Molecular-level dispersion of graphene into epoxidized natural rubber: Morphology, interfacial interaction and mechanical reinforcement

She,X, He,C, Peng,Z and Kong,L 2014, Molecular-level dispersion of graphene into epoxidized natural rubber: Morphology, interfacial interaction and mechanical reinforcement, Polymer, vol. 55, no. 26, pp. 6803-6810, doi: 10.1016/j.polymer.2014.10.054.

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Title Molecular-level dispersion of graphene into epoxidized natural rubber: Morphology, interfacial interaction and mechanical reinforcement
Author(s) She,X
He,C
Peng,Z
Kong,LORCID iD for Kong,L orcid.org/0000-0001-6219-3897
Journal name Polymer
Volume number 55
Issue number 26
Start page 6803
End page 6810
Total pages 8
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2014-12-15
ISSN 0032-3861
Keyword(s) Epoxidized natural rubber
Graphene oxide
Interfacial interaction
Summary The interfacial interaction of composites dominates the properties of polymeric/inorganic nanocomposites. Herein, epoxy and hydroxyl groups are introduced into the natural rubber (NR) molecular chains to anchor oxygenous functional groups on the surface of graphene oxide (GO) sheets and therefore enhance the interfacial interaction between GO and rubber. From the morphological observation and interaction analysis, it is found that epoxidized natural rubber (ENR) latex particles are assembled onto the surfaces of GO sheets by employing hydrogen bonding interaction as driving force. This self-assembly depresses restacking and agglomeration of GO sheets and leads to homogenous dispersion of GO within ENR matrix. The formation of hydrogen bonding interface between ENR and GO demonstrates a significant reinforcement for the ENR host. Compared with those of pure ENR, the composite with 0.7 wt% GO loading receives 87% increase in tensile strength and 8.7 fold increase in modulus at 200% elongation after static in-situ vulcanization.
Language eng
DOI 10.1016/j.polymer.2014.10.054
Field of Research 091202 Composite and Hybrid Materials
Socio Economic Objective 860303 Plant Extracts (e.g. Pyrethrum
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2014, Elsevier
Persistent URL http://hdl.handle.net/10536/DRO/DU:30070182

Document type: Journal Article
Collection: Institute for Frontier Materials
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