Enhancing properties of fast-grown poplar wood by impregnating nano hexagonal boron nitride fortified polyvinyl acetate resin

IF 2.5 3区农林科学 Q1 FORESTRY

European Journal of Wood and Wood Products Pub Date : 2025-09-20 DOI:10.1007/s00107-025-02331-y

Priya Nagraik, S. R. Shukla

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引用次数: 0

Abstract

Fast-grown plantation wood species such as poplar (Populus deltoides) are widely available but inherently possess poor decay resistance and limited mechanical strength which restricts its end-use applications. This study focuses on enhancing the properties by impregnating poplar wood with polyvinyl acetate (PVAc) resin fortified with nano hexagonal boron nitride (h-BN). The vacuum-pressure impregnation process was followed for treatment and the treated samples were evaluated for fungal decay resistance against brown rot and white rot fungi, as well as density, water absorption, surface hardness, compressive strength and thermal stability. Nanoparticles distribution within the wood microstructure was analysed using scanning electron microscopy (SEM) and energy-dispersive X-ray spectroscopy (EDS) mapping. Results showed that h-BN fortification of PVAc with different concentrations further improved the properties of poplar wood. These findings demonstrate that h-BN-PVAc impregnation is a promising modification method for producing a wood with enhanced properties for indoor wood products from fast-grown species which can be promising material towards sustainable development.

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浸渍纳米六方氮化硼强化聚醋酸乙烯树脂增强速生杨木性能

快速生长的人工林树种如杨树（Populus deltoides）广泛使用，但固有地具有较差的耐腐性和有限的机械强度，这限制了其最终用途。研究了用纳米六方氮化硼（h-BN）强化的聚醋酸乙烯酯（PVAc）树脂浸渍杨木的性能。采用真空-压力浸渍法对样品进行处理，并对处理后的样品进行抗褐腐和白腐真菌腐蚀性能、密度、吸水性、表面硬度、抗压强度和热稳定性等方面的评价。利用扫描电子显微镜（SEM）和能量色散x射线能谱（EDS）图分析了纳米颗粒在木材微观结构中的分布。结果表明，不同浓度的PVAc强化h-BN可进一步改善杨木的性能。这些发现表明，h-BN-PVAc浸渍是一种很有前途的改性方法，可以生产出具有增强性能的室内速生木材产品，是一种有前途的可持续发展材料。

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来源期刊

European Journal of Wood and Wood Products 工程技术-材料科学：纸与木材

CiteScore

5.40

自引率

3.80%

发文量

124

审稿时长

6.0 months

期刊介绍： European Journal of Wood and Wood Products reports on original research and new developments in the field of wood and wood products and their biological, chemical, physical as well as mechanical and technological properties, processes and uses. Subjects range from roundwood to wood based products, composite materials and structural applications, with related jointing techniques. Moreover, it deals with wood as a chemical raw material, source of energy as well as with inter-disciplinary aspects of environmental assessment and international markets. European Journal of Wood and Wood Products aims at promoting international scientific communication and transfer of new technologies from research into practice.