Dramatic improvement in mechanical properties of GNs-reinforced HDPE nanocomposites

Graphite nanosheets (GNs) modified with sodium dodecyl benzene sulfonate (SDBS) was prepared and then incorporated into high-density polyethylene (HDPE). The GNs/HDPE nanocomposites displayed pronounced enhancements of the mechanical properties. With a load of 10 wt % of the modified GNs, the nanoco...

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Bibliographic Details
Published in:Journal of applied polymer science 2010-05, Vol.116 (4), p.2029-2034
Main Authors: Wang, Liwei, Chen, Guohua
Format: Article
Language:English
Subjects:
Applied sciences
Composites
Exact sciences and technology
Forms of application and semi-finished materials
graphite nanosheets
mechanical property
nanocomposites
Polymer industry, paints, wood
reinforcement
Technology of polymers
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Summary:Graphite nanosheets (GNs) modified with sodium dodecyl benzene sulfonate (SDBS) was prepared and then incorporated into high-density polyethylene (HDPE). The GNs/HDPE nanocomposites displayed pronounced enhancements of the mechanical properties. With a load of 10 wt % of the modified GNs, the nanocomposites exhibited an increase of about 290% in the elongation at break as well as an increase of about 14% in the elastic modulus in comparison with neat HDPE. Scanning electron microscopy (SEM) shows a notable microscopic orientation of the matrix and GNs in the strained nanocomposite specimen, which may play an important role in the dramatic increase in the elongation at break.
ISSN:0021-8995
1097-4628
DOI:10.1002/app.31692