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Citation: Fei Yang, Jin Lei, Song Hongwei, Huang Hui, Guo Zhongcheng. Study on the Polymerization Process of Polyaniline in Acetone/Water System[J]. Chemistry, ;2016, 79(5): 443-447. shu

Study on the Polymerization Process of Polyaniline in Acetone/Water System

Fei Yang ¹ ,
Jin Lei ¹ ,
Song Hongwei ¹ ,
Huang Hui ^1,2,, ,
Guo Zhongcheng ^1,2

1.
1. Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming 650093;
2.
2. Kunming Hendera Science and Teachnology Co. Ltd, Kunming 650093

Corresponding author: Huang Hui,
Received Date: 15 September 2015
Available Online: 5 November 2015
Fund Project:

Polymerization process of polyaniline (PAn) in acetone/water system was investigated. The reaction mechanism was obtained from analyses of open circuit potential, polymerization temperature, intrinsic viscosity and molecular structure of the intermediates. The results showed that the particle size and molecular weight of synthesized PAn can be effectively controlled in acetone/water system. When volume ratio of acetone/H₂O is 0.2, the synthesized PAn has better performance. In acetone/water system, high potential time, chain growth time and the acceleration response time have been greatly extended in the polymerization process. As-synthesized PAn is head-to-tail structure. In the chain-terminating step, the high oxidation state in termediates gradually transformed to PAn products.
- Polyaniline,
- Acetone/water,
- Apen circuit potential,
- Polymerization mechanism
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