通过二氧化碳辅助工艺制备的基托基功能膜的可持续制造和结构性质评估
Karol Staszczyk1, Szymon Mania1, Robert Tylingo1
1Department of Chemistry, Technology and Biotechnology of Food, Faculty of Chemistry, Advanced Materials Center, Gdańsk University of Technology, G. Narutowicza 11/12 Str., 80-233, Gdansk, Poland.
Carbohydrate polymers
|January 30, 2026
概括
这项研究提出了一种绿色方法,使用二氧化碳 (CO2) 制造基托桑膜,避免使用恶劣化学品. 该过程允许可调节的膜特性用于可持续的应用.
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:
- 在膜制造中对可持续材料和减少危险化学品的需求不断增长.
- 需要在膜技术中为化聚合物提供生物基替代品.
研究的目的:
- 开发一种使用CO2辅助溶解的基托基膜的绿色制造方法.
- 为了研究基托桑分子量和糖醇塑化对膜性质的影响.
- 为了选这些膜,以便在未来的功能应用中潜在地使用.
主要方法:
- 使用绿色CO2辅助溶解技术制造薄桑膜.
- 低,中,高分子量基托桑的研究,含有和不含有甘油.
- 使用FTIR和机械测试进行结构性,吸附性,机械性和离子容量性能的表征.
主要成果:
- FTIR分析证实了基托桑的功能组,并显示了由分子量和糖醇调节的结网络.
- 增加的糖含量导致更厚的膜,具有更好的尺寸稳定性,但减少了水的吸收和胀.
- 机械性能显示了刚性-灵活性的权衡,离子交换能力随着糖的添加而下降.
结论:
- 碳二氧化碳辅助溶解方法为酸盐膜制造提供了一个可持续的途径,消除了酸的使用.
- 酸盐的分子量和糖醇含量显著影响膜结构和特性,使其具有可调节的特性.
- 这种方法为设计用于各种应用的先进,功能性的基托基膜提供了基础.
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