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Vol. 26 No. 11 (2014): Vol 26 Issue 11

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Degradation Behaviour of Hydrolyzed Polyacrylamide in Solution Induced by Autoxidation of Pyrogallol

H.P. Xin
School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, P.R. China ;Key Laboratory of Special Functional Aggregated Materials, Ministry of Education, Shandong University, Jinan 250100, P.R. China
S. Yin
School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, P.R. China ;Key Laboratory of Special Functional Aggregated Materials, Ministry of Education, Shandong University, Jinan 250100, P.R. China
D. Ao
School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, P.R. China ;Key Laboratory of Special Functional Aggregated Materials, Ministry of Education, Shandong University, Jinan 250100, P.R. China
X.J. Wang
School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, P.R. China ;Key Laboratory of Special Functional Aggregated Materials, Ministry of Education, Shandong University, Jinan 250100, P.R. China
R.Y. Li
Technology Research Department, CNOOC Research Center, State Key Laboratory of Offshore Oil Exploitation, Beijing 100027, P.R. China
J. Zhang
Technology Research Department, CNOOC Research Center, State Key Laboratory of Offshore Oil Exploitation, Beijing 100027, P.R. China
Y.B. Tan
School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, P.R. China ;Key Laboratory of Special Functional Aggregated Materials, Ministry of Education, Shandong University, Jinan 250100, P.R. China

Corresponding Author(s) : Y.B. Tan

ybtan@sdu.edu.cn

Asian Journal of Chemistry, Vol. 26 No. 11 (2014): Vol 26 Issue 11

Abstract

The degradation of hydrolyzed polyacrylamide in solution was studied using pyrogallol. This degradation could be induced without complicated treatments expect adding pyrogallol to hydrolyzed polyacrylamide solutions. Moreover, hydrolyzed polyacrylamide presented alkaline while progallol autoxidation could be effectively accelerated in alkaline environment. The decrease of apparent viscosity and weight-average molar mass as well as the aggregation radius of hydrolyzed polyacrylamide were evident in the degradation procedure. The mechanism of pyrogallol autoxidation was also investigated by UV-visible spectrum which indicated that superoxide radical generated in the pyrogallol autoxidation could attract the stone bones inducing the degradation of hydrolyzed polyacrylamide.

Keywords

Hydrolyzed polyacrylamide Pyrogallol Autoxidation Degradation
Xin, H., Yin, S., Ao, D., Wang, X., Li, R., Zhang, J., & Tan, Y. (2014). Degradation Behaviour of Hydrolyzed Polyacrylamide in Solution Induced by Autoxidation of Pyrogallol. Asian Journal of Chemistry, 26(11), 3155–3160. Retrieved from https://asianpubs.org/index.php/ajchem/article/view/4683
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