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Quantum Chemical Investigation and Experimental Modeling of Metal/Carbon Nanocomposite-Epoxy Compositions

机译:金属/碳纳米复合环氧组合物的量子化学研究和实验建模

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摘要

The article is dedicated to the investigation of modification processes of cold hardened epoxy compositions with metal/carbon nanocomposites to improve their operational characteristics (adhesive strength and thermal stability). The work is theoretically substantiated with quantum-chemical modeling. The article contains the investigation results of viscous properties of metal/carbon nanocomposite fine suspensions and thermal and physical properties of metal/carbon nanocomposite/epoxy compositions obtained. The quantum-chemical modeling of the systems imitating the behavior of copper/carbon nanocomposite fine suspensions and epoxy resins cold hardened with them is given. IR spectra of polyethylene polyamine and metal/carbon nanocomposite fine suspensions based on it with concentrations 0.001% - 0.03% from polyethylene polyamine mass are analyzed and their comparative analysis is presented. The possible processes flowing in fine suspensions during the interaction of copper/carbon nanocomposite and polyethylene polyamine are described, as well as the processes influencing the increase in adhesive strength and thermal stability of metal/carbon nanocomposite/epoxy compositions.
机译:该文章致力于研究具有金属/碳纳米复合材料的冷硬化环氧组合物的改性工艺,以改善其操作特性(粘合强度和热稳定性)。该工作在理论上通过量子化学建模得到了证实。该文章包含了金属/碳纳米复合材料精细悬浮液的粘性特性以及所获得的金属/碳纳米复合材料/环氧树脂组合物的热和物理性能的研究结果。给出了模拟铜/碳纳米复合细悬浮液和用它们冷固化的环氧树脂的行为的系统的量子化学模型。分析了聚乙烯多胺和基于聚乙烯多胺的浓度为0.001%-0.03%的金属/碳纳米复合细悬浮液的红外光谱,并进行了对比分析。描述了在铜/碳纳米复合材料和聚乙烯多胺相互作用期间在细悬浮液中流动的可能过程,以及影响金属/碳纳米复合材料/环氧树脂组合物粘合强度和热稳定性增加的过程。

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