Research Article

Environmental Degradation and Durability of Epoxy-Clay Nanocomposites

Table 4

Flexure strength values in MPa 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 99 ± 8 107 ± 10 99 ± 8 107 ± 10
1320 76 ± 33 52 ± 14 24 ± 2 33 ± 4
2712 61 ± 16 51 ± 16 16 ± 3 27 ± 3
4098 51 ± 18 50 ± 14 19 ± 2 29 ± 4