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Rheological Studies of Phenolic Resole Resin Incorporated with Modified Graphite Additives
Chemical Engineering & Technology ( IF 1.8 ) Pub Date : 2021-01-14 , DOI: 10.1002/ceat.202000469 Nimmi C. Sekhar 1 , Lity Alen Varghese 1
Chemical Engineering & Technology ( IF 1.8 ) Pub Date : 2021-01-14 , DOI: 10.1002/ceat.202000469 Nimmi C. Sekhar 1 , Lity Alen Varghese 1
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An understanding of rheology is vital in polymer processing as it depicts the complex molecular structures, viscoelastic nature, and dynamic mechanical properties of these macromolecules. In this study, graphite powder subjected to different steps of modification like H2SO4 intercalation, silanization, and finally Fe3O4 and BaFe12O19 grafting was used. Changes in viscous behavior were obvious from the flow characteristics and dynamic mechanical properties of the composites. Viscoelastic experiments illustrated the effects of interfacial bonding of polymer and additives on the viscoelastic moduli. Different regression models were applied to the data points, and information regarding regression parameters like the power law exponent and the relaxation time was obtained.
中文翻译：
酚醛树脂与改性石墨添加剂的流变学研究
对流变学的理解对于聚合物加工至关重要，因为它描述了这些大分子的复杂分子结构，粘弹性和动态力学性能。在这项研究中，石墨粉经过不同的改性步骤，如H 2 SO 4嵌入，硅烷化，最后经过Fe 3 O 4和BaFe 12 O 19改性。使用了嫁接。从复合材料的流动特性和动态力学性能来看，其粘性行为的变化是显而易见的。粘弹性实验说明了聚合物和添加剂的界面键合对粘弹性模量的影响。将不同的回归模型应用于数据点，并获得有关回归参数（如幂律指数和弛豫时间）的信息。
更新日期：2021-01-14
中文翻译：
酚醛树脂与改性石墨添加剂的流变学研究
对流变学的理解对于聚合物加工至关重要，因为它描述了这些大分子的复杂分子结构，粘弹性和动态力学性能。在这项研究中，石墨粉经过不同的改性步骤，如H 2 SO 4嵌入，硅烷化，最后经过Fe 3 O 4和BaFe 12 O 19改性。使用了嫁接。从复合材料的流动特性和动态力学性能来看，其粘性行为的变化是显而易见的。粘弹性实验说明了聚合物和添加剂的界面键合对粘弹性模量的影响。将不同的回归模型应用于数据点，并获得有关回归参数（如幂律指数和弛豫时间）的信息。
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