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首页> 外文期刊>Journal of Applied Polymer Science >Radiation effects on HDPE/EVA blends
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Radiation effects on HDPE/EVA blends

机译：HDPE / EVA共混物的辐射效应

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摘要

In this article, we discuss the radiation effects of high-density polyethylene (HDPE)/ethylene-vinyl acetate (EVA) copolymer blends. In comparison with the low-density polyethylene/EVA blends, the EVA content in the HDPE/EVA blends had a lower enhancement effect on radiation crosslinking by gamma-ray irradiation in air. The phenomenon is discussed with the compatibility, morphology, and thermal properties of HDPE/EVA blends. The HDPE/EVA blends were partly compatible in the amorphous region, and radiation crosslinking of the HDPE/EVA blend was less significant, although increasing the amorphous region's content of the HDPE/EVA blends and the vinyl acelate content of EVA were beneficial to radiation crosslinking. The good compatibility was a prerequisite for the enhancement effect of EVA on the radiation crosslinking of the polyethylene/EVA copolymer. The radiation crosslinking and the degradation mechanism of HDPE/EVA blends were examined quantitatively by a novel method, the step analysis process of irradiated HDPE/EVA blends with a thermal gravimetric analysis technique. (C) 2002 Wiley Periodicals, Inc. [References: 12]
机译：在本文中，我们讨论了高密度聚乙烯（HDPE）/乙烯-乙酸乙烯酯（EVA）共聚物共混物的辐射效应。与低密度聚乙烯/ EVA共混物相比，HDPE / EVA共混物中的EVA含量对空气中伽马射线辐射的辐射交联具有较低的增强作用。讨论了这种现象以及HDPE / EVA共混物的相容性，形态和热性能。 HDPE / EVA共混物在无定形区域中部分相容，HDPE / EVA共混物的辐射交联作用不显着，尽管增加HDPE / EVA共混物的无定形区域含量和EVA的乙酰乙酸乙烯酯含量对辐射交联是有益的。良好的相容性是EVA增强聚乙烯/ EVA共聚物辐射交联效果的先决条件。通过一种新的方法定量研究了HDPE / EVA共混物的辐射交联和降解机理，采用热重分析技术对辐照的HDPE / EVA共混物进行了逐步分析。 （C）2002 Wiley Periodicals，Inc. [参考：12]

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