated UV exposure ageing. The changes occurring in the polymeric films were analyzed by measuring thermal properties, molecular weight distributions (MWD), formation of cross -linked or gel structures and the morphology by Transmission Electron Microscopy (TEM). The results revealed small changes (almost negligible) in the thermal properties and morphology whereas some differences were found when the microstructure was analyzed. Nevertheless, these differences were similar in the three studied films, discarding any additional degradation effect of CeO2 and ZnO nanoparticles on acrylic films. (C) 2017 Elsevier B.V. All rights reserved.
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