Adsorption Studies of Methacrylic Acid-Styrene-Acrylic Polyethers Copolymer on Imidacloprid Particles

Han Hao; Jian Guo Feng; Teng Fei Fan; Wen Jun Liu; Xue Min Wu

doi:10.4028/www.scientific.net/AMR.936.854

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 936Adsorption Studies of Methacrylic...

Adsorption Studies of Methacrylic Acid-Styrene-Acrylic Polyethers Copolymer on Imidacloprid Particles

Abstract:

The adsorption of methacrylic acid-styrene-acrylic polyethers (MAA-St-APEG) copolymer on the insecticide imidacloprid particles was studied to calculate the kinetic, isotherm and thermodynamic parameters. The kinetic data followed the pseudo-second order kinetic model, and the equilibrium data were well fitted by the Langmuir isotherm model with the maximum adsorption amount of 7.610 mg·g-1 at 298 K. The calculated thermodynamic parameters including ΔG, ΔH and ΔS, demonstrated that this adsorption was a spontaneous and exothermic process in nature. Therefore, MAA-St-APEG copolymer are eligible for the dispersion of imidacloprid particles in aqueous solution as a effective dispersant.

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Advanced Materials Research (Volume 936)

Pages:

854-858

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.936.854

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Online since:

June 2014

Authors:

Han Hao, Jian Guo Feng, Teng Fei Fan, Wen Jun Liu, Xue Min Wu*

Keywords:

Adsorption, Imidacloprid, Kinetic, Methacrylic Acid-Styrene-Acrylic Polyether Copolymer, Thermodynamic

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