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首页> 外文期刊>Polymer Composites >Investigation of Electrorheological Properties and Creep Behavior of Poly(oxymethylene)/Polythiophene Composites
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Investigation of Electrorheological Properties and Creep Behavior of Poly(oxymethylene)/Polythiophene Composites

机译：聚甲醛/聚噻吩复合材料的电流变特性和蠕变行为的研究

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摘要

In this study, electrorheological (ER) properties of poly-thiophene (PT) and poly(oxymethylene)/polythiophene (POM/PT), conducting composites having different compositions were investigated. The particle sizes of the composites were measured by dynamic light scattering method. Conductivities and dielectric properties of these composites were determined. Suspensions of PT and POM/PT composites were prepared in silicone oil (SO) at several concentrations (c = 5-25%, m/m) and their sedimentation stabilities were determined. The flow times of these suspensions at various dc electric field strengths were measured. The effects of dispersed particle concentration, particle size, shear rate, electric field strength, frequency, and temperature onto ER activities of these suspensions were investigated. Further, creep tests were applied to the composite suspensions and reversible viscoelastic deformations observed.
机译：在这项研究中，研究了聚噻吩（PT）和聚（甲醛）/聚噻吩（POM / PT）的流变（ER）性能，这些复合材料具有不同的导电性能。通过动态光散射法测量复合材料的粒度。确定了这些复合材料的电导率和介电性能。在硅油（SO）中以几种浓度（c = 5-25％，m / m）制备PT和POM / PT复合材料的悬浮液，并测定其沉降稳定性。测量了这些悬浮液在各种直流电场强度下的流动时间。研究了分散的颗粒浓度，粒径，剪切速率，电场强度，频率和温度对这些悬浮液的ER活性的影响。此外，对复合材料悬浮液进行蠕变测试，观察到可逆的粘弹性变形。

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