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Dynamic mechanical analysis of polyethylene and ethylene vinylacetate copolymer blends irradiated by electron beam

机译:电子束辐照的聚乙烯和乙烯乙酸乙烯酯共聚物共混物的动态力学分析

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摘要

Dynamic mechanical properties of nonirradiated and irradiated blends of polyethylene (PE) and ethylene vinylacetate (EVA) copolymer have been determined. Effect of addition of EVA and radiational crosslinking on loss and storage modulus, tan delta, and transition temperatures were determined. Increase in transition temperatures on exposure to radiation and decrease in transition temperatures with addition of EVA is observed. Peak broadening is observed on exposure to radiation. Values of the storage modulus increase while that of loss modulus and tan delta decrease on crosslinking. (C) 2002 Wiley Periodicals, Inc. [References: 20]
机译:已确定了聚乙烯(PE)和乙烯乙酸乙烯酯(EVA)共聚物的非辐照和辐照共混物的动态力学性能。确定了添加EVA和辐射交联对损耗和储能模量,tanδ和转变温度的影响。观察到暴露于辐射时的转变温度升高,并且随着添加EVA转变温度降低。暴露在辐射下会观察到峰展宽。交联时,储能模量的值增加,而损耗模量和正切值的值降低。 (C)2002 Wiley Periodicals,Inc. [参考:20]

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