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Analysis of Mechanical, Thermal, and Dynamic Mechanical Behaviors of Different Polymer-Coated Sisal Fibers

机译:分析不同聚合物涂层的剑麻纤维的机械,热和动态机械行为

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摘要

In this study, the surface of sisal fiber has been modified by coating with different polymers. The influence of surface modification on tensile strength, thermal behavior, storage modulus, and dissipation factors has been determined by using fiber tensile tester, differential scanning calorimetry, and dynamic mechanical analysis. Tensile strengths of uncoated sisal fiber and sisal coated with low-density polyethylene, polystyrene (PS), polyvinyl alcohol, polypropylene, polyester, and araldite epoxy are 593-0, 280, 381, 184.8, 198.3, 273-6, and 104.1 MPa, respectively. In the coated fibers, the maximum tensile strength was found for PS-coated sisal fiber and minimum for epoxy-coated sisal fiber, which is explained based on their fractured microstructures. The storage modulus value of PS-coated sisal fiber determined at 100℃ for all frequency was maximum.
机译:在这项研究中,通过与不同的聚合物涂层来修饰剑麻纤维的表面。 通过使用纤维拉伸测试仪,差异扫描量热法和动态机械分析,已经确定了表面修饰对拉伸强度,热行为,储存模量和耗散因子的影响。 未涂层的剑麻纤维和与低密度聚乙烯,聚苯乙烯(PS),聚乙烯醇,聚乙烯,聚丙烯,聚酯和阿拉尔德岩环氧树脂的拉伸强度为593-0,280,280,381,381,381,184.8,184.8,198.3,273,273,273,273-1 Mpa , 分别。 在涂层纤维中,发现PS涂层的剑麻纤维的最大拉伸强度,对于环氧涂层的剑麻纤维,这是根据其断裂的微结构来解释的。 所有频率以100℃确定的PS涂层剑麻的存储模量值均为最大。

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