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Raw and chemically treated bio‐waste filled (Limonia acidissima shell powder) vinyl ester composites: Physical, mechanical, moisture absorption properties, and microstructure analysis
Journal of Vinyl and Additive Technology ( IF 3.8 ) Pub Date : 2020-07-14 , DOI: 10.1002/vnl.21787 Vasantha Kumar Shravanabelagola Nagaraja Setty 1 , Goud Govardhan 2 , Sanjay Mavinkere Rangappa 3 , Suchart Siengchin 3
Journal of Vinyl and Additive Technology ( IF 3.8 ) Pub Date : 2020-07-14 , DOI: 10.1002/vnl.21787 Vasantha Kumar Shravanabelagola Nagaraja Setty 1 , Goud Govardhan 2 , Sanjay Mavinkere Rangappa 3 , Suchart Siengchin 3
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The rapid growth of environmentally sustainable and eco‐friendly materials tends to the utilization of biowastes as filler in polymer matrix composites. The particulate composite with improved wettability of fillers and advanced approach can evolve polymer composites that exhibit promising applications in packaging, automobile, marine, construction, and aerospace. In the present work, one of the biowaste fillers were synthesized from Limonia acidissima shells via a top‐down approach (pulverizing) and the surfaces were chemically modified using sodium hydroxide (NaOH) before they were used as fillers in vinyl ester polymer composites by different weight percentage (0, 5, 10, 15, and 20 wt%). The prepared particulate composites were characterized by mechanical properties, moisture absorption behavior, and morphology. At different filler loading the tensile strength, tensile modulus, flexural strength, flexural modulus, impact strength, hardness, density, and moisture intake tests were performed. The results reveal that the properties increased for composites filled with alkaline treated fillers for the same filler loading and found to be higher at filler loading of 15 wt%. The morphological analysis confirms the better interfacial bonding between alkali‐treated particles and matrix due to the removal of non‐cellulose materials from the surface of the particles.
中文翻译：
原料和化学处理过的生物废物填充的（Limonia acidissima贝壳粉）乙烯基酯复合材料：物理，机械，吸湿性能和微观结构分析
环境可持续性和生态友好型材料的快速增长趋向于利用生物废物作为聚合物基复合材料的填料。具有改进的填料润湿性和先进方法的颗粒复合材料可以开发出在包装，汽车，船舶，建筑和航空航天领域显示出有希望的应用的聚合物复合材料。在目前的工作中，一种生物废料填充物是从酸柠檬草合成的壳通过自上而下的方法（粉碎），表面用氢氧化钠（NaOH）进行化学修饰，然后以不同的重量百分比（0、5、10、15和20 wt％）用作乙烯基酯聚合物复合材料的填料）。所制备的颗粒复合材料的特征在于机械性能，吸湿性能和形态。在不同的填料载荷下，进行了拉伸强度，拉伸模量，挠曲强度，挠曲模量，冲击强度，硬度，密度和吸湿率测试。结果表明，对于相同的填充量，用碱处理的填充物填充的复合材料的性能有所提高，并且在填充量为15 wt％时发现更高。
更新日期：2020-07-14
中文翻译：
原料和化学处理过的生物废物填充的（Limonia acidissima贝壳粉）乙烯基酯复合材料：物理，机械，吸湿性能和微观结构分析
环境可持续性和生态友好型材料的快速增长趋向于利用生物废物作为聚合物基复合材料的填料。具有改进的填料润湿性和先进方法的颗粒复合材料可以开发出在包装，汽车，船舶，建筑和航空航天领域显示出有希望的应用的聚合物复合材料。在目前的工作中，一种生物废料填充物是从酸柠檬草合成的壳通过自上而下的方法（粉碎），表面用氢氧化钠（NaOH）进行化学修饰，然后以不同的重量百分比（0、5、10、15和20 wt％）用作乙烯基酯聚合物复合材料的填料）。所制备的颗粒复合材料的特征在于机械性能，吸湿性能和形态。在不同的填料载荷下，进行了拉伸强度，拉伸模量，挠曲强度，挠曲模量，冲击强度，硬度，密度和吸湿率测试。结果表明，对于相同的填充量，用碱处理的填充物填充的复合材料的性能有所提高，并且在填充量为15 wt％时发现更高。
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