科研之友
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摘要
Caprolactam Schiff base epoxy (CSEp) has been synthesized and characterized by Fourier transform infrared and proton nuclear magnetic resonance (H-1 NMR) spectroscopies. Titanium dioxide (TiO2) has been functionalized with 3-aminopropyltriethoxysilane (F-TiO2), and different weight percentages (1, 3, and 5 wt%) of F-TiO2 were reinforced with CSEp and are cured by caproamine. Thermal properties of CSEp/F-TiO2 composites were characterized using thermogravimetric analysis and differential scanning calorimetry. Data obtained from X-ray diffraction, scanning electron microscopy (SEM), and transmission electron microscopy analyses indicate the homogeneous morphology of composites. The surface morphology of ultraviolet-exposed and -unexposed samples were analyzed using SEM and compared. Results from absorption and transmittance studies infer that the F-TiO2-reinforced hybrid composite materials offer excellent radiation-resistant behavior when compared to that of neat epoxy matrix.
- 出版日期2015-11
