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首页> 外文会议>49th International wood composites symposium >3. Cellulosic textile fibres reinforced fully biodegradable composites and their mechanical characteristics
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3. Cellulosic textile fibres reinforced fully biodegradable composites and their mechanical characteristics

机译：3.纤维素纺织纤维增强的可完全生物降解的复合材料及其机械特性

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摘要

Polymer matrix composite are mostly manufactured using synthetic fibres and binders system (glass, carbon, aramid and other petroleum based resources) for different applications. Disposal of these composites, at the end of their service life, becomes an environmental issue, as they are not biodegradable. The prime aim of this study is to develop durable, energy efficient and fully biodegradable green composites and to understand its performance and potential for application. To realize the goal, laboratory experiments were performed optimized process parameters and fabricated green composites using cellulosic textile fibres (banana, flax and sisal) with polylactic acid (PLA) under compression molding and evaluated the tensile and flexural properties. Interpretation of the results indicates that tensile strength of cellulosic textile fibres composite (CTFC) such as banana, flax and sisal with PLA matrix exhibits (with 25-30% textile fibres content) 62.87 ± 7.61 MPa, 74.84 ± 6.60 MPa, and 67.38 ± 6.5 MPa respectively. The percentage increase in the tensile strength of CTFC over neat PLA is 37-63%. The flexural strength of CFTC showed 107.06 ± 1.61MPa, 120.25 ± 8.6 MPa and 125.96 ± 6.63 MPa with the reinforcement of banana, flax and sisal textile respectively. Interestingly, density (1.27-1.38g/cc) and tensile elongation (1.71-1.77%) of CTFC has not showed major variation over neat PLA. The findings of this study reflect a new outlook to use cellulose rich vegetative textile fibres over non-textile fibres in composites for possible eco-friendly architectural interior panels in building construction, transport system and alternative for synthetic wood, plastic, glass fibres composites and domestic goods.
机译：聚合物基复合材料大多使用合成纤维和粘合剂系统（玻璃，碳，芳纶和其他石油基资源）制造，以用于不同的应用。由于这些复合材料不可生物降解，因此在其使用寿命结束时进行处置将成为环境问题。这项研究的主要目的是开发耐用，节能且可完全生物降解的绿色复合材料，并了解其性能和应用潜力。为了实现该目标，实验室实验进行了优化的工艺参数，并在压缩成型下使用纤维素纺织纤维（香蕉，亚麻和剑麻）与聚乳酸（PLA）制成了绿色复合材料，并评估了拉伸和弯曲性能。结果的解释表明，具有PLA基质的纤维素纺织纤维复合材料（CTFC）（如香蕉，亚麻和剑麻）的抗张强度显示为（含25-30％纺织纤维）62.87±7.61 MPa，74.84±6.60 MPa和67.38±分别为6.5 MPa。 CTFC的拉伸强度相对于纯PLA的增加百分比为37-63％。 CFTC的抗弯强度分别为107.06±1.61 MPa，120.25±8.6 MPa和125.96±6.63 MPa，分别是香蕉，亚麻和剑麻织物的增强。有趣的是，CTFC的密度（1.27-1.38g / cc）和拉伸伸长率（1.71-1.77％）与纯PLA相比没有显示出重大变化。这项研究的结果反映了一种新的前景，即在复合材料中使用富含纤维素的营养纺织纤维而非非纺织纤维，以用于建筑结构，运输系统中的可能的生态友好型建筑内饰板，以及合成木，塑料，玻璃纤维复合材料和家用替代品。产品。

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  • 会议地点 Seattle WA(US)
  • 作者

    Asokan Pappu; Michael Wolcott;

  • 作者单位

    Composite Materials and Engineering Center, Washington State University;

    Department of Civil Environmental Engineering;

    Director, Institute for Sustainable Design, Composite Materials and Engineering Center, Washington State University;

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