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纸芯用改性淀粉浸渍对木质蜂窝板在变化气候条件下弯曲的影响。

Influence of Impregnation with Modified Starch of a Paper Core on Bending of Wood-Based Honeycomb Panels in Changing Climatic Conditions.

作者信息

Słonina Michał, Dziurka Dorota, Molińska-Glura Marta, Smardzewski Jerzy

机构信息

Department of Furniture Design, Faculty of Forestry and Wood Technology, Poznan University of Life Sciences, Wojska Polskiego 28, 60-637 Poznan, Poland.

Department of Mechanical Wood Technology, Faculty of Forestry and Wood Technology, Poznan University of Life Sciences, Wojska Polskiego 28, 60-637 Poznan, Poland.

出版信息

Materials (Basel). 2022 Jan 5;15(1):395. doi: 10.3390/ma15010395.

DOI:10.3390/ma15010395
PMID:35009541
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8746181/
Abstract

The main objective of the study was to determine the effect of impregnation of the paper core with acetylated starch on the mechanical properties and absorbed energy in the three-point bending test of wood-based honeycomb panels under varying temperatures and relative air humidity conditions. Nearly six hundred beams in various combinations, three types of facings, three core cells geometries, and two paper thicknesses were tested. The experiment results and their statistical analysis prove a significant relationship between the impregnation of paper with modified starch and mechanical properties. The most effective in absorbing energy, the honeycomb panels, consisted of a core with a wall thickness of 0.25 mm and a particleboard facing.

摘要

该研究的主要目的是确定在不同温度和相对空气湿度条件下，用乙酰化淀粉浸渍纸芯对木质蜂窝板三点弯曲试验中的力学性能和吸收能量的影响。测试了近六百根各种组合的梁，包括三种面板类型、三种芯格几何形状和两种纸张厚度。实验结果及其统计分析证明，用改性淀粉浸渍纸张与力学性能之间存在显著关系。吸收能量最有效的蜂窝板由壁厚为0.25毫米的芯和刨花板面板组成。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/977c/8746181/7a7093c036cc/materials-15-00395-g015.jpg
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