Journal
JOURNAL OF POLYMER RESEARCH
Volume 18, Issue 2, Pages 179-185Publisher
SPRINGER
DOI: 10.1007/s10965-010-9405-5
Keywords
UV-cured; Nanocomposite; Combustion; Thermal behavior; OZrP
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Funding
- Program for Specialized Research Fund for the Doctoral Program of Higher Education [200803580008]
- Program for Science and Technology of SuZhou [SG-0841]
- State Key Laboratory of Environmental Adaptability for Industrial Product
- University of Science and Technology of China
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The bisphenol A epoxy acrylate resin containing a small amount of organically modified alpha-zirconium phosphate (alpha-ZrP) was cured within seconds upon UV irradiation at ambient temperature. The UV-curing behavior was investigated by fourier transformedinfrared spectroscopy (FTIR). The microstructures were characterized by X-ray diffraction (XRD) and transmission electron microscopy (TEM). The transparency and the combustion were examined by the UV-vis transmission spectra and Microscale Combustion Calorimeter (MCC), respectively. The ultraviolet-visible spectra of the cured films showed no obvious absorbance over a range of 400-800 nm, which revealed that the cured films were transparent. The results of MCC revealed that heat release rate (HRR) of the films decreased with the contents of organic alpha-ZrP (OZrP). Thermal behavior of the cured films was studied by thermogravimetric analysis (TGA), which indicated that with increasing the contents of OZrP, the char yields of UV-cured films were enhanced. Viscoelastic property of photocured nanocomposites was evaluated by dynamic-mechanical analysis. The effects of OZrP on the properties of UV curable films were critically evaluated in this paper.
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