用多糖化合物修改的凝混合物:一种潜在的替代不可降解塑料的替代品
Oleksandra Dzeikala1, Miroslawa Prochon1, Natalia Sedzikowska1
1Institute of Polymer and Dye Technology, Faculty of Chemistry, Lodz University of Technology, Stefanowskiego 16, 90-537 Lodz, Poland.
International journal of molecular sciences
|April 27, 2024
概括
这项研究开发了稳定的生物聚合物涂层,由凝混合与聚糖类 (如阿加和粉) 混合而成. 这些可生物降解材料为各种应用提供了传统塑料的可持续替代品.
科学领域:
- 材料科学 材料科学 材料科学
- 聚合物科学 聚合物科学
- 生物技术是生物技术.
背景情况:
- 由于处置和回收的限制,不可降解的塑料带来了重大的环境挑战.
- 越来越多的生态意识推动了对生物降解替代品的需求,特别是对一次性物品的需求.
- 生物聚合物及其衍生品为创造可持续生物塑料和混合物提供了潜力.
研究的目的:
- 创建和表征稳定的生物聚合物涂层使用凝混合物修改了多糖化物 (糖,卡拉基南,粉).
- 评估热和微生物降解对这些生物塑料性质的影响.
- 探索这些新型生物聚合物材料的潜在应用.
主要方法:
- 用各种多糖化合物制备凝混合物.
- 使用富里埃变换红外光谱学 (FTIR),热重力测量分析 (TGA) 和差分扫描热度计 (DSC) 进行了表征.
- 测量表面能量和接触角度,评估热和微生物降解效应.
主要成果:
- 添加阿加洛斯增加了27%的混合硬度,24%的表面能量,15%的软化点和14%的玻璃过渡温度.
- 将粉添加到凝增加了15%的软化点和6%的玻璃过渡温度.
- 在老化后,两种混合物都显示硬度增加了26%,抗拉强度下降了60%.
结论:
- 凝-多糖混合物显示出对生物聚合物涂层具有有前途的特性.
- 这些材料为传统塑料提供了可行的,可生物降解的替代品.
- 潜在的应用范围涵盖多个行业,包括食品,医疗,化品和装饰行业.
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