Abstract
The thermal decomposition of different aniline-formaldehyde (A-F) resins (1:1, 1:2. 1:3, 1:4 and 1:5) is studied in nitrogen and oxygen atmospheres. Values for the apparent reaction order, activation energy, pre-exponential factor are evaluated for different stages of decomposition. The validity of the linear kinetic compensation law is observed. The apparent activation energy values are higher in a nitrogen atmosphere than in an oxygen atmosphere and the higher value of the activation energy for the 1:5 A-F resin compared with the other A-F resins may be attributed to its larger cross-link density.
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