Affiliation:
1. Baicheng Yocational and Technical College
2. Dirui Medical Technology Co.,Ltd
3. Johnson Controls Automotive Systems Co.Ltd
Abstract
In order to study the impact of nanoZnO on the mechanical properties of PLA, nanoZnO modified with different surface treatment agents (titanium ester NDZ-201,silane coupling agent KH550 ) was added to PLA matrix. The samples were examined by fourier transform infrared (FT-IR) spectroscopy, mechanical properties and SEM. The results show that infrared spectra of nanoZnO modified with different treatment agents include two peaks at 2852cm-1and 2925 cm-1, which are corresponding to C-H stretching vibration, peak at 1735cm-1which is corresponding to NH2, and peak at 964cm-1which is corresponding to P-O-Ti.when the addition of nanoZnO reaches to 1wt.%, the tensile strength of PLA/ZnO nanocomposites have the maximum values of 47.43MPa, increase to 9.64% by pure nanoZnO. The mechanical properties of PLA/ZnO nanocomposites can be improved modified with different treatment agents, and the dispersion of nanoZnO has been significantly improved.
Publisher
Trans Tech Publications, Ltd.
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