This article presents an elucidative research that aims to bring new uses for the juvenile pine wood, which is highly available and commercially undervalued. For that, specimens from adult pine trees were cut from near to both their pith and bark in order to present the juvenile and mature pine woods, respectively. These specimens were then impregnated with a furfuryl alcohol-based solution, which was in situ polymerized by heating. Treatment parameters (weight percentage gain and density), as well as chemical (by infrared spectroscopy), thermal (by thermogravimetry) and mechanical (by flexure and hardness tests) features were evaluated. Typical mechanisms reported in previous studies for pine woods subjected to furfurylation were also obtained here, including reactions of the furfuryl alcohol with lignin and hemicelluloses from the pine wood, increase in thickness of the wood cell wall, as well as certain increases in thermal and mechanical features. Additionally, thermal stability (in all temperatures) and hardness of the furfurylated juvenile wood overcame the same properties of the untreated mature wood. Still regarding this comparison, the stiffness in flexure was similar for both of them.

本文提供了一项说明性研究，旨在为松木的新用途带来新的用途，松木的实用性和商业价值被低估。为此，将成年松树的标本从髓和树皮附近切下，以分别呈现出少年松木和成熟松木。然后将这些样品用糠醇基溶液进行原位浸渍通过加热聚合。评估了处理参数（重量百分比增加和密度）以及化学（通过红外光谱），热（通过热重分析）和机械（通过弯曲和硬度测试）特征。此处还获得了先前研究中对糠醛进行糠基化处理的典型机理，包括糠醇与松木中的木质素和半纤维素的反应，木质细胞壁厚度的增加以及热和机械强度的某些增加。特征。另外，糠醛化的幼木的热稳定性（在所有温度下）和硬度克服了未处理的成熟木的相同性能。仍在进行比较，两者的弯曲刚度相似。