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[Composites Part A]Nanopolydopamine Coupled Fluorescent Nanozinc Oxide Reinforced Epoxy Nanocomposites
作者:Chaobo Liang#, Ping Song#, Hongbo Gu*, Chao Ma, Hongyuan Zhang, Xiaojiang Xu, Qiuyu Zhang and Ju
關(guān)鍵字:Nanopolydopamine,Nanozinc Oxide,Epoxy Nanocomposites
論文來源:期刊
具體來源:Composites Part A
發(fā)表時間:2017年

Fluorescent epoxy nanocomposites reinforced with polydopamine (PDA) functionalized zinc oxide (ZnO) nanoparticles have been obtained. Results reveal that the PDA functionalized ZnO nanoparticles are dispersed uniformly in the epoxy nanocomposites. The enhanced tensile strength of the epoxy nanocomposites filled with PDA functionalized ZnO nanoparticles (up to 106.7 MPa) is obtained compared with that of pure epoxy (83.8 MPa) and epoxy nanocomposites filled with the same loading pristine ZnO nanoparticles (around 91.5 MPa). The glass transition temperature (Tg) of the epoxy nanocomposites filled with PDA functionalized ZnO nanoparticles has shifted to a higher temperature (127.0-132.0 oC) compared with that of pure epoxy (118.3 oC). The interaction between PDA and epoxy matrix is also explored by Fourier transform infrared (FTIR)  and contact angle. The introduction of PDA can enhance the mechanical and thermal properties of epoxy nanocomposites without damaging the fluorescent property of ZnO nanoparticles.

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