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栗子宁/毛醇共聚物用于树木化学修饰

João Vitor Dorini Falavinha¹, Philippe Gérardin¹, Pedro Henrique Gonzales De Cademartori²

¹INRAE, UR 4370 USC 1445 LERMAB, Faculté des Sciences et Technologies, Université de Lorraine, 54506 Vandoeuvre-les-Nancy, France.

|May 14, 2025

概括

这项研究探讨了使用栗子素来取代木材修饰中的furfuryl酒精 (FA). 将50%的FA替换为树脂增强了木材的特性和抗真菌能力.

科学领域:

木材科学与技术木材科学与技术
聚合物化学聚合物化学
材料科学材料科学材料科学

背景情况:

桑宁是丰富的植物多,具有木材修饰的潜力.
之前的研究表明,木材修饰使用素和furfuryl alcohol (FA).
来自栗子 (Castanea sativa) 的水解素被研究为大规模的木材化学修饰.

研究的目的:

在木 (Fagus sylvatica L.) 化学修饰中用栗子素取代相当一部分醇 (FA).
为了评估这种基于色素的修改对木材各种特性的影响.
为了比较素修饰木材的性能与标准毛皮化.

主要方法:

用酸作为催化剂,用不同度和比例的FA和素浸木.
真空/大气压浸周期,然后在120°C下共聚合24小时.
分析重量百分比增加 (WPG),可浸性,抗效率 (ASE),热稳定性,可湿性和耐久性,以防止棕色腐烂 (Coniophora puteana) 和白色腐烂 (Coriolus versicolor).
使用FTIR光谱学进行化学表征.

主要成果:

将50%的FA质量替换为色素显著增加了WPG.
用素修饰的木材表现出与标准毛皮化工相比的可透性和尺寸稳定性.
这种新的治疗方法证明了对木材降解真菌的抗性增强.
在素修饰木材中观察到改善的湿透性和热稳定性.

结论:

将FA部分替换为栗子素是木材化学修饰的可行策略.
这种方法产生与标准毛皮化相比,具有优越的抗真菌性,湿透性和热稳定性的木材.
这些发现支持使用色素作为木材改造技术中可持续的组成部分.

关键词:

毛皮的化毛皮的化可水解的化剂是化剂.可再生资源是可再生的资源.保护木材保护木材

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