Thermal Degradation Studies of Terpolymer Derived from 2-Aminothiophenol, Hexamethylenediamine, and Formaldehyde

Table 4

¹H-NMR spectral data of 2-ATPHMDAF-I terpolymer.

^1H-NMR chemical shift; (𝛿) ppm of terpolymer	Nature of protons assigned
8.05 s	Meta proton of Ar–H (aromatic –H)
7.2 s	Proton of Ar–SH (thiophenol)
6.7 s	Amino proton of –CH2–NH–CH2– (NH-bridge)
6.5 s	Proton of Ar–NH2 (phenolic –NH2)
4.1 t	Methylene proton of –NH–CH2–CH2– linkage
2.5 s	Methylene proton of Ar–CH2–NH– linkage
1.5 q	Methylene proton of –CH2–CH2–CH2– linkage