Cellulose Dissolved in Ionic Liquids for Modification of the Shape of Keratin Fibers,ACS Sustainable Chemistry & Engineering

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Cellulose Dissolved in Ionic Liquids for Modification of the Shape of Keratin Fibers
ACS Sustainable Chemistry & Engineering ( IF 7.1 ) Pub Date : 2021-03-10 , DOI: 10.1021/acssuschemeng.0c08945
Yuwei Liu ₁ , Su Jing ₁ , Diana Carvalho ₂ , Jiajia Fu ₃ , Madalena Martins ₂ , Artur Cavaco-Paulo _{1,

4}

Affiliation

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.

中文翻译：

溶解在离子液体中的纤维素，用于修饰角蛋白纤维的形状

甲基咪唑氯化物离子液体（IL）已成功用于棉纤维素的溶解。通过X射线衍射（XRD）和傅立叶变换红外（FT-IR）光谱分析研究了IL和IL-纤维素。将获得的IL-纤维素施用于羊毛和毛发角蛋白纤维表面，形成精细的涂层。通过FT-IR和XRD分析，结果表明IL-纤维素包覆的羊毛纤维中氢键的减少和结晶度的降低。这种作用是由于用IL-纤维素涂层覆盖羊毛引起的，并观察到良好的固有机械性能。此外，涂覆的角蛋白纤维的尺寸性能在羊毛和毛发纤维在干湿条件下的长度变化分别约为8％和12％。

更新日期：2021-03-22

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