Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/33158
Title: UV resistibility of a nano-ZnO/glass fibre reinforced epoxy composite
Authors: Wong, TT
Lau, KT 
Tam, WY
Leng, J
Etches, JA
Issue Date: 2014
Publisher: Elsevier
Source: Materials and design, 2014, v. 56, p. 254-257 How to cite?
Journal: Materials and design 
Abstract: The harmfulness of ultraviolet (UV) radiation (UVR) to human health and polymer degradation has been the focus recently in all engineering industries. A polymer-based composite filled with nano-ZnO particles can enhance its UV resistibility. It has been found that the use of appropriate amount of nano-ZnO/Isopropyl alcohol solvent to prepare a UV resistant nano-ZnO/glass fibre reinforced epoxy (ZGFRE) composite can effectively block the UV transmission with negligible influence on the crystal structure of its resin system. This paper aims at investigating the interfacial bonding behaviour and UV resistibility of a ZGFRE composite. The solvent effect in relation to the dispersion properties of ZnO in the composite is also discussed. XRD results indicated that 20. wt% Isopropyl alcohol was an effective solvent for filling nano-ZnO particles into an epoxy. SEM examination also showed that the bonding behaviour between glass fibre and matrix was enhanced after filling 20. wt% nano-ZnO particles with 20. wt% Isopropyl alcohol into the composite. Samples filled with 20. wt% nano-ZnO/Isopropyl alcohol and 40. wt% nano-ZnO/Isopropyl alcohol has full absorption of UVA (315-400. nm), UVB (280-315. nm) and a part of UVC (190-280. nm).
URI: http://hdl.handle.net/10397/33158
ISSN: 0264-1275
EISSN: 1873-4197
DOI: 10.1016/j.matdes.2013.11.014
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