Research Article
Thermogravimetric and Spectroscopic Analysis of 8-Hydroxyquinoline 5-Sulphonic Acid-melamine-formaldehyde Polymer Resin-IV
Table 2
Results of thermogravimetric analysis of 8-HQ5-SAMF-IV terpolymer resin.
| | Terpolymer resin | Half decomposition temp. (K) | Activation energy (KJ/mol) | Entropy change (J/degree) | Free energy change (KJ/mol) | Frequency factor (sec−1) | Apparent entropy (J) | Order of reaction found |
| | 8-HQ5-SAMF-IV |
653 | FC | SW |
−160.9 |
109.7 |
780 |
−19.1 |
0.98 | | 36.8 | 35.5 |
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FC = Freeman-Carroll, SW = Sharp-Wentworth.
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