GO-modified flexible polymer nanocomposites fabricated via 3D stereolithography
Chi Him Alpha Tsang1,2(), Adilet Zhakeyev3, Dennis Y.C. Leung2(), Jin Xuan3()
1. School of Environmental Sciences and Engineering, Sun Yat-Sen University, Guangzhou 510006, China 2. Department of Mechanical Engineering, The University of Hong Kong, Hong Kong, China 3. Department of Chemical Engineering, Loughborough University, Loughborough, LE11 3TU, UK
Graphene oxide (GO) induced enhancement of elastomer properties showed a great deal of potential in recent years, but it is still limited by the barrier of the complicated synthesis processes. Stereolithography (SLA), used in fabrication of thermosets and very recently in “flexible” polymers with elastomeric properties, presents itself as simple and user-friendly method for integration of GO into elastomers. In this work, it was first time demonstrated that GO loadings can be incorporated into commercial flexible photopolymer resins to successfully fabricate GO/elastomer nanocomposites via readily accessible, consumer-oriented SLA printer. The material properties of the resulting polymer was characterized and tested. The mechanical strength, stiffness, and the elongation of the resulting polymer decreased with the addition of GO. The thermal properties were also adversely affected upon the increase in the GO content based on differential scanning calorimetry and thermogravimetric analysis results. It was proposed that the GO agglomerates within the 3D printed composites, can result in significant change in both mechanical and thermal properties of the resulting nanocomposites. This study demonstrated the possibility for the development of the GO/elastomer nanocomposites after the optimization of the GO/“flexible” photoreactive resin formulation for SLA with suitable annealing process of the composite in future.
Corresponding Author(s):
Chi Him Alpha Tsang,Dennis Y.C. Leung,Jin Xuan
引用本文:
. [J]. Frontiers of Chemical Science and Engineering, 2019, 13(4): 736-743.
Chi Him Alpha Tsang, Adilet Zhakeyev, Dennis Y.C. Leung, Jin Xuan. GO-modified flexible polymer nanocomposites fabricated via 3D stereolithography. Front. Chem. Sci. Eng., 2019, 13(4): 736-743.
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