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首页> 外文期刊>Journal of Applied Polymer Science >Poly(vinyl chloride)-Acacia bark flour composite: Effect of particle size and filler content on mechanical, thermal, and morphological characteristics
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Poly(vinyl chloride)-Acacia bark flour composite: Effect of particle size and filler content on mechanical, thermal, and morphological characteristics

机译：聚（氯乙烯）-相思树皮粉复合材料：粒度和填料含量对机械，热和形态特性的影响

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摘要

This article describes the effect of filler [obtained from bark of Acacia (Babool)] content and its particle size (ranging from 100 to 150 μm and <50 μm) on the properties of poly(vinyl chloride) (PVC) composites. Bark of the fast-growing species Acacia was used as powder for making PVC composites, which may find applications as a substitute to high-cost wood and to avoid deforestation. A two-roll mill was used for mixing varying amounts of bark flour with PVC formulation. Samples for testing were prepared by compression molding. Tensile strength and percentage of elongation at break decreased, whereas modulus increased with an increasing amount of bark flour. A significant increase in storage modulus (E') was observed upon incorporation of filler. Improvement in properties was significant in the presence of filler, having a particle size <50 lm as compared to filler, having a particle size ranging from 100 to 150 μm. Morphological characterization was conducted by using scanning electron microscopy. A uniform dispersion of filler was observed in PVC matrix.
机译：本文介绍了填料[从相思树皮（Babool）的皮中获得]的含量及其粒径（范围为100至150μm，<50μm）对聚氯乙烯（PVC）复合材料性能的影响。速生树种相思树的树皮被用作制造PVC复合材料的粉末，可以代替高成本的木材并避免森林砍伐。使用两辊磨机将不同数量的树皮粉与PVC配方混合。通过压缩成型制备用于测试的样品。拉伸强度和断裂伸长率百分比降低，而模量随树皮粉量的增加而增加。掺入填料后，储能模量（E'）显着增加。在填料的存在下，性质的改善是显着的，填料的粒径小于50lm，填料的粒径为100-150μm。通过使用扫描电子显微镜进行形态表征。在PVC基体中观察到填料均匀分散。

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