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首页> 外文期刊>Journal of Applied Polymer Science >Radiation effects on poly(propylene) (PP)/ethylene-vinyl acetate copolymer (EVA) blends
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Radiation effects on poly(propylene) (PP)/ethylene-vinyl acetate copolymer (EVA) blends

机译：辐射对聚（丙烯）（PP）/乙烯-乙酸乙烯酯共聚物（EVA）共混物的影响

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摘要

Radiation effects on poly(propylene)/ethylene-vinyl acetate copolymer (PP/EVA) blends are discussed. Increasing the EVA content enhanced the crosslinking effect of radiation in PP/EVA blends. This effect was significant when the EVA content was greater than or equal to 50% in PP/EVA blends that were exposed to gamma-ray irradiation in air. This phenomenon is discussed in relation to the compatibility, morphology, and thermal properties of PP/EVA blends. The results indicate that the effect is dependent on the compatibility, the increase in the amorphous region content, and the EVA content in PP/EVA blends. The possible mechanism of radiation crosslinking or degradation in irradiated PP/EVA blends was studied quantitatively by a novel method, a "step analysis" process, and thermal gravimetric analysis. (C) 2002 Wiley Periodicals, Inc. [References: 20]
机译：讨论了辐射对聚（丙烯）/乙烯-乙酸乙烯酯共聚物（PP / EVA）共混物的影响。 EVA含量的增加增强了PP / EVA共混物中辐射的交联作用。当暴露于空气中伽玛射线的PP / EVA混合物中EVA含量大于或等于50％时，此效果显着。讨论了与PP / EVA共混物的相容性，形态和热性能有关的这种现象。结果表明，效果取决于相容性，PP / EVA共混物中无定形区域含量的增加和EVA含量。通过新颖的方法，“步骤分析”过程和热重分析，定量研究了辐照的PP / EVA共混物中辐射交联或降解的可能机理。 （C）2002 Wiley Periodicals，Inc. [参考：20]

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