Research Article
Condensation Polymers of Terephthalic Acid and 1,4-Diaminobutane and Their Schiff Base Complexes
Table 4
TGA data of PTTA and its metal complexes.
| | Compounds | Temperature in °C | | 100 | 200 | 300 | 400 | 500 | 600 | 650 | 700 |
| | PTTA | 1.0 | 5.0 | 10.0 | 50.0 | 80.0 | 98.0 | — | — | | PTTA-Co(II)-Sal′ | 0.0 | 0.0 | 0.0 | 19.0 | 72.0 | 92.0 | 93.0 | 94.0 | | PTTA-Co(II)-Naphthal′ | 2.0 | 3.0 | 7.0 | 25.0 | 91.0 | 92.0 | 92.0 | 92.0 | | PTTA-Ni(II)-Sal′ | 0.0 | 2.0 | 8.0 | 42.0 | 85.0 | 90.0 | 91.0 | 92.0 | | PTTA-Ni(II)-Naphthal′ | 4.0 | 7.0 | 10.0 | 22.0 | 69.0 | 76.5 | 78.0 | 79.0 | | PTTA-Cu(II)-Sal′ | 0.0 | 2.0 | 9.0 | 39.0 | 77.0 | 94.0 | 94.0 | 94.5 | | PTTA-Cu(II)-Naphthal′ | 0.0 | 7.0 | 13.2 | 37.5 | 78.0 | 90.0 | 94.0 | — |
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