High performance of poly(dopamine)-functionalized graphene oxide/poly(vinyl alcohol) nanocomposites

High performance of poly(dopamine)-functionalized graphene oxide/poly(vinyl alcohol) nanocomposites Article history: In this paper, poly(vinyl alcohol) (PVA)/poly(dopamine)-functionalized graphene oxide (PGO) nanocom- Received 6 June 2017 posites with high performance were prepared by an environment-friendly and facile strategy. GO was Received in revised form 4 July 2017 firstly functionalized and simultaneously reduced by poly(dopamine) to yield PGO. Then it was mixed Accepted 5 July 2017 with PVA in aqueous solution to make PVA/PGO nanocomposites. Transmission electron microscopy Available online 10 August 2017 revealed that the PGO nanosheets are well dispersed and randomly oriented throughout the PVA matrix. At the same time, the thermal properties and water barrier properties of the PVA/PGO nanocompos- Keywords: ites have been strikingly enhanced by the incorporation of PGO. The degradation temperature of the Poly(vinyl alcohol) nanocomposites is more than 30 C higher than that of pure PVA by the addition of 0.7 wt% PGO, which Graphene oxide shows good thermal stability. The water vapor permeability of the nanocomposites also decreases Poly(dopamine) −12 2 to 0.71 × 10 g cm/(cm s Pa), corresponding to 80% reduction than that of pure PVA. Moreover, the Thermal properties Water barrier properties PVA/PGO nanocomposites also present enhanced conductive properties. The PVA/PGO nanocompos- Electrical conductivity ites with such outstanding properties http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Applied Surface Science Elsevier

High performance of poly(dopamine)-functionalized graphene oxide/poly(vinyl alcohol) nanocomposites

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Publisher
Elsevier
Copyright
Copyright © 2017 Elsevier Ltd
ISSN
0169-4332
eISSN
1873-5584
D.O.I.
10.1016/j.apsusc.2017.07.040
Publisher site
See Article on Publisher Site

Abstract

Article history: In this paper, poly(vinyl alcohol) (PVA)/poly(dopamine)-functionalized graphene oxide (PGO) nanocom- Received 6 June 2017 posites with high performance were prepared by an environment-friendly and facile strategy. GO was Received in revised form 4 July 2017 firstly functionalized and simultaneously reduced by poly(dopamine) to yield PGO. Then it was mixed Accepted 5 July 2017 with PVA in aqueous solution to make PVA/PGO nanocomposites. Transmission electron microscopy Available online 10 August 2017 revealed that the PGO nanosheets are well dispersed and randomly oriented throughout the PVA matrix. At the same time, the thermal properties and water barrier properties of the PVA/PGO nanocompos- Keywords: ites have been strikingly enhanced by the incorporation of PGO. The degradation temperature of the Poly(vinyl alcohol) nanocomposites is more than 30 C higher than that of pure PVA by the addition of 0.7 wt% PGO, which Graphene oxide shows good thermal stability. The water vapor permeability of the nanocomposites also decreases Poly(dopamine) −12 2 to 0.71 × 10 g cm/(cm s Pa), corresponding to 80% reduction than that of pure PVA. Moreover, the Thermal properties Water barrier properties PVA/PGO nanocomposites also present enhanced conductive properties. The PVA/PGO nanocompos- Electrical conductivity ites with such outstanding properties

Journal

Applied Surface ScienceElsevier

Published: Jan 1, 2018

References

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