Evaluation of wood-based panel durability using bending properties after accelerated aging treatments
Evaluation of wood-based panel durability using bending properties after accelerated aging treatments
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DOI：
10.1007/s10086-010-1146-x
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发表时间：
2011-04-01
影响因子：
2.9
通讯作者：
Suzuki, Shigehiko
中科院分区：
文献类型：
--
作者：
Kojima, Yoichi;Suzuki, Shigehiko
通过将经过五次加速老化处理的板材的弯曲性能与在日本静冈市经历了5年户外暴露的板材的弯曲性能进行比较来评估人造板的耐久性。在每种加速老化处理中，亚甲基二苯基二异氰酸酯粘合的面板比苯酚甲醛（PF）粘合的面板表现出更高的弯曲保持力。 JIS-B、APA D-1 和 ASTM 处理的六次重复循环后的弯曲保持量显示，三种不同处理的数据几乎一一对应。静冈市5年的户外暴露测试数据显示，所有面板的弯曲保持力随着时间的推移而下降。特别是，在 5 年暴露期后，PF 树脂粘合刨花板和白杨定向刨花板的弯曲保留率分别低于原始值的 30% 和 10%。在静冈市户外暴露 5 年后，弯曲性能的恶化与重复 6 次 ASTM 处理的情况相同。
The durability of wood-based panels was evaluated by comparing the bending properties of panels subjected to five accelerated aging treatments with the bending properties of panels that had experienced 5 years of outdoor exposure in Shizuoka City, Japan. In each accelerated aging treatment, methylene diphenyl diisocyanate-bonded panels showed higher bending retention than phenol formaldehyde (PF)-bonded panels. The bending retentions after six repeated cycles of the JIS-B, APA D-1, and ASTM treatments showed a correspondence of nearly one-to-one in the data for the three different treatments. The Shizuoka City 5-year outdoor exposure test data showed that the bending retentions of all panels decreased with time. In particular, the bending retentions of PF resin-bonded particleboard and oriented strandboard made from aspen were less than 30% and 10% of the original values, respectively, after the 5-year exposure period. The deterioration of the bending properties after the 5-year outdoor exposure in Shizuoka City was the same as that for six repetitions of the ASTM treatment.