Fabrication and properties of stack-like functionalized graphene nanoribbons/TPU composite films
1.
College of Materials Science and Engineering, Fuzhou University, Fuzhou 350108, China;
2.
Myh New Materials of Jiangsu, Suqian 223600, China;
3.
School of Chemical Engineering, Fuzhou University, Fuzhou 350108, China
Received Date:
June 17, 2015
Revised Date:
September 09, 2015
Accepted Date:
September 09, 2015
Abstract
The stack-like functionalized graphene nanoribbons (SF-GNRs)/thermoplastic polyurethane (TPU) composite films were obtained by solution coating film method on a coating machine. FTIR, XRD, XPS, TEM and FE-SEM were used to characterize the structure of SF-GNRs. Meanwhile, by means of oxygen transmission rate, volume resistivity test, and the observation of surface morphology, we studied the effect of SF-GNRs with different mass fractions on the barrier and antistatic properties of TPU composite films. The results show that the SF-GNRs with high surface area are evenly dispersed within TPU matrix. As a result, when the mass fraction of SF-GNRs is 1.0%, the oxygen transmission rate of SF-GNRs/TPU composite films reduces by 67.76%, compared with that of the neat TPU film. Barrier property has obvious improvement. In addition, as SF-GNRs mass fraction reaches to 1.0%-1.5%, SF-GNRs/TPU composite films appear electrical percolation behavior which exhibit the excellent room temperature conductivity.
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