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首页> 外文期刊>Journal of Applied Polymer Science >Highlight of a compensation effect between filler morphology and loading on dynamic properties of filled rubbers
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Highlight of a compensation effect between filler morphology and loading on dynamic properties of filled rubbers

机译：填料形态和载荷之间的补偿效应的重点突出于填充橡胶的动态性能

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摘要

This investigation highlighted the equivalence between carbon black (CB) loading and structure influences on dynamic mechanical properties in the linear behavior of several filled synthetic rubber compounds. Different morphologies (specific surface area and structure) of CB incorporated at different loadings were formulated to modulate the filler-rubber matrix interphase content, usually named "tightly bound rubber." Both reinforcement level and tightly bound rubber content were measured on each compound by dynamic mechanical analysis (DMTA) and by Soxhlet extraction and thermogravimetry (TGA) respectively. Then, a systematic description of their evolution was made against CB loading and morphology. These evolutions were attributed to the hydrodynamic effect which could be evaluated by the effective filler volume fraction. A new parameter κ is defined, representing the effective filler volume fraction for each compound and it was calculated on the basis of experimental parameters. Results show good correspondences between κ included both the hydrodynamic effects of the filled carbon black rubbers and dynamic mechanical properties.
机译：这项研究突出了炭黑（CB）的负载量和结构对几种填充的合成橡胶混合物的线性行为中的动态机械性能的影响之间的等效关系。配制了在不同载荷下掺入的CB的不同形态（比表面积和结构），以调节填料-橡胶基质相间含量，通常称为“紧密结合的橡胶”。分别通过动态力学分析（DMTA）和索氏提取和热重分析（TGA）测量了每种化合物的增强水平和紧密结合的橡胶含量。然后，针对CB负载和形态对它们的演变进行了系统的描述。这些演变归因于可通过有效填料体积分数评估的流体动力学效应。定义一个新参数κ，代表每种化合物的有效填料体积分数，并根据实验参数进行计算。结果表明，κ之间具有良好的对应关系，既包括填充炭黑橡胶的水动力效应，也包括动态力学性能。

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