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PUBLICATIONS

Structure Development in Cross-Linked, Soybean Oil-based Waterborne Polyurethanes

Published

Author(s)

Zoran S Petrovic, Jasna Djonlagic, Jian Hong, Milica Vuković, Jan Ilavsky, Brian Bush, Fan Zhang

Abstract

Development of waterborne polyurethanes (WPU) using bio-based sources represents a step towards sustainable materials science and industry. We synthesized bio-based cationic water-dispersed crosslinked polyurethanes from high oleic soybean oil (HOSO) polyol, isophorone diisocyanate, and methyldiethanol amine, with varying ionic group contents after neutralization with acetic acid. The synthesis-structure-property relationship is elucidated through comprehensive analyses of the products at different stages of the synthesis. The dispersion of the WPU particles in water must occur prior to gelation during the final preparation, leading to incomplete conversion and the formation of imperfect networks. Insight into the synthesis process and polymer structure was gained by simulating polymer network parameters. Morphological analyses using synchrotron-based X-ray scattering and atomic force microscopy revealed a hierarchical structure within the WPU films. Importantly, all the films prepared in this study have low water absorption and high water contact angles, demonstrating their potential for coatings and other applications.
Citation
Journal of Polymers and the Environment
Pub Type
Journals

Download Paper

https://doi.org/10.1007/s10924-024-03368-5
Local Download

Keywords

High oleic soybean oil, cross-linked polyurethane, water dispersions
Sustainability, Polymers, Materials characterization and Materials

Citation

Petrovic, Z. , Djonlagic, J. , Hong, J. , Vuković, M. , Ilavsky, J. , Bush, B. and Zhang, F. (2024), Structure Development in Cross-Linked, Soybean Oil-based Waterborne Polyurethanes, Journal of Polymers and the Environment, [online], https://doi.org/10.1007/s10924-024-03368-5, https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=957548 (Accessed January 17, 2025)

Issues

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Created August 16, 2024, Updated January 2, 2025