Water Permeability and Adhesion Strength of Bio-based Coating Applied on Wood

IF 0.7 4区农林科学 Q4 MATERIALS SCIENCE, PAPER & WOOD

Drvna Industrija Pub Date : 2024-03-02 DOI:10.5552/drvind.2024.0118

D. Angelski, K. Atanasova

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引用次数: 1

Abstract

The main task of wood manufacturers is to ensure the supply of safe wood products. In this respect, the use of plants as raw material for the wood coatings production is a sustainable alternative to fossil fuels, especially since innovative materials minimize the health and environmental risks of the final product over its entire lifespan. This paper presents a study of the water permeability of a water-borne bio-based coating applied to spruce (Picea abies), a study of the adhesion strength of the same coating applied to spruce (Picea abies), beech (Fagus sylvatica L.) and beech plywood, as well as a study of the adhesion strength on spruce after the water permeability test. The tests were performed according to EN 927-5:2006 and EN ISO 4624:2016. The roughness parameters were measured before and after the water permeability test. The coating was found to be hydrophobic but also water permeable. The highest value of adhesion strength was observed for beech surface, the lowest for spruce. The changes in the surface profiles after the water permeability test are insignificant. According to the water absorption criteria, this coating system could only be applied on exterior wood intended for end-use categores such as overlapping cladding, fencing, garden sheds, open cladding, and ventilated rain screen.

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生物基涂料在木材上的透水性和粘合强度

木材制造商的主要任务是确保供应安全的木材产品。在这方面，使用植物作为木器涂料生产的原材料是化石燃料的一种可持续替代品，尤其是因为创新材料可以最大限度地降低最终产品在整个生命周期内的健康和环境风险。本文介绍了应用于云杉（Picea abies）的水性生物基涂料的透水性研究，应用于云杉（Picea abies）、山毛榉（Fagus sylvatica L.）和山毛榉胶合板的相同涂料的附着强度研究，以及透水性测试后云杉的附着强度研究。测试根据 EN 927-5:2006 和 EN ISO 4624:2016 进行。在透水性测试前后测量了粗糙度参数。结果表明，涂层具有疏水性和透水性。榉木表面的附着强度值最高，云杉最低。透水性测试后表面轮廓的变化不大。根据吸水性标准，这种涂料系统只能用于最终用途类别的外部木材，如重叠覆层、栅栏、花园棚屋、开放式覆层和通风挡雨屏。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Drvna Industrija MATERIALS SCIENCE, PAPER & WOOD-

CiteScore

1.80

自引率

9.10%

发文量

审稿时长

>12 weeks

期刊介绍： "Drvna industrija" ("Wood Industry") journal publishes original scientific and review papers, short notes, professional papers, conference papers, reports, professional information, bibliographical and survey articles and general notes relating to the forestry exploitation, biology, chemistry, physics and technology of wood, pulp and paper and wood components, including production, management and marketing aspects in the woodworking industry.