Evaluation of the potential use of Amazonian palm species for the production of edge-glued panels

IF 1.3 Q2 MATERIALS SCIENCE, PAPER & WOOD International Wood Products Journal Pub Date : 2022-09-01 DOI:10.1080/20426445.2022.2117924
Bruna de Araújo Braga, S. Iwakiri, R. Trianoski, Renan Zunta Raia
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Abstract

ABSTRACT The potential of Attalea maripa and Attalea speciosa was evaluated for the production of edge-glued panels. The chemical and physical properties and the quality of the bonding of the species and mixed treatment between them, under different conditions, were evaluated. The length bonding was performed with polyvinyl acetate (PVA) adhesive and the side with PVA and emulsion polymer isocyanate (EPI) in two spreading rates. The species A. maripa has a lower content of extractives in cold and hot water, total extractives, ash and pH, and higher density compared to A. speciosa. The tangential, radial and volumetric shrinkage and shrinkage anisotropy of the species were statistically equal. On the length bonding, only in the tensile test after drying pre-treatment were the requirements of the technical standards not met. As regards side bonding, the treatments of A. maripa and mixed joints with EPI reached the standard for the pre-treatment in cold water.
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评估亚马逊棕榈物种用于生产边缘胶合板的潜在用途
摘要:研究了枫香树和枫香树在边沿胶合板生产中的应用潜力。在不同条件下,评价了两种材料的化学物理性能、结合质量和混合处理效果。用聚乙烯醇醋酸乙烯酯(PVA)胶粘剂进行长度键合,用PVA和乳液型聚合物异氰酸酯(EPI)进行侧面键合。冷、热水浸出物含量、总浸出物含量、灰分和pH值均低于黄芪,密度高于黄芪。各树种的切向收缩、径向收缩和体积收缩各向异性在统计学上是相等的。在长度粘接上,只有在拉伸试验中干燥预处理后均未达到技术标准的要求。在侧键方面,用EPI处理的麻麻和混合接头均达到冷水预处理标准。
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来源期刊
International Wood Products Journal
International Wood Products Journal MATERIALS SCIENCE, PAPER & WOOD-
CiteScore
2.40
自引率
0.00%
发文量
27
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