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首页> 外文期刊>Journal of Applied Polymer Science >Clay dispersion effects on excimer laser ablation of polymer-clay nanocomposites
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Clay dispersion effects on excimer laser ablation of polymer-clay nanocomposites

机译：粘土分散对聚合物-粘土纳米复合材料准分子激光烧蚀的影响

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摘要

The ablation behavior of polystyrene-organically modified montmorillonite (OMMT) nanocomposites was evaluated by measuring the weight loss induced by KrF excimer laser irradiation of the nanocomposite specimens under air atmosphere. The characteristic values of ablation, ablation threshold fluence, and effective absorption coefficient for polystyrene and its nanocomposites were calculated based on the weight loss data. The effects of morphology due to spatial variation in injection molded samples are also discussed in this article. Results demonstrate that both the dispersion state and the concentration of clay play important roles in excimer laser ablation. The sensitivity of threshold fluence and absorption coefficient to dispersion state of OMMT seem to depend on the clay concentration.
机译：聚苯乙烯-有机改性的蒙脱土（OMMT）纳米复合材料的消融行为通过测量KrF受激准分子激光辐照在空气气氛下诱导的复合材料的失重来评估。根据失重数据，计算出聚苯乙烯及其纳米复合材料的烧蚀特性值，烧蚀阈值通量和有效吸收系数。本文还讨论了由于注塑样品中的空间变化引起的形态学影响。结果表明，分散态和粘土浓度在准分子激光烧蚀中都起着重要作用。阈通量和吸收系数对OMMT分散状态的敏感性似乎取决于粘土浓度。

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