Cotton Cellulose-Derived Hydrogel and Electrospun Fiber as Alternative Material for Wound Dressing Application

IF 3 Q3 MATERIALS SCIENCE, BIOMATERIALS
Supidcha Jirawitchalert, Samon Mitaim, Ching-Yi Chen, N. Patikarnmonthon
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引用次数: 4

Abstract

Cotton has been recognized as a useful biomaterial over decades, and it has been widely applied in the textile industry. However, a large amount of cotton waste is generated during the manufacturing processes, but it has been considered as a low-value product. With high content of cellulose remaining in cotton waste, our study focuses on transforming cotton cellulose into a valuable product. Cellulose was extracted from cotton waste and modified into two main materials for wound dressing application: hydrogel-based water absorbent materials and electrospun composite nanofibers. In order to enhance the water absorption, carboxymethyl cellulose (CMC), the modified cellulose with functional group prone to interact with water molecules, has been developed in this study. The hydrogel-based CMC was created by using the chemical cross-linking reaction of epichlorohydrin (ECH). The hydrogel demonstrated the swelling and reswelling ability by 1718 ± 137% and 97.95 ± 9.76%, respectively. Meanwhile, cellulose/PEG in trifluoroacetic acid (TFA) was successfully fabricated as nonwoven composite by a conventional electrospinning technique. The fabrics provided highly appropriated properties as wound dressing, including the following: water absorption was up to 1300 times and water vapor permeability controlled in the range of 2163–2285 g·m−2·day−1. This showed the preliminary information for recovering cotton waste into valuable products.
棉纤维素水凝胶和静电纺丝纤维作为伤口敷料的替代材料
几十年来,棉花作为一种有用的生物材料已被公认,并在纺织工业中得到了广泛的应用。然而,在生产过程中产生了大量的棉花废料,但它一直被认为是低价值产品。由于棉花废料中纤维素的含量很高,我们的研究重点是将棉花纤维素转化为有价值的产品。从废棉中提取纤维素并对其进行改性,制备了两种主要的伤口敷料材料:水凝胶基吸水材料和静电纺复合纳米纤维。为了提高纤维素的吸水性,本研究开发了羧甲基纤维素(carboxymethyl cellulose, CMC),这是一种具有易于与水分子相互作用的官能团的改性纤维素。利用环氧氯丙烷(ECH)的化学交联反应制备了水凝胶基CMC。水凝胶的溶胀性和溶胀性分别为1718±137%和97.95±9.76%。同时,采用静电纺丝技术成功制备了三氟乙酸(TFA)中纤维素/聚乙二醇(PEG)的非织造复合材料。织物具有良好的伤口敷料性能,吸水率可达1300倍,水蒸气渗透性控制在2163-2285 g·m−2·day−1。这为棉废资源化利用提供了初步信息。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
International Journal of Biomaterials
International Journal of Biomaterials MATERIALS SCIENCE, BIOMATERIALS-
CiteScore
4.30
自引率
3.20%
发文量
50
审稿时长
21 weeks
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