Reinforcement and deformation behaviors of polyvinyl alcohol/graphene/montmorillonite clay composites

Li, Chengpeng, Li, Yongzhen, She, Xiaodong, Vongsvivut, Jitraporn, Li, Jihua, She, Fenghua, Gao, Weimin and Kong, Lingxue 2015, Reinforcement and deformation behaviors of polyvinyl alcohol/graphene/montmorillonite clay composites, Composites science and technology, vol. 118, pp. 1-8, doi: 10.1016/j.compscitech.2015.08.008.

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Title Reinforcement and deformation behaviors of polyvinyl alcohol/graphene/montmorillonite clay composites
Author(s) Li, Chengpeng
Li, Yongzhen
She, Xiaodong
Vongsvivut, Jitraporn
Li, Jihua
She, FenghuaORCID iD for She, Fenghua
Gao, WeiminORCID iD for Gao, Weimin
Kong, LingxueORCID iD for Kong, Lingxue
Journal name Composites science and technology
Volume number 118
Start page 1
End page 8
Total pages 8
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2015-10-01
ISSN 0266-3538
Keyword(s) Deformation
Hybrid composites
Mechanical properties
Raman spectroscopy
Summary We report the synergistic reinforcement and deformation of polyvinyl alcohol (PVA)/graphene/montmorillonite clay (MMT) composites with the tensile properties being improved greatly. Particularly, the tensile strength and modulus of PVA composite with 0.9 wt% graphene and 0.3 wt% of MMT were improved by more than 58% and 43% when compared to the neat PVA, respectively, and were at least 10% higher than the enhanced sum of dual PVA composites with 0.9 wt% graphene and 0.3 wt% MMT. This reinforcement was resulted from the good dispersion and effective interfacial interactions as confirmed from morphology investigation, increased glass transition temperature and the shift of O-H stretching. When there were no fillers i.e. in situ reduced graphene (IRG) or MMT or their loading was low, high alignment of PVA could be observed, with increased crystallinity, melting point, lamellae thickness but narrowed crystallite size distribution. The synergistic reinforcement of PVA achieved from combined incorporation of IRG and MMT will pave the way for the development of stronger PVA composites in various applications.
Language eng
DOI 10.1016/j.compscitech.2015.08.008
Field of Research 091202 Composite and Hybrid Materials
091205 Functional Materials
091006 Manufacturing Processes and Technologies (excl Textiles)
Socio Economic Objective 860607 Plastic Products (incl. Construction Materials)
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2015, Elsevier
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Document type: Journal Article
Collections: Institute for Frontier Materials
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