Biological durability and wood–water interactions of sorbitol and citric acid (SorCA) modified wood

IF 2.2 3区农林科学 Q2 FORESTRY

Journal of Wood Science Pub Date : 2023-10-17 DOI:10.1186/s10086-023-02108-y

Katarzyna Kurkowiak, Lukas Emmerich, Holger Militz

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引用次数: 0

Abstract

Abstract This study aimed to investigate the relationship between moisture dynamics of sorbitol and citric acid (SorCA) modified wood and its biological durability. Specifically, the research aimed to determine the chemical loading needed for effective protection against wood-destroying basidiomycetes, while also improving the understanding of the moisture behavior of SorCA-modified wood. The SorCA modification process is relatively new, and thus, there is limited knowledge on its moisture behavior and its impact on biological durability. The research focused on Scots pine sapwood ( Pinus sylvestris L.) and used the EN 113-2 standard to investigate its durability against wood-destroying basidiomycetes. Moisture behavior was analyzed through short-term water uptake and release tests, capillary water uptake and CEN/TS 16818. Results showed a significant reduction in liquid and water vapor uptake, likely due to a reduction in the maximum moisture capacity within the wood cell wall. The study confirmed that high chemical loadings (i.e., weight percent gain, WPG) are necessary for adequate decay protection.

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山梨醇和柠檬酸(SorCA)改性木材的生物耐久性和木-水相互作用

摘要本研究旨在探讨山梨糖醇和柠檬酸改性木材(SorCA)的水分动态与其生物耐久性的关系。具体来说，该研究旨在确定有效防止破坏木材的担子菌所需的化学负荷，同时也提高了对sorca改性木材水分行为的理解。SorCA改性工艺相对较新，因此，对其水分行为及其对生物耐久性的影响的了解有限。本研究以苏格兰松边材(Pinus sylvestris L.)为研究对象，采用en113 -2标准考察其对破坏木材的担子菌的耐久性。通过短期吸水和释放试验、毛细吸水和CEN/TS 16818测试分析了水分行为。结果表明，液体和水蒸气的吸收显著减少，可能是由于木材细胞壁内最大水分容量的减少。该研究证实，高化学负荷(即增重百分比，WPG)对于充分的防腐是必要的。

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来源期刊

Journal of Wood Science 工程技术-材料科学：纸与木材

CiteScore

5.40

自引率

10.30%

发文量

审稿时长

6 months

期刊介绍： The Journal of Wood Science is the official journal of the Japan Wood Research Society. This journal provides an international forum for the exchange of knowledge and the discussion of current issues in wood and its utilization. The journal publishes original articles on basic and applied research dealing with the science, technology, and engineering of wood, wood components, wood and wood-based products, and wood constructions. Articles concerned with pulp and paper, fiber resources from non-woody plants, wood-inhabiting insects and fungi, wood biomass, and environmental and ecological issues in forest products are also included. In addition to original articles, the journal publishes review articles on selected topics concerning wood science and related fields. The editors welcome the submission of manuscripts from any country.