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首页> 外文期刊>Journal of Applied Polymer Science >Synthesis and Characterization of Alumina Flakes/Polymer Composites
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Synthesis and Characterization of Alumina Flakes/Polymer Composites

机译：氧化铝片/聚合物复合材料的合成与表征

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摘要

Alumina flakes were prepared by solution combustion method and milled to provide powder. XRD and SEM data exhibited microsized flakes with 100 nm thickness and nanosized grains. Then the powders were dispersed in polystyrene (PS) and poly methyl methacrylate (PMMA) matrixes and thin sheets of composites were produced by solution method. Mechanical properties of the composites were characterized using tensile test and their fracture surfaces, elemental composition and hydrophobic property were tested by SEM, EDX and contact angle techniques, respectively. The results exhibited better mechanical properties compared to pure polymer samples i.e. the elastic modulus in PMMA and PS composites, were increased about 107 and 109%, respectively. In addition the composite surfaces became more hydrophobic than pure polymer systems.
机译：通过固溶燃烧法制备氧化铝薄片并研磨以提供粉末。 XRD和SEM数据显示具有100nm厚度的纳米尺寸的薄片和纳米尺寸的晶粒。然后将粉末分散在聚苯乙烯（PS）和聚甲基丙烯酸甲酯（PMMA）基质中，并通过溶液法制备复合材料薄片。用拉伸试验表征了复合材料的机械性能，并分别用SEM，EDX和接触角技术测试了它们的断裂表面，元素组成和疏水性能。与纯聚合物样品相比，结果显示出更好的机械性能，即PMMA和PS复合材料的弹性模量分别提高了约107％和109％。另外，复合材料表面比纯聚合物系统变得更疏水。

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