In this section, you can access to the latest technical information related to the FUTURE project topic.

Significantly improved dielectric properties of polylactide nanocomposites via TiO2 decorated carbon nanotubes

Titanium dioxide decorated multi-walled carbon nanotubes ([email protected]2) were fabricated in aqueous solution via a facile sol-gel method. The results of TEM, XRD, XPS and TGA confirmed that TiO2 had been coated on the surface of MWCNTs successfully. The polylactide (PLA) nanocomposites containing various content of [email protected]2 were prepared by a solution mixing method, followed by a hot compression process. The results revealed that the introduction of [email protected]2 enhanced the thermal stability and crystallinity of PLA without affecting the crystal phase. Moreover, the PLA nanocomposite containing of 5?wt% [email protected]2 had a dielectric constant of 26.6, which was 8.3?times higher than that of the pure PLA (3.2), while the dielectric loss still remains at a low value of 0.2 at 1000?Hz. The decorated TiO2 nanoparticles on the surface of MWCNTs could serve as insulating layers to suppress the dielectric loss effectively.

» Author: Wei Wu, Tao Liu, Dongli Zhang, Qijun Sun, Ke Cao, Junwei Zha, Yang Lu, Bin Wang, Xianwu Cao, Yanhong Feng, Vellaisamy A.L. Roy, Robert K.Y. Li

» Reference: 10.1016/j.compositesa.2019.105650

» Publication Date: 01/12/2019

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