Citation: LI Dongliang, GUO Dewang, KANG Hu, WANG Juan, MA Li'e, YIN Yanhua. Synthesis and Characterization of Poly(vinyltetrazole-co-acrylic acid)[J]. Chinese Journal of Applied Chemistry, ;2016, 33(12): 1396-1400. doi: 10.11944/j.issn.1000-0518.2016.12.160116 shu

Synthesis and Characterization of Poly(vinyltetrazole-co-acrylic acid)

1.
The 718^thResearch Institute of China Ships Industrial Cooperation, Handan, Hebei 056027, China

Corresponding author: LI Dongliang,
Received Date: 17 March 2016
Available Online: 17 June 2016

Poly(vinlytetrazole-co-acrylonitrile)(Poly(VT-co-AN)) was synthesized via partial[3+2] cyclization of the cyano group of polyacrylonitrile, and then hydrolysis of the residual cyano group in basic condition leads to poly(vinyltetrazole-co-acrylic acid)(Poly(VT-co-AA)). The structures of Poly(VT-co-AA) and Poly(VT-co-AN) are characterized by FT-IR and ¹³C NMR. The results show that poly(VT-co-AN) contains tetrazole, cyano and carboxyl group, and the tetrazole content is 68.6%, which corresponds to the result of acid-base titration. The Poly(VT-co-AA) contains tetrazole and carboxyl group, and shows a higher acid value than Poly(VT-co-AN). The tetrazole content of Poly(VT-co-AA) is 67.6% and corresponds to the n(NaN₃)/n(PAN) ratio. Thermogravimetric analysis result shows that Poly(VT-co-AA) decomposes faster, and decomposes fully in 270~285℃.
- poly(vinyltetrazole-co-acrylic acid),
- polyacrylonitrile,
- [3+2] cyclizaction,
- basic hydrolysis reaction
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沈阳化工大学材料科学与工程学院沈阳 110142