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Assessment of Nanocatalyst Dispersibility in a Polymer by Employing Relative Standard Deviation

机译：通过采用相对标准偏差评估聚合物中的纳米催化剂分散性

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A relative standard deviation (RSD) method has been developed to evaluate the nanocatalyst dispersibility in an energetic polymer. The dispersibility of nanocatalyst and thermal characteristics of the polymer exhibits high dependence on the RSD of the concentration distributions of nanocatalyst. The improvement of the dispersibility of nanocatalyst, which is dependent on kneading time, can be presented by a decrease in the RSD of the concentration distributions. Moreover, the decomposition temperature and the combustion heat of the polymer is reduced gradually and enhanced distinctly, respectively, with the decrease of the RSD of the nanocatalyst distributions. However, over-kneading may lead to a reunion of nanocatalyst and a decline of thermal characteristics of the energetic polymer, and presented with an increasing of the RSD of the concentrations of nanocatalyst. The optimal kneading time is 3 h and an acceptable value of the RSD is approximately 1% of the concentration distributions of nanocatalyst for the energetic polymer with nanometer copper oxide catalyst.
机译：已经开发了相对标准偏差（RSD）方法以评估能量聚合物中的纳米催化剂分散性。聚合物的纳米催化剂和热特性的分散性表现出高依赖纳米催化剂浓度分布的RSD。纳米催化剂的分散性改善，其取决于捏合时间，可以通过浓度分布的RSD的降低来提出。此外，分解温度和聚合物的燃烧热分别在纳米催化剂分布的RSD的降低中分别逐渐降低和增强。然而，过捏合可能导致纳米催化剂的重聚和能量聚合物的热特性的下降，并随着纳米催化剂浓度的RSD的增加而呈现。最佳捏合时间为3小时，RSD的可接受值约为纳米氧化铜氧化催化剂的能量聚合物的纳米催化剂浓度分布的1％。

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