Journal of Nanomaterials / 2010 / Article / Tab 3

Research Article

Environmental Degradation and Durability of Epoxy-Clay Nanocomposites

Table 3

Flexure modulus values in GPa for neat epoxy and epoxy-clay nanocomposites, as a function of exposure duration, subjected to environmental exposure by either temperature-humidity or by combined UV radiation and condensation.

Exposure duration Temperature-humidity UV and condensation
Neat epoxy Epoxy-clay Neat epoxy Epoxy-clay

0 4.4 ± 0.3 4.6 ± 0.2 4.4 ± 0.3 4.6 ± 0.2
1320 4.9 ± 0.1 4.8 ± 0.3 4.2 ± 0.2 5.1 ± 0.4
2712 4.8 ± 0.3 4.9 ± 0.3 3.7 ± 0.4 4.5 ± 0.3
4098 5.1 ± 0.2 4.8 ± 0.2 3.9 ± 0.2 4.3 ± 0.2

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