Cellulose Dissolved in Ionic Liquids for Modification of the Shape of Keratin Fibers

The methylimidazolium chloride ionic liquid (IL) was successfully used for the dissolution of cotton cellulose. IL and IL-cellulose were investigated by X-ray diffraction (XRD) and Fourier transform infrared (FT-IR) spectroscopy analyses. The obtained IL-cellulose was applied to wool and hair kerati...

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Bibliographic Details
Published in:ACS sustainable chemistry & engineering 2021-03, Vol.9 (11), p.4102-4110
Main Authors: Liu, Yuwei, Jing, Su, Carvalho, Diana, Fu, Jiajia, Martins, Madalena, Cavaco-Paulo, Artur
Format: Article
Language:English
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Summary:The methylimidazolium chloride ionic liquid (IL) was successfully used for the dissolution of cotton cellulose. IL and IL-cellulose were investigated by X-ray diffraction (XRD) and Fourier transform infrared (FT-IR) spectroscopy analyses. The obtained IL-cellulose was applied to wool and hair keratin fiber surfaces, forming a fine coating layer. From FT-IR and XRD analyses, the results suggested the reduction of hydrogen bonds and crystallinity in IL-cellulose-coated wool fibers. This effect was caused by covering the wool with the IL-cellulose coating, and good intrinsic mechanical properties were observed. Moreover, the dimensional performance of coated keratin fibers presented length variations of around 8 and 12% under wet and dry conditions for wool and hair fibers, respectively. Coated keratin fibers could be of great value for a cleaner process in the cosmetic area associated with their ability to stretch and curl when triggered by humidity.
ISSN:2168-0485
2168-0485
DOI:10.1021/acssuschemeng.0c08945