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首页> 外文期刊>International Journal of Chemistry and Chemical Engineering >Thermal and Tensile Properties of PVA and Wood flour Composites
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Thermal and Tensile Properties of PVA and Wood flour Composites

机译：PVA和木粉复合材料的热和拉伸性能

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摘要

Polymer composites made from synthetic reinforcements are losing acceptability, due to their serious environmental concerns and high cost. The use of natural fibers such as wood flour, rice husk, straw, etc. gain interest for being non-toxic, light weight, reduced energy consumption and their environmental friendliness. In the present work, Poly(vinyl alcohol) [PVA] and wood flour composite films have been prepared by solvent casting method. Thermal analysis of the composite films has been studied at a heating rate of 10 °C min~(-1), from ambient temperature to 500 °C, in an inert atmosphere. Tensile properties of the composite films were measured with a Universal Testing Machine and the data was also subjected to One-Way ANOVA. Thermal stability of composite films were found to be enhanced upto a certain loading of wood flour, with the modest decrease in tensile strength. Scanning Electron Microscopy is used to study the morphology of the composite films.
机译：由于其严重的环境问题和高成本，由合成增强材料制成的聚合物复合材料正在失去可接受性。 使用自然纤维，如木粉，稻壳，稻草等。获得无毒，重量轻，能耗降低及其环境友好的利益。 在本作工作中，通过溶剂浇铸方法制备了聚（乙烯醇）[PVA]和木粉复合膜。 已经以10℃min〜（-1）的加热速率从环境温度到500℃，惰性气氛中的加热速率研究了复合膜的热分析。 用通用试验机测量复合膜的拉伸性能，数据也进行单向ANOVA。 发现复合薄膜的热稳定性提高了一定的木粉装载，抗拉强度的温度下降。 扫描电子显微镜用于研究复合膜的形态。

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