Abstract
A new energetic polymer, poly(vinyl 2,4,6-trinitrophenylacetal)-co-poly(vinyl acetate azide) (PVTNP-co-PVAA), was synthesized by a two-step process involving initial chloroacetylation and subsequent azidation of poly(vinyl 2,4,6-trinitrophenylaceta). The synthesized polymers were characterized by elemental analysis, UV-Vis, ATR-FTIR, and 1H NMR techniques. The glass-transition temperature of PVTNP-co-PVAA was evaluated by differential scanning calorimetry (DSC), and the thermal stability of PVTNP-co-PVAA was tested by differential thermal analysis (DTA) and thermogravimetric analysis (TGA). DSC traces showed that PVTNP-co-PVAA had two glass-transition temperatures at −27.53 and 67.05 °C, respectively. DTA and TGA curves showed that the thermo-oxidative degradation of PVTNP-co-PVAA in air was a two-step reaction, and the percentage of degraded PVTNP-co-PVAA reached nearly 100% at 600 °C.
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Jin, B., Shen, J., Peng, R. et al. Synthesis, characterization, and thermal stability properties of PVTNP-co-PVAA through the azidoacetylation of polyvinyl 2,4,6-trinitrophenylacetal. Macromol. Res. 22, 117–123 (2014). https://doi.org/10.1007/s13233-014-2028-7
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DOI: https://doi.org/10.1007/s13233-014-2028-7