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首页> 外文期刊>Journal of Applied Polymer Science >Glycerol as high-permittivity liquid filler in dielectric silicone elastomers
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Glycerol as high-permittivity liquid filler in dielectric silicone elastomers

机译：甘油作为介电有机硅弹性体中的高介电常数液体填料

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摘要

A recently reported novel class of elastomers was tested with respect to its dielectric properties. The new elastomer material is based on a commercially available poly(dimethylsiloxane) composition, which has been modified by embedding glycerol droplets into its matrix. The approach has two major advantages that make the material useful in a dielectric actuator. First, the glycerol droplets efficiently enhance the dielectric constant, which can reach astonishingly high values in the composite. Second, the liquid filler also acts as a softener that effectively decreases the elastic modulus of the composite. In combination with very low cost and easy preparation, the two property enhancements lead to an extremely attractive dielectric elastomer material. Experimental permittivity data are compared to various theoretical models that predict relative permittivity changes as a function of filler loading, and the applicability of the models is discussed. (c) 2016 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2016, 133, 44153.
机译：就其介电性能测试了最近报道的新型弹性体。新的弹性体材料基于可商购的聚（二甲基硅氧烷）组合物，该组合物已通过将甘油液滴嵌入其基质中进行了改性。该方法具有两个主要优点，使该材料可用于介电促动器。首先，甘油微滴有效地提高了介电常数，在复合材料中可以达到惊人的高值。其次，液体填料还充当软化剂，可有效降低复合材料的弹性模量。与非常低的成本和易于制备相结合，两种性能的增强导致了极具吸引力的介电弹性体材料。将实验介电常数数据与各种理论模型进行比较，这些理论模型预测相对介电常数随填料填充量的变化，并讨论了模型的适用性。 （c）2016 Wiley Periodicals，Inc. J. Appl。 Polym。科学2016，133，44153。

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