Synthesis and Application of Fluorine-Free Waterborne Polyurethane-Acrylate Water-Repellent Finishing Agent 


Vol. 24,  No. 5, pp. 1585-1594, May  2023
10.1007/s12221-023-00176-x


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  Abstract

Functional textiles are widely concerned because of their potential applications in various fields, water-repellent textiles play a vital role in functional textiles because of their huge practical needs. However, the realization of water-repellent finishing agent with high stability and heat resistance has remained an open challenge, limiting the further application of water-repellent textiles. Herein, waterborne polyurethane (WPU) is prepared by introducing C = C bonds into polyurethane (PU) side chains using trimethylolpropane monoallyl ether (TMPME) as a grafting agent by self-emulsification. As a seed emulsion, WPU is further copolymerized with acrylate monomers to prepare waterborne polyurethane/acrylate (WPUA). Interestingly, the WPUA emulsions with obvious core–shell structure exhibit excellent storage stability and heat resistance, which can cover the fabric surface and form a thin film. The static contact angle up to 151° imparts excellent water repellency to the fabric. Thus, a water-repellent finishing agent was successfully assembled, which possesses high reference value for designing and preparing such materials.

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  Cite this article

[IEEE Style]

C. Wang, A. Yao, Z. Zhang, G. Xiao, Y. Jiang, C. Xu, J. Du, "Synthesis and Application of Fluorine-Free Waterborne Polyurethane-Acrylate Water-Repellent Finishing Agent," Fibers and Polymers, vol. 24, no. 5, pp. 1585-1594, 2023. DOI: 10.1007/s12221-023-00176-x.

[ACM Style]

Chuanli Wang, Ankang Yao, Zheng Zhang, Guowei Xiao, Yang Jiang, Changhai Xu, and Jinmei Du. 2023. Synthesis and Application of Fluorine-Free Waterborne Polyurethane-Acrylate Water-Repellent Finishing Agent. Fibers and Polymers, 24, 5, (2023), 1585-1594. DOI: 10.1007/s12221-023-00176-x.

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