Reinforcement of polymethyl methacrylate denture base resin with ZnO nanostructures 机翻标题: 暂无翻译,请尝试点击翻译按钮。

来源
International journal of applied ceramic technology
年/卷/期
2018 / 15 / 2
页码
448-459
ISSN号
1546-542X
作者单位
Tanta Univ, Fac Sci, Dept Chem, Tanta, Egypt;Kafrelsheikh Univ, Fac Sci, Nanotechnol Ctr, Dept Chem, Kafr Al Sheikh, Egypt;Kafrelsheikh Univ, Fac Sci, Nanotechnol Ctr, Dept Chem, Kafr Al Sheikh, Egypt;
作者
Salahuddin, Nehal;El-Kemary, Maged;Ibrahim, Ebtisam;
摘要
Polymethyl methacrylate-zinc oxide (PMMA/ZnO) nanocomposites with different ZnO morphology and quantities were prepared by insitu curing of MMA/PMMA used in denture base material in the presence of ZnO nanostructured materials. The composition, structure, and morphology of the nanocomposites were characterized by Fourier-Transform infrared spectra (FT-IR), X-ray diffraction (XRD), transmission electron microscopy (TEM), scanning electron microscopy (SEM), and thermogravimetric analysis (TGA). The effect of ZnO morphology and contents on the mechanical properties including impact, flexural, and hardness was studied. The results demonstrated that the mechanical and thermal properties of denture base materials were improved by incorporation of nano-sized ZnO into the polymethyl methacrylate matrix. The impact strength was highly improved upon using ZnO nanotubes. However, the flexural strength was improved using ZnO nanospheres.
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关键词/主题词
mechanical properties;nanocomposites;thermal properties;zinc oxide;
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