Morphological characterization and kinetics study of polyaniline film formation by emulsion polymerization |
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| Authors: | Zhi-hong Mo Wei Qiu Xiao-chao Yang Jun Yan Zi-di Gu |
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| Affiliation: | (1) College of Chemistry and Chemical Engineering, Chongqing University, Chongqing, 400044, China;(2) Micro-System Research Center, Chongqing University, Chongqing, 400044, China;(3) College of Bioengineering, Chongqing University, Chongqing, 400044, China |
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| Abstract: | The kinetics and morphology of polyaniline film prepared by using ammonium persulfate (APS) as oxidant and dodecylbenzoyl
sulfonic acid (DBSA) as both emulsifier and dopant were studied in this paper. The kinetics of the formation of polyaniline
film was determined by using the quartz crystal microbalance (QCM), and the film morphology was characterized by scanning
electron microscopy (SEM). The reaction exhibited half-order kinetics with respect to APS concentration and first-order kinetics
with respect to aniline concentration. The activation energy is 41.15 kJ/mol, and the growth rate of PANI film increased with
increasing temperature and decreased with increasing concentration of DBSA. |
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| Keywords: | Polyaniline PANI film Kinetics Quartz crystal microbalance Emulsion polymerization |
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