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Polyvinyl pyrrolidone modified graphene oxide for improving the mechanical, thermal conductivity and solvent resistance properties of natural rubber

Xumin Zhang,a  Jingyi Wang,bc  Hongbing Jia,*a  Biao Yin,a  Lifeng Ding,d  Zhaodong Xue  and  Qingmin Jif 
Author affiliations

* Corresponding authors

a Key Laboratory for Soft Chemistry and Functional Materials of Ministry of Education, Nanjing University of Science and Technology, Nanjing 210094, China
E-mail: polymernjust@gmail.com
Tel: +86 25 84303329

b Jiangsu Key Laboratory of Advanced Structural Materials and Application Technology, Nanjing Institute of Technology, Nanjing 211167, China

c College of Material Engineering, Nanjing Institute of Technology, Nanjing 211167, China

d Department of Chemistry, Xi'an Jiaotong-Liverpool University, Suzhou 215123, China

e Key Laboratory of C & PC Structures of Ministry of Education, Southeast University, Nanjing 210096, China

f Herbert Gleiter Institute of Nanoscience, Nanjing University of Science and Technology, Nanjing 210094, China

Abstract

Polyvinyl pyrrolidone (PVP) was applied to modify graphene oxide (GO) to obtain PVP modified GO (PGO). The PGO/natural rubber (NR) nanocomposites were fabricated by mixing a PGO aqueous dispersion with NR latex, followed by coagulation and vulcanization. The structure of PGO was characterized using atomic force microscopy, solid state 13C NMR, Fourier transform infrared spectroscopy, Raman spectra and X-ray photoelectron spectroscopy. The interaction between GO and PVP molecules as well as the effects of PGO on the mechanical properties, thermal conductivity and solvent resistance properties of the NR matrix were thoroughly studied. The results revealed that PVP molecules might interact with GO via hydrogen bonds. With the addition of PGO, the tensile strength, tear strength and thermal conductivity as well as solvent resistance of the PGO/NR nanocomposites increased. The PGO/NR nanocomposite with 5 phr (parts per hundred rubber) PGO had an 81%, 159%, 30% increase in tensile strength, tear strength, thermal conductivity and a 46% decrease in solvent uptake, respectively, compared with pristine NR.

Graphical abstract: Polyvinyl pyrrolidone modified graphene oxide for improving the mechanical, thermal conductivity and solvent resistance properties of natural rubber

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Publication details

The article was received on 04 May 2016, accepted on 21 May 2016 and first published on 31 May 2016


Article type: Paper
DOI: 10.1039/C6RA11601A
Citation: RSC Adv., 2016,6, 54668-54678
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    Polyvinyl pyrrolidone modified graphene oxide for improving the mechanical, thermal conductivity and solvent resistance properties of natural rubber

    X. Zhang, J. Wang, H. Jia, B. Yin, L. Ding, Z. Xu and Q. Ji, RSC Adv., 2016, 6, 54668
    DOI: 10.1039/C6RA11601A

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