The Influence of Amine Copper Quant Addition Amount and Phenol Formaldehyde Resin Content on the Properties of Oriented Strand Board

YE Chaoyu; YANG Tiantian; WANG Shuaiqi; ZHAI Shengcheng; MEI Changtong; PAN Mingzhu

doi:10.12326/j.2096-9694.2024071

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The Influence of Amine Copper Quant Addition Amount and Phenol Formaldehyde Resin Content on the Properties of Oriented Strand Board
College of Materials Science and Engineering，Nanjing Forestry University，Nanjing 210037，Jiangsu，China
Vol. 38, Issue 6, Pages: 32-38(2024)
Published： 30 November 2024 ，
DOI： 10.12326/j.2096-9694.2024071
稿件说明：

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YE CHAOYU, YANG TIANTIAN, WANG SHUAIQI, et al. The Influence of Amine Copper Quant Addition Amount and Phenol Formaldehyde Resin Content on the Properties of Oriented Strand Board. [J]. Chinese journal of wood science and technology, 2024, 38(6): 32-38.
DOI：

YE CHAOYU, YANG TIANTIAN, WANG SHUAIQI, et al. The Influence of Amine Copper Quant Addition Amount and Phenol Formaldehyde Resin Content on the Properties of Oriented Strand Board. [J]. Chinese journal of wood science and technology, 2024, 38(6): 32-38. DOI： 10.12326/j.2096-9694.2024071.

摘要

采用氨溶季铵铜（amine copper quant，ACQ）防腐剂和酚醛树脂（phenol formaldehyde resin，PF）胶黏剂制备定向刨花板（oriented strand board，OSB），研究ACQ添加量（2、4、6 kg/m

）和PF施胶量（8%、10%）对OSB物理力学性能和防腐性能的影响。结果表明：OSB的物理力学性能随ACQ添加量的增加而下降，但均满足GB/T 41715—2022《定向刨花板》中OSB/4的要求，ACQ可以提升OSB的防腐性能。增加PF施胶量改善了OSB的物理力学性能，当PF施胶量为10%，ACQ添加量为6 kg/m

时，试样受褐腐菌侵染12周后的质量损失率为1.72%，仅为对照样的22.7%。质量损失率和形貌分析结果说明，PF的物理包覆和ACQ对褐腐菌抑制的协同作用增强了OSB的防腐性能。

Abstract

In this study

oriented strand board (OSB) was made by adding amine copper quant (ACQ) and phenol formaldehyde resin (PF) in order to investigate the effects of ACQ additions (2

and 6 kg/m

) and PF additions (8% and 10%) on the physical

mechanical

and preservative properties of OSB. The study revealed that the physical and mechanical properties of the OSBs achieved the requirements of OSB/4 class boards in the GB/T 41715—2022 “

Oriented Strand Board

”

although these property values decreased as

the amount of preservative increased. Meanwhile

the addition of ACQ preservative improved the preservative properties of OSB. When the PF and ACQ content was at 10% and 6 kg/m

respectively

the average mass loss rate of the samples after 12 weeks of infection by brown rot fungus was finally reduced to 1.72%

which was only 22.7% of the control samples. The results of average mass loss rate and morphological analyses indicated that the physical encapsulation of PF and the synergism of ACQ enhanced the preservative properties of the samples. This study added data to enhance the understanding of the physical

mechanical

and preservative properties of OSB

specifically regarding improvements in durability and long-lasting utilization.

关键词

定向刨花板氨溶季铵铜力学性能防腐性能固化性能质量损失率

Keywords

oriented strand boardACQmechanical propertiespreservative propertiescured propertymass loss rate

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