Moisture-Induced Reversible Softening of Polyacrylates-Stiffened Cotton Fabrics 

Vol. 23,  No. 5, pp. 1284-1292, May  2022


The stiffening finishing of cotton fabrics has been widely used in textile industry. However, the notorious softening of stiffened fabrics attenuated the stiffening style during storage. To reveal crucial factors responsible for the softening phenomenon and elucidate the mechanism, cotton twill woven fabrics finished with polyacrylates (PAcr) stiffening agents were systematically analyzed. The sensitive index to stiffening effect, i.e. stiffness value, was found which can fully assess the handle changes of stiffened fabrics. The stiffness value of stiffened cotton fabrics decreased rapidly in the initial stage of storage, and the declining extent was related to the hygroscopic behavior of stiffened fabrics. Based on the hygroscopic kinetic data, hygroscopic-drying cyclic experiments, and morphology characterization, it was found that interfaces between cotton fibers and stiffening agent film were maintained during the whole hygroscopic process, and the reason for handle changes of stiffened cotton fabrics was ascribed to the reversible moisture-induced plasticization effect on PAcr stiffening agent film and cotton fibers. Furthermore, the underlying softening mechanism was further proposed in this work. Collectively, the present results are crucial for anti-softening in stiffening finishing of hydrophilic fabrics and an important part for the research on the mechanism of softening of stiffened fabrics.

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  Cite this article

[IEEE Style]

Y. Mi, D. Wu, Y. Li, X. Cheng, X. Yang, S. Lan, Z. Cao, "Moisture-Induced Reversible Softening of Polyacrylates-Stiffened Cotton Fabrics," Fibers and Polymers, vol. 23, no. 5, pp. 1284-1292, 2022. DOI: 10.1007/s12221-022-4088-1.

[ACM Style]

Yifang Mi, Die Wu, Yongxiang Li, Xiaoxia Cheng, Xiaobo Yang, Shuxian Lan, and Zhihai Cao. 2022. Moisture-Induced Reversible Softening of Polyacrylates-Stiffened Cotton Fabrics. Fibers and Polymers, 23, 5, (2022), 1284-1292. DOI: 10.1007/s12221-022-4088-1.