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首页> 外文期刊>Journal of Materials Engineering and Performance >Correlation Between Free-Volume Parameters and Physical Properties of Polyethylene-Nitrile Rubber Blend
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Correlation Between Free-Volume Parameters and Physical Properties of Polyethylene-Nitrile Rubber Blend

机译：聚乙烯腈橡胶共混物自由体积参数与物性之间的相关性

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摘要

Positron annihilation lifetime spectroscopy (PALS) was used to study the immiscibility of a polar nitrile rubber (NBR) that had been blended with pure and waste, low- and high-density polyethylene (PE). The effect of the weight percent of the rubber added to the PE was also investigated. It was found that a complicated variation (positive and negative) in both free-volume parameters (t3 and 73) from the values of the initial polymers forms an immiscible blend. These results are supported by a significant broadening in the free-volume hole size distributions. This has been interpreted in terms of interfacial spaces created between the boundaries of the two phases. Furthermore, a correlation was established between the free-volume parameters (tau_3 and I_3) and the electrical and mechanical properties of the before mentioned polymer blends as a function of the weight percent of waste PE.
机译：正电子an没寿命谱（PALS）用于研究极性丁腈橡胶（NBR）与纯，废，低密度和高密度聚乙烯（PE）混合的不溶混性。还研究了添加到PE中的橡胶的重量百分比的影响。已经发现，与初始聚合物的值相比，两个自由体积参数（t3和73）的复杂变化（正值和负值）都会形成不溶混的混合物。这些结果得到了自由体积孔尺寸分布的显着扩大的支持。这是根据两相边界之间的界面空间来解释的。此外，在自由体积参数（tau_3和I_3）与前述聚合物共混物的电气和机械性能之间建立了相关性，其与废PE的重量百分比有关。

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