Structure-property relationships in nylon 6 nanocomposites based on octaphenyl-, dodecaphenyl-POSS, montmorillonite, and their combinations

Magniez, Kevin, Bafekrpour, Ehsan, Fox, Bronwyn L. and Looney, Mark G. 2015, Structure-property relationships in nylon 6 nanocomposites based on octaphenyl-, dodecaphenyl-POSS, montmorillonite, and their combinations, Polymer composites, vol. 36, no. 1, pp. 153-160, doi: 10.1002/pc.22924.

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Title Structure-property relationships in nylon 6 nanocomposites based on octaphenyl-, dodecaphenyl-POSS, montmorillonite, and their combinations
Author(s) Magniez, Kevin
Bafekrpour, Ehsan
Fox, Bronwyn L.
Looney, Mark G.
Journal name Polymer composites
Volume number 36
Issue number 1
Start page 153
End page 160
Total pages 8
Publisher Wiley
Place of publication Weinheim, Germany
Publication date 2015
ISSN 0272-8397
1548-0569
Keyword(s) Science & Technology
Technology
Physical Sciences
Materials Science, Composites
Polymer Science
Materials Science
POLYHEDRAL OLIGOMERIC SILSESQUIOXANE
LAYERED SILICATE NANOCOMPOSITES
MECHANICAL-PROPERTIES
COMPOSITES
COPOLYMERS
POLYMERS
BEHAVIOR
CRYSTALLIZATION
POLYPROPYLENE
DEGRADATION
Summary Binary and ternary nanocomposites were produced by incorporating, via melt compounding, two types of octa-and dodecaphenyl substituted polyhedral oligomeric silsesquioxanes (POSS), montmorillonite (MMT), and combinations of POSS with MMT into nylon 6. The tensile, flexural, and dynamic thermo-mechanical properties of these materials were characterized and their structure-property relationships discussed. The results show that the losses in ductility and toughness experienced after inclusion of MMT into nylon 6 can be balanced out by co-mixing MMT with the dodecaphenyl- POSS to produce a ternary nanocomposite. This trend however was less pronounced in the ternary MMT/octaphenyl-POSS system. Analysis of the microstructure organization in these materials using XRD and SEM sheds some light on understanding the differences in behavior. Both types of POSS particles mixed alone in nylon 6 were found to be polydisperse (500 nm to a few microns in size) and locally aggregated, yielding materials with similar mechanical performance. The co-mixing of MMT with the octaphenyl- POSS served to break down the POSS crystal aggregates, enhancing their micro-mechanical reinforcing action. On the other hand, the POSS crystals were not affected in the MMT/dodecaphenyl-POSS system, which led to improving their toughening ability.
Language eng
DOI 10.1002/pc.22924
Field of Research 091202 Composite and Hybrid Materials
091209 Polymers and Plastics
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, Wiley
Persistent URL http://hdl.handle.net/10536/DRO/DU:30075412

Document type: Journal Article
Collection: Institute for Frontier Materials
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