木材科学与技术2025，Vol.39Issue(2)：12-20,29,10.DOI:10.12326/j.2096-9694.2024116
糠醇/丙烯酰胺复合改性杨木的制备与性能研究
Study on Preparation and Properties of Poplar Wood Modified with Furfuryl Alcohol/Acrylamide
摘要
Abstract
In order to add value to the fast-grown wood species,Populus ussuriensis was selected as the raw material in this study.Different mass fractions of furfuryl alcohol(FA)oligomer solutions and varying ratios of furfuryl alcohol/acrylamide(AM)modifiers were applied to treat the wood.The distribution of the modifiers and their effects on the physical and mechanical properties of the modified wood were analyzed.The results showed that when the mass fraction of FA was 30%and the molecular weight of oligomers was less than 1 000,the modify solution entered the cell wall.The dimensional stability of furfuryl alcohol modified materials improves with the increase of FA mass fraction.After adding acrylamide,the weight gain rate and density of the FA/AM treated samples increased as the increase of AM addition.The anti-swelling coefficient reached 37.51%.When the ratio of FA to AM substances was 4∶1,the flexural strength of the modified material was 83.54 MPa,the flexural modulus was 14.83 GPa,and the impact strength was 28.64 kJ/m².The impact strength was 44.43%higher than that of the modified material with furfuryl alcohol alone(mass fraction of 30%).The acrylamide affects the self-crosslinking reaction of furfuryl alcohol,reduces the density of the network structure of furfuryl alcohol resin,and improves the impact strength of FA/AM modified materials.关键词
木材改性/糠醇改性/丙烯酰胺/冲击性能/尺寸稳定性Key words
wood modification/furfuryl alcohol modification/acrylamide/impact performance/dimensional stability分类
农业科技引用本文复制引用
朱涵,邹楚文,马荣花,程佳龙,谢延军,王海刚..糠醇/丙烯酰胺复合改性杨木的制备与性能研究[J].木材科学与技术,2025,39(2):12-20,29,10.基金项目
"十四五"国家重点研发计划"木质材料同质重组/异质复合增强关键技术"(2023YFD2201404). （2023YFD2201404）
