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首页> 外文期刊>Advances in BioResearch >Effect of Fiber Type and Content on the Physical and Mechanical Properties of Four Types of Natural Fiber-High Density Polyethylene Composites against the Fungus
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Effect of Fiber Type and Content on the Physical and Mechanical Properties of Four Types of Natural Fiber-High Density Polyethylene Composites against the Fungus

机译：纤维种类和含量对四种天然纤维-高密度聚乙烯复合抗真菌物理机械性能的影响

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摘要

In order to evaluate the effect of fiber type and content on the Physical and Mechanical properties of natural fiber-high density polyethylene (HDPE) composites against the fungus Coriolus versicolor, composites containing kenaf, rice hulls, newsprint and wood floor as the reinforcement at 25% and 50% by weight maple wood flour and 1% and 2% compatibilizer (Maleic anhydride polyethylene (MAPE), respectively, were sampled. Physical and mechanical properties of all specimens including water absorption, flexural modulus, flexural strength, impact strength and hardness were determined prior to and after incubation with the fungus for 14 weeks at 25 °C and 75% relative humidity. Results indicated that samples containing 50% natural fiber were more susceptible to fungal decay as compared with those with 25% fiber. Rice hulls proved to be the most vulnerable natural fibers as nearly all mechanical properties of rice hulls composites significantly declined after contamination by the fungus.
机译：为了评估纤维类型和含量对天然纤维-高密度聚乙烯（HDPE）复合材料对云芝真菌Coriolus的物理和机械性能的影响，在25℃时含有洋麻，稻壳，新闻纸和木地板作为增强材料分别取样了％和50％的枫木粉和1％和2％的增容剂（马来酸酐聚乙烯（MAPE）），所有样品的物理和机械性能包括吸水率，弯曲模量，弯曲强度，冲击强度和硬度在25°C和75％相对湿度下与真菌孵育14周之前和之后进行测定，结果表明，与含25％纤维的样品相比，含50％天然纤维的样品对真菌的腐烂更敏感。成为最易受伤害的天然纤维，因为稻壳复合材料的几乎所有机械性能在被真菌污染后均显着下降。

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