高效的纤维素溶解和衍生由酸/硫酸为高性能纤维素薄膜作为食品包装所实现的有效纤维素溶解和衍生
Mingchen Yang1, Yi Chen1, Somia Yassin Hussain Abdalkarim1
1Key Laboratory of Intelligent Textile and Flexible Interconnection of Zhejiang Province, Zhejiang Sci-Tech University, Xiasha Higher Education Park Avenue 2 No.928, Hangzhou 310018, China.
International journal of biological macromolecules
|July 17, 2024
概括
一种新型的低温氧酸/硫酸溶剂系统有效地溶解和衍生纤维素. 该方法产生高性能纤维素薄膜,增强强度和稳定性,用于可持续的包装应用.
科学领域:
- 材料科学 材料科学 材料科学
- 聚合物化学 聚合物化学
- 绿色化学 绿色化学
背景情况:
- 基于纤维素的材料对于工业应用至关重要.
- 有效的纤维素溶解和衍生是关键的,但通常受到恶劣条件和环境问题的阻碍.
研究的目的:
- 开发一种低温,环保的溶剂系统,用于纤维素溶解和衍生.
- 创建高性能纤维素膜,用于可持续的应用,如食品包装.
主要方法:
- 在低温下使用氧酸和硫酸混合溶剂系统.
- 研究了纤维素在混合酸中的溶解和衍生机制.
- 从新的溶剂系统中制造和特征化的纤维素薄膜.
主要成果:
- 在低温下实现了高效的纤维素溶解 (8-10%) 和衍生物化.
- 开发了一种稳定的纤维素溶液,可以在-18°C下长期储存.
- 与硫酸加工的薄膜相比,生产的纤维素薄膜具有更高的抗拉强度 (高达66.1 MPa),热稳定性和聚合度.
结论:
- 氧酸/硫酸系统为纤维素加工提供了有效和可持续的替代方案.
- 使用这种方法可以制造具有改进性能的高性能纤维素薄膜.
- 这种方法为在工业规模的应用中利用可再生资源开辟了新的途径,例如食品包装.
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