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Effect of gamma irradiation on HDPE/HA (80:20) composites

机译:γ辐照对HDPE / HA(80:20)复合材料的影响

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摘要

Effect of gamma irradiation on high density polyethylene/hydroxyapatite (HDPE/HA) composites prepared by solution was studied. Melt flow index (MFI) showed a strong increase with radiation due to some decalin remnant. The evaluation of the mechanical behavior showed an increase in the Young's modulus and resistance at break values attributed to the HA addition. Elongation at break decrease strongly. Radiation did not produce any significant changes on crystallization temperatures. Crystallinity of the polymer decreases when HA is added. The activation energy values allowed for the estimation of the optimum radiation dose.
机译:研究了γ射线辐照对溶液制备的高密度聚乙烯/羟基磷灰石(HDPE / HA)复合材料的影响。由于萘烷残留,熔体流动指数(MFI)随着辐射显着增加。力学性能的评估表明,由于添加了HA,杨氏模量和断裂强度增加。断裂伸长率大大降低。辐射对结晶温度没有产生任何显着变化。当添加HA时,聚合物的结晶度降低。活化能值允许估计最佳辐射剂量。

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