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A new study on effect of various chemical treatments on Agave Americana fiber for composite reinforcement: Physico-chemical, thermal, mechanical and morphological properties
Polymer Testing ( IF 5.1 ) Pub Date : 2020-05-01 , DOI: 10.1016/j.polymertesting.2020.106437
P. Madhu , M.R. Sanjay , Mohammad Jawaid , Suchart Siengchin , Anish Khan , Catalin Iulian Pruncu

Abstract This research is focused to fundamentally understand the benefits of using Agave Americana C. plant as potential reinforcement in polymeric composites. The fibers were extracted from the external part of the bark of the plant, which grows worldwide in pastures, grasslands, open woodlands, coastal and riparian zones. In order to use the natural fiber as reinforcement it is paramount important to probe their chemical composition, microstructural behavior and mechanical properties. Hence, firstly the extracted fibers were chemically treated with NaOH, stearic acid, benzoyl peroxide and potassium permanganate. The chemical composition in terms of cellulose, hemicellulose, lignin and other waxy substances were determined using a standard TAPPI method. FT-IR technique was used to understand the character of molecular bonds, crystallinity and their correlations with various bonds in fiber structure. The thermal stability was investigated through thermogravimetric and differential scanning calorimetric analysis, and the mechanical characterization was performed by applying standard tensile test. The surface morphology of fibers was examined through scanning electron microscopy (SEM) and finally reliability scrutiny of all the analysis was carried out. The results of chemical modification techniques applied on the surfaces of natural fibers allows to produce superior fibers used to form the novel composite materials for light-weight application.

中文翻译:

各种化学处理对用于复合材料增强的 Agave Americana 纤维影响的新研究:物理化学、热学、机械和形态学特性

摘要 这项研究的重点是从根本上了解使用 Agave Americana C. 植物作为聚合物复合材料的潜在增强材料的好处。这些纤维是从植物树皮的外部提取的,这种植物在世界各地的牧场、草原、开阔的林地、沿海和河岸地区都有生长。为了使用天然纤维作为增强材料,探索它们的化学成分、微观结构行为和机械性能至关重要。因此,首先用NaOH、硬脂酸、过氧化苯甲酰和高锰酸钾对提取的纤维进行化学处理。使用标准 TAPPI 方法测定纤维素、半纤维素、木质素和其他蜡质物质的化学成分。FT-IR 技术用于了解分子键的特性,结晶度及其与纤维结构中各种键的相关性。通过热重和差示扫描量热分析研究热稳定性,并通过应用标准拉伸试验进行机械表征。通过扫描电子显微镜 (SEM) 检查纤维的表面形态,最后对所有分析进行可靠性审查。应用于天然纤维表面的化学改性技术的结果允许生产用于形成轻质应用的新型复合材料的优质纤维。并通过应用标准拉伸试验进行机械表征。通过扫描电子显微镜 (SEM) 检查纤维的表面形态,最后对所有分析进行可靠性审查。应用于天然纤维表面的化学改性技术的结果允许生产用于形成轻质应用的新型复合材料的优质纤维。并通过应用标准拉伸试验进行机械表征。通过扫描电子显微镜 (SEM) 检查纤维的表面形态,最后对所有分析进行可靠性审查。应用于天然纤维表面的化学改性技术的结果允许生产用于形成轻质应用的新型复合材料的优质纤维。
更新日期:2020-05-01
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