Research Article

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

Table 5

Kinetic parameter 𝐸 𝐴 (activation energy) for unaged and aged Whatman paper.

Sample 𝐸 𝐴 [kJ/mol]

Unaged208
Thermally aged199
Aged in climatic chamber195
Chemically aged203
Photo-oxidated193