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首页> 外文期刊>Journal of Applied Polymer Science >Tensile modulus modeling of carbon-filled nylon 6,6 and polycarbonate-based resins
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Tensile modulus modeling of carbon-filled nylon 6,6 and polycarbonate-based resins

机译：碳填充尼龙6,6和聚碳酸酯基树脂的拉伸模量建模

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Electrically and thermally conductive resins can be produced by adding conductive fillers to insulating polymers. Mechanical properties, such as tensile modulus, are also important. This research focused on performing compounding runs followed by injection molding and tensile testing of carbon-filled nylon 6,6 and polycarbonate-based resins. The three carbon fillers investigated included an electrically conductive carbon black, synthetic graphite particles, and a milled pitch-based carbon fiber. For each polymer, resins were produced and tested that contained varying amounts of these single-carbon fillers. In addition, combinations of fillers were investigated by conducting a full 2(3) factorial design and a complete replicate in each polymer. These tensile modulus experimental results were then compared to results predicted by several different models. For the composites containing only one filler type, the Nielsen model with the modified Psi term provided the best prediction of the actual experimental values. For the composites containing more than one filler type, a new parameter, which includes the vibrated bulk density (VBD) of the fillers, was incorporated into the Nielsen model with the modified Psi term. This model with the new VBD parameter provided the best estimate of experimental tensile modulus for composites containing multiple-filler types. (C) 2003 Wiley Periodicals, Inc. [References: 36]
机译：可以通过向绝缘聚合物中添加导电填料来生产导电和导热树脂。机械性能，例如拉伸模量，也很重要。这项研究的重点是进行复合操作，然后对碳填充的尼龙6,6和聚碳酸酯基树脂进行注塑成型和拉伸测试。研究的三种碳填料包括一种导电炭黑，合成石墨颗粒和一种磨碎的沥青基碳纤维。对于每种聚合物，生产和测试的树脂均包含不同数量的这些单碳填料。此外，通过在每个聚合物中进行完整的2（3）析因设计和完全复制来研究填料的组合。然后将这些拉伸模量实验结果与几种不同模型预测的结果进行比较。对于仅包含一种填料类型的复合材料，带有修改后的Psi项的Nielsen模型提供了对实际实验值的最佳预测。对于包含一种以上填料类型的复合材料，将新参数（包括填料的振动体积密度（VBD））结合到Nielsen模型中，并使用经过修改的Psi项。该模型具有新的VBD参数，可以为包含多种填充剂类型的复合材料提供最佳的实验拉伸模量估算值。 （C）2003 Wiley Periodicals，Inc. [参考：36]

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