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从可食用的真菌菌菌中生长可持续的屏障涂层

Sandro Zier¹, Liza R White^1,2, Dalton Johnstone¹

¹Department of Chemical and Biomedical Engineering, University of Maine, Orono, Maine 04469, United States.

Langmuir : the ACS journal of surfaces and colloids

|September 26, 2025

概括

这项研究引入了一种使用纤维素纳米纤维 (CNF) 和真菌菌的新方法,用于为纸张和织品制造可持续的,耐水性涂层. 这些基于生物的障碍物为塑料提供了一个有希望的替代品.

科学领域:

材料科学材料科学材料科学
生物技术是生物技术.
可持续化学可持续化学

背景情况:

纤维素纳米纤维 (CNFs) 为塑料提供了可持续的替代品,但受水友性限制.
在各种基板上开发有效的水障碍仍然是可持续材料面临的挑战.

研究的目的:

开发一种可持续的,低能耗的方法,以提高纸张和织基板的液态耐水性.
为了研究在CNF矩阵上培养的真菌菌的有效性,以创建疏水涂层.

主要方法:

在CNF涂层纸张和织基板上直接生长真菌菌.
描述涂料的水接触角度 (CA),水吸收,油脂屏障特性,空气透性和氧气传递率.
将CNF和纸作为矩阵材料进行比较,并评估水蛋白的作用.

主要成果:

基于CNF的菌株涂层实现了高CA (139.1°) 和低吸水量 (29.6 gm−2),明显优于单独的CNF (CA 27.2°,吸水量 80.0 gm−2).
涂料保持了出色的油脂耐油性 (套件测试12),空气透性和氧气屏障性能.
与纸相比,CNF矩阵促进了更快的菌根生长,更高的CA和更低的水吸收.

结论:

种植基于CNF的菌株涂层是一种可扩展和可持续的方法,可以使纸张和织品具有抗水性.
该方法为一次性塑料提供了可行的替代方案,利用生物基材料增强屏障功能.

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