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Chen, J, Beake, BD, Bell, GA, Tait, Y and Gao, F 
ORCID: https://orcid.org/0000-0003-4064-9579,
2015.
Probing polymer chain constraint and synergistic effects in nylon 6-clay nanocomposites and nylon 6-silica flake sub-micro composites with nanomechanics.
Nanocomposites, 1 (4), pp. 185-194.
ISSN 2055-0324
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Abstract
In this study, we report that a synergistic effect exists in the surface mechanical properties of nylon 6–clay nanocomposites (NC) that can be shown by nanomechanical testing. The hardness, elastic modulus, and nanoindentation creep behavior of nylon 6 and its nanocomposites with different filler loading produced by melt compounding were contrasted to those of model nylon 6 sub-microcomposites (SMC) reinforced by sub-micro-thick silica flakes in which constraint cannot occur due to the difference in filler geometry. Polymer chain constraint was assessed by the analysis of nanoindentation creep data. Time-dependent creep decreased with increasing the filler loading in the NC consistent with the clay platelets exerting a constraint effect on the polymer chains which increases with filler loading. In contrast, there was no evidence of any reduced time-dependent creep for the SMC samples, consistent with a lack of constraint expected due to much lower aspect ratio of the silica flakes
| Item Type: | Journal article |
|---|---|
| Publication Title: | Nanocomposites |
| Creators: | Chen, J., Beake, B.D., Bell, G.A., Tait, Y. and Gao, F. |
| Publisher: | Taylor & Francis |
| Date: | 2015 |
| Volume: | 1 |
| Number: | 4 |
| ISSN: | 2055-0324 |
| Identifiers: | Number Type 10.1080/20550324.2015.1116842 DOI |
| Divisions: | Schools > School of Science and Technology |
| Record created by: | Linda Sullivan |
| Date Added: | 03 Mar 2016 08:57 |
| Last Modified: | 09 Jun 2017 13:59 |
| URI: | https://irep.ntu.ac.uk/id/eprint/27088 |
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