Effect of aluminosilicate nanoclay on polyester composites' static and dynamic mechanical properties,Polymer Composites

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Effect of aluminosilicate nanoclay on polyester composites' static and dynamic mechanical properties
Polymer Composites ( IF 4.8 ) Pub Date : 2022-06-20 , DOI: 10.1002/pc.26794
Arulmurugan Seetharaman ₁ , Venkateshwaran Narayanan ₁

Affiliation

In this research, the effect of the addition of aluminosilicate (bentonite) nanoclay powder on the mechanical and dynamic mechanical behavior of polyester composites was investigated. Nanoclay laminates were fabricated in four different combinations, and the effect of nanofiller addition on the mechanical behaviors has been tested under ASTM Standards. The nanoclay and polyester resin were mixed using the ultrasonication process. Due to the enhanced interface between nanoclay and polyester, the flexural, tensile, and impact characteristics of laminates were boosted by clay addition. The loss modulus, storage modulus, and tan δ of the specimen were studied as a function of temperature and frequency of oscillation using a dynamic mechanical analyzer, and it was discovered that the addition of 5 wt% bentonite clay provided better strength and had the highest storage modulus than the other laminates. A morphology analysis was done on the fractured specimens through the scanning electron microscopy.

中文翻译：

硅铝酸盐纳米粘土对聚酯复合材料静态和动态力学性能的影响

在本研究中，研究了添加硅铝酸盐（膨润土）纳米粘土粉末对聚酯复合材料力学和动态力学行为的影响。纳米粘土层压板以四种不同的组合制造，纳米填料添加对机械性能的影响已在 ASTM 标准下进行了测试。使用超声处理工艺混合纳米粘土和聚酯树脂。由于纳米粘土和聚酯之间的界面增强，添加粘土提高了层压板的弯曲、拉伸和冲击特性。损耗模量、储能模量和 tan δ使用动态力学分析仪研究了试样的温度和振荡频率与温度和频率的关系，发现添加 5 wt% 的膨润土比其他层压板具有更好的强度和最高的储能模量。通过扫描电子显微镜对断裂试样进行形态分析。

更新日期：2022-06-20

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