The synthesis and characteristics of sodium alginate/graphene oxide composite films crosslinked with multivalent cations

Haicheng Zheng; Jisheng Yang; Suya Han

doi:10.1002/app.43616

journal article Mar 24, 2016

The synthesis and characteristics of sodium alginate/graphene oxide composite films crosslinked with multivalent cations

Haicheng Zheng Jisheng Yang Suya Han

Journal of Applied Polymer Science Vol. 133 No. 27 · Wiley

View at Publisher Save 10.1002/app.43616

Abstract

ABSTRACTAssociation of a method of the incorporation of graphene oxide (GO) into sodium alginate (Na‐alg) polymer matrix with a method of the use multivalent cations crosslinker was put forward to synthesize novel Na‐alg/GO nanocomposite films. The structures, morphologies, and the properties of Na‐alg/GO films were characterized by Fourier transform infrared (FTIR) spectroscopy, X‐ray diffraction (XRD), field‐emission scanning electron microscopy (FE‐SEM), thermogravimetric analysis (TGA), and tensile tests. The results revealed that the interlayer distance of GO sheets increased from 0.83 nm to 1.08 nm after assembling with Na‐alg, and Na‐alg inserted into GO layers crosslinking with multivalent cations increased the interlayer distance further. Ionic crosslinking significantly enhanced thermal and mechanical properties of Na‐alg/GO nanocomposite films. In particular, Fe3+ led to Na‐alg/GO nanocomposite films of significantly higher tensile strength and modulus than Ca2+ and Ba2+. The excellent thermal and mechanical properties of these novel Na‐alg/GO nanocomposite films may open up applications for Na‐alg films. © 2016 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2016, 133, 43616.

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Details

Published: Mar 24, 2016
Vol/Issue: 133(27)
License: View

Authors

H

Haicheng Zheng

College of Chemistry and Chemical Engineering Yangzhou University Yangzhou 225002 China

J

Jisheng Yang

College of Chemistry and Chemical Engineering Yangzhou University Yangzhou 225002 China

S

Suya Han

College of Chemistry and Chemical Engineering Yangzhou University Yangzhou 225002 China

Funding

Yangzhou University

Priority Academic Program Development of Jiangsu Higher Education Institutions, Natural Science Foundation of Yangzhou Award: yz2014066

Cite This Article

Haicheng Zheng, Jisheng Yang, Suya Han (2016). The synthesis and characteristics of sodium alginate/graphene oxide composite films crosslinked with multivalent cations. Journal of Applied Polymer Science, 133(27). https://doi.org/10.1002/app.43616

The synthesis and characteristics of sodium alginate/graphene oxide composite films crosslinked with multivalent cations

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