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首页> 外文期刊>Biomaterials >Corrosion behavior of copper/LDPE nanocomposites in simulated uterine solution.
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Corrosion behavior of copper/LDPE nanocomposites in simulated uterine solution.

机译:铜/ LDPE纳米复合材料在模拟子宫溶液中的腐蚀行为。

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摘要

We prepared copper/low-density polyethylene (LDPE) nanocomposites with various mass fractions of copper nanoparticles and investigated the Cu(2+) release rate of them for 220 days in a simulated uterine solution .The influences of copper nanoparticle mass fraction on Cu(2+) release and volume resistivity confirm that continuous network of copper nanoparticles can be obtained in composites when copper nanoparticle mass fraction ranges from 30% to 35%. Scanning electron microscopy with energy dispersive X-ray microanalysis (SEM/EDX) mapping technique was employed to investigate the copper distribution and corrosion depth of 30wt% copper/LDPE composite before and after incubation. Besides, elements and phases were also analyzed by EDX and X-ray diffraction, respectively. The results suggest that copper/LDPE nanocomposites should be more efficient and feasible than conventional IUD materials.
机译:我们制备了具有不同质量分数的铜纳米粒子的铜/低密度聚乙烯(LDPE)纳米复合材料,并在模拟子宫溶液中研究了它们在220天内的Cu(2+)释放速率。铜纳米粒子质量分数对Cu( 2+)的释放和体积电阻率证实,当铜纳米粒子的质量分数在30%至35%范围内时,可以在复合物中获得铜纳米粒子的连续网络。采用能量色散X射线显微分析(SEM / EDX)作图技术的扫描电子显微镜研究了保温前后30wt%铜/ LDPE复合材料的铜分布和腐蚀深度。此外,还分别通过EDX和X射线衍射分析了元素和相。结果表明,铜/ LDPE纳米复合材料应比常规IUD材料更有效和可行。

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