紫外线诱导的光色宏观纤维来源于细菌纤维素
Lixi Xie1, Yajing Yu1, Dingsheng Wu1,2
1Key Laboratory of Eco-Textiles, Ministry of Education Jiangnan University, Wuxi, Jiangsu, 214122, P. R. China.
Small (Weinheim an der Bergstrasse, Germany)
|April 4, 2025
概括
使用生物基细菌纤维素 (BC) 和螺旋氨酸微囊开发出环保的光色纤维. 这些快速可逆,对紫外线敏感的纤维为智能织品和防伪应用提供了可持续的替代品.
科学领域:
- 材料科学 材料科学 材料科学
- 织工程 织工程 织工程
- 聚合物化学 聚合物化学
背景情况:
- 商业上可用的光色纤维依赖于基于石油的聚合物,与可持续发展目标相冲突.
- 织行业对环保功能材料的需求日益增加.
- 生物基材料为传统合成聚合物提供了一个可持续的替代品.
研究的目的:
- 开发新的,环保的,快速可逆的光色生物纤维.
- 为了研究光色微囊融入细菌纤维素宏观纤维的整合.
- 评估开发的生物基纤维的机械和光色特性.
主要方法:
- 细菌纤维素 (BC) 和TEMPO-氧化BC (TOBC) 纳米纤维的湿与基于螺旋的光色微囊 (PM).
- 用于纤维制造的胺反应.
- 机械强度和光色反应的表征 (响应时间,可逆性,紫外线光谱).
主要成果:
- 使用BC,TOBC和PM开发出光色生物基宏纤维.
- 在0.2%重量%的PM度下达到1.51cN/dtex的最大破裂强度,比纯TOBC增加14%.
- 在紫外线 (200-400纳米) 下显示出快速 (1秒),可逆的颜色变化,具有持久的性能.
- 作为概念验证,成功创建了UV诱导的改变颜色的鲜花和纹理织品.
结论:
- 成功开发了创新的环保光色生物纤维.
- 开发出来的纤维具有出色的机械性能和快速可逆的光色特性.
- 这些生物基纤维代表了反假冒和时尚织品的有希望的新一代,与可持续性倡议保持一致.
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