Abstract The present study aimed at investigating the influence of ZnO-RGO nanofiller on the electrical and dynamic mechanical properties of phenol formaldehyde (PF) resin. The nanocomposites were prepared by solution mixing method followed by compression molding and nanofillers were synthesized by refluxing graphene oxide with zinc acetate dihydrate in DMF. The maximum value of the dielectric constant is observed for composites with 1 wt% ZnO-RGO content. A comparative study on the experimental and theoretical values of effective dielectric constant was done by Maxwell Garnet equation. The theoretical modeling of DC conductivity of the nanocomposites was done by the Bueche, Scarisbrick, and Rahaman modeling. The effect of ZnO-RGO on the viscoelastic properties of PF was analyzed with DMA. About 28% increase in storage modulus is observed with the addition of 0.12 wt% ZnO-RGO. The degree of entanglement, reinforcement efficiency factor, and cross-link density were calculated from DMA analysis to understand the interaction between PF and ZnO-RGO. The nature of the drawn Cole-Cole plot shows the existence of heterogeneity in PF/ZnO-RGO nanocomposites.

中文翻译：

---

以 ZnO-RGO 作为纳米填料提高甲阶树脂的导电性和动态机械性能

摘要 本研究旨在研究ZnO-RGO 纳米填料对酚醛(PF) 树脂的电气和动态机械性能的影响。纳米复合材料通过溶液混合法制备，然后压缩成型，纳米填料通过在 DMF 中回流氧化石墨烯和二水醋酸锌合成。对于具有 1 wt% ZnO-RGO 含量的复合材料，观察到介电常数的最大值。利用麦克斯韦石榴石方程对有效介电常数的实验值和理论值进行了对比研究。纳米复合材料直流电导率的理论建模是通过 Bueche、Scarisbrick 和 Rahaman 建模完成的。用DMA分析了ZnO-RGO对PF粘弹性的影响。添加 0.12 wt% ZnO-RGO 后，观察到储能模量增加了约 28%。通过 DMA 分析计算缠结度、增强效率因子和交联密度，以了解 PF 和 ZnO-RGO 之间的相互作用。绘制的 Cole-Cole 图的性质表明 PF/ZnO-RGO 纳米复合材料中存在异质性。