使用木制成的素纳米颗粒和酸盐复合材料对纸板进行疏水涂层
Le Van Hai1, Eun Sol Heo1, Cheol Yoon1
1Department of Materials Science and Chemical Engineering, Hanyang University, Ansan 15588, Gyeonggi-do, Republic of Korea.
Molecules (Basel, Switzerland)
|August 28, 2025
概括
素-素纳米颗粒 (CLN) 有效地为纸板制造了疏水屏障涂层,显著提高了耐水性. 一个单一的CLN层增强了纸板的性能,与纯素纳米颗粒不同.
科学领域:
- 材料科学
- 表面化学
- 纳米技术
背景情况:
- 纸板对水分的敏感性限制了它的应用.
- 开发可持续和有效的疏水涂层对于材料增强至关重要.
- 素纳米颗粒为表面修饰提供了可生物降解的替代品.
研究的目的:
- 评估素-素纳米颗粒 (CLN) 作为纸板的疏水屏障涂层.
- 将CLN与纯素纳米颗粒的性能进行比较.
- 确定最佳的CLN涂层策略以提高耐水性.
主要方法:
- 使用乙醇和乙混合溶剂合成的lignin纳米粒子.
- 通过扫描电子显微镜 (SEM) 和动态光散射对纳米粒子进行表征.
- 在纸板上应用单层和多层CLN涂层.
- 使用水接触角测量和SEM分析进行疏水性评估.
主要成果:
- 纯素纳米粒子涂层导致表面裂和粘附性差.
- CLN涂层显著增加了纸板的水接触角度,从109°增加到超过128°.
- 一个单一的CLN层有效地传递了疏水性和改善了表面的光滑性.
- 多层CLN涂层没有进一步改善疏水性.
结论:
- 素-素纳米颗粒对于在纸板上制造疏水屏障涂层非常有效.
- 单层CLN涂层提供了足够的防水性能和表面增强.
- CLN涂层为改善纸板功能提供了一个有前途的可持续解决方案.
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