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首页> 外文期刊>RSC Advances >Engineered elastomeric bio-nanocomposites from linseed oil/organoclay tailored for vibration damping
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Engineered elastomeric bio-nanocomposites from linseed oil/organoclay tailored for vibration damping

机译：由亚麻籽油/有机粘土制成的工程弹性生物纳米复合材料，专为减振而设计

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摘要

This study deals with the preparation and characterization of elastomeric nanocomposites from renewable resources for vibration damping applications. The nanocomposites were synthesized by in situ cationic polymerization technique in the presence of organophilic montmorillonite (modified nanoclay) filler. The clay filled nanocomposites showed superior dynamic moduli in comparison with the pure elastomers. The storage modulus at room temperature (25 degrees C) was improved by 1.56 to 2 times with respect to pure elastomers with an increase in the filler content from 1 to 4 %. A good and stable vibration damping is observed in a wide temperature and frequency region (1-50 Hz). The loss factor, tan dmax obtained from dynamic mechanical analysis varies from 0.58 to 0.87. Under laboratory fabricated testing systems, the transient attenuation with the complete decay of applied vibration within nanocomposites demonstrates that the elastomeric nanocomposites have potential as effective damping materials.
机译：这项研究涉及可再生资源用于减振应用的弹性体纳米复合材料的制备和表征。通过在亲有机蒙脱土（改性的纳米粘土）填料的存在下通过原位阳离子聚合技术合成纳米复合材料。与纯弹性体相比，粘土填充的纳米复合材料显示出优异的动态模量。相对于纯弹性体，在室温（25摄氏度）下的储能模量提高了1.56到2倍，而填料含量也从1-4％提高了。在较宽的温度和频率范围（1-50 Hz）内观察到良好且稳定的减振效果。从动态力学分析获得的损耗因子tan dmax从0.58到0.87不等。在实验室制造的测试系统下，纳米复合材料中施加的振动完全衰减后的瞬态衰减表明，弹性体纳米复合材料具有作为有效阻尼材料的潜力。

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