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Effect of Polyisobutylene Succinimide on the Physical Stability of an Environmentally Friendly Pesticide Oil Dispersion Suspension

Liying Wang*, Junzhi Liu, Chong Gao, Xinxin Yan

Institute of Functional Molecules, Shenyang University of Chemical Technology, Shenyang, 110142, China

* Corresponding Author: Liying Wang. Email: email

Journal of Renewable Materials 2023, 11(6), 2679-2694. https://doi.org/10.32604/jrm.2023.025569

Abstract

Oil dispersible suspension concentrates are safe, green, and environmentally friendly formulations. Problems such as layering, pasting, and bottoming are frequently encountered during the production, storage, and transportation process. Polyisobutylene succinimide functions as a dispersant and exhibits great potential to improve the physical stability of the oil dispersible suspension concentrate. From a microscopic perspective, the sorption characteristics of the polyisobutylene succinimide dispersant T151 on penoxsulam particle surfaces were comprehensively evaluated with XPS, FTIR, and SEM. The T151 adsorption procedure complied with a pseudo-second-order kinetic adsorption model, and it was a kind of physical sorption with an Ea of 22.57 kJ⋅mol−1. The T151 sorption model was consistent with the Langmuir isotherm. The adsorption process was spontaneous and followed by an entropy increase. The ΔHθ of dispersant T151 on the surface of penoxsulam particles was 31.59 kJ⋅mol−1. The adsorption procedure was endothermic, and the primary force was hydrogen bonding. The XPS results showed that the F and S electronic peaks at the penoxsulam interface decreased, and that the C electronic peak increased significantly after the adsorption of dispersant T151, indicating the adsorption on the surface of penoxsulam particles. The results of this study provide a vital theoretical basis for the application of polyisobutylene succinimide dispersants in oil dispersible suspension systems.

Graphical Abstract

Effect of Polyisobutylene Succinimide on the Physical Stability of an Environmentally Friendly Pesticide Oil Dispersion Suspension

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Cite This Article

APA Style
Wang, L., Liu, J., Gao, C., Yan, X. (2023). Effect of polyisobutylene succinimide on the physical stability of an environmentally friendly pesticide oil dispersion suspension. Journal of Renewable Materials, 11(6), 2679-2694. https://doi.org/10.32604/jrm.2023.025569
Vancouver Style
Wang L, Liu J, Gao C, Yan X. Effect of polyisobutylene succinimide on the physical stability of an environmentally friendly pesticide oil dispersion suspension. J Renew Mater. 2023;11(6):2679-2694 https://doi.org/10.32604/jrm.2023.025569
IEEE Style
L. Wang, J. Liu, C. Gao, and X. Yan "Effect of Polyisobutylene Succinimide on the Physical Stability of an Environmentally Friendly Pesticide Oil Dispersion Suspension," J. Renew. Mater., vol. 11, no. 6, pp. 2679-2694. 2023. https://doi.org/10.32604/jrm.2023.025569



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