Research Article

Effects of Different Artificial Agings on Structure and Properties of Whatman Paper Samples

Table 3

Tensile properties shown by unaged and artificially aged Whatman paper.

SampleMaximum loadStrain at max loadYoung’s modulusEnergy at max load
(N)(%)(MPa)(mJ)

Unaged 1 9 . 9 ± 1 . 0 8 . 0 ± 0 . 5 9 0 2 ± 1 0 5 2 3 . 4 ± 2 . 0
Thermally aged 1 5 . 5 ± 0 . 7 6 . 3 ± 0 . 4 8 9 6 ± 7 0 1 4 . 2 ± 1 . 2
Aged in climatic chamber 2 0 . 5 ± 1 . 2 2 . 0 ± 0 . 3 1 7 9 9 ± 2 1 1 4 . 5 ± 0 . 9
Chemically aged 1 3 . 3 ± 1 . 6 3 . 1 ± 0 . 5 7 1 0 ± 1 1 1 4 . 4 ± 1 . 0
Photo-oxidated 1 0 . 7 ± 2 . 3 1 . 3 ± 0 . 1 1 3 0 2 ± 1 8 4 1 . 4 ± 0 . 4