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New Copper Phthalocyanine Oligomers for High Dielectric Constant Polymer Films

机译:用于高介电常数聚合物薄膜的新型酞菁铜低聚物

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We report here the synthesis of two new oligomeric copper phthalocyanine (CuPc) derivatives by esterification of the corresponding carboxylic acids with tri(ethylene glycol) monomethyl ether. The solubility of these derivatives in N,N'-dimethylformamide (DMF) enabled us to perform dielectric studies with poly(vinylidene fluoride-trifluoroethylene) P(VDF-TrFE), acting as the host polymer matrix. The highest room temperature dielectric constant achieved is 94 at 100 Hz, compared with 12 for the base polymer host matrix. Thermogravimetric analyzes of the polymer films showed that they are thermostable at 100 degrees C for a long period of time. Scanning electron microscopy (SEM) images of the films have also been analyzed.
机译:我们在这里报告了通过将相应的羧酸与三(乙二醇)单甲醚酯化而合成的两种新的低聚酞菁铜(CuPc)衍生物。这些衍生物在N,N'-二甲基甲酰胺(DMF)中的溶解度使我们能够使用聚(偏二氟乙烯-三氟乙烯)P(VDF-TrFE)作为主体聚合物基质进行介电研究。在100 Hz时达到的最高室温介电常数为94,而基础聚合物主体基质的室温介电常数为12。聚合物膜的热重分析表明,它们在100摄氏度的温度下可长期稳定。还分析了膜的扫描电子显微镜(SEM)图像。

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