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首页> 外文期刊>Journal of Tropical Forest Science >Adhesion and bonding properties of low molecular weight phenol formaldehyde-treated plybamboo.
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Adhesion and bonding properties of low molecular weight phenol formaldehyde-treated plybamboo.

机译：低分子量苯酚甲醛处理的竹纤维的粘合性和粘合性能。

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摘要

This study investigated the adhesion of bamboo (Gigantochloa scortechinii) strips after impregnation with phenolic resin and the effect of curing time on bonding properties of low molecular weight phenol formaldehyde (LMwPF)-treated plybamboo. The optimum pressing time to produce LMwPF-treated plybamboo was also determined. Properties studied included wettablity, buffering capacity, shear strength and wood failure. The study showed that phenolic-treated strips had higher contact angle and, thus, were more difficult to be penetrated by liquid compared with untreated strips. Buffering capacity showed that bamboo strip was stable towards acid. Shear bond strength of the plybamboo met the requirement of BS EN 314-1. The study concluded that the optimum pressing times were 22 and 33 min for three- and five-ply plybamboo respectively to produce good glue joints.
机译：本研究研究了酚醛树脂浸渍后的竹（Gigantochloa scortechinii）条的粘附性以及固化时间对低分子量酚醛（LMwPF）处理的竹纤维粘合性能的影响。还确定了生产LMwPF处理的竹子的最佳压制时间。研究的特性包括润湿性，缓冲能力，剪切强度和木材破坏。研究表明，酚醛处理过的条带具有更高的接触角，因此与未处理过的条带相比，液体更难以渗透。缓冲能力表明竹条对酸稳定。竹木的抗剪强度满足BS EN 314-1的要求。研究得出结论，三层和五层竹子的最佳压制时间分别为22分钟和33分钟，以产生良好的胶接。

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