制造工业质素成为坚固且多功能超性涂层,以有效地防止结冰
Liyunlong Wang1, Zongwei Guo1, Daliang Guo2
1State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China.
International journal of biological macromolecules
|December 19, 2024
概括
这项研究开发了一种耐用,环保的超性涂层,该涂层由性素 (alkali lignin) 制成,性素是造纸业的副产品. 可再生涂层有效地防止表面形成冰,即使在极端条件下.
科学领域:
- 材料科学 材料科学 材料科学
- 表面化学 表面化学
- 环境科学 环境科学
背景情况:
- 超疏水涂层提供有效的抗结冰解决方案.
- 使用可再生材料提高了抗结冰技术的可持续性.
- 作为纸业副产品的性木质素为增值应用提供了机会.
研究的目的:
- 开发一种使用性木质素的强大且多功能超性涂层.
- 为了评估基于素的涂层的抗结冰性能和耐用性.
- 探索工业木质素在创造可持续抗结冰解决方案方面的潜力.
主要方法:
- 用1H,1H,2H,2H-perfluorooctyltrichlorosilane对性木质素进行移植修饰.
- 表面性质的表征,包括接触角度测量.
- 通过抗冲击和抗磨损的测试涂层的强度.
- 通过低温下的冷延迟和耐久性测试来评估抗结冰性能.
主要成果:
- 基于素的涂层实现了162.1°的超疏水性接触角度.
- 涂层表现出了特殊的强度,在经历了显著的机械应力后保持了其性能.
- 观察到出色的自我清洁,抗UV衰老,以及高温耐用性.
- 超疏水性合金样本显示,水滴结时间增加了三倍,在-24°C下维持了10天的性能.
结论:
- 可以成功地从工业性木质素开发出环保的超性涂层.
- 开发的涂层具有出色的抗结冰性能和耐用性,适合极端条件.
- 这项研究突出了将红素废弃物价值化为高性能材料的潜力.
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