改性三聚氰胺脲醛树脂增强人工林杉木的性能

王飞; 刘君良; 吕文华

doi:10.19455/j.mcgy.20170304

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改性三聚氰胺脲醛树脂增强人工林杉木的性能
Properties of Plantation Grown Chinese Fir Enhanced with Modified Melamine Urea Formaldehyde Resin
1. 中国林科院木材工业研究所
2017年31卷第3期页码：18-21
DOI： 10.19455/j.mcgy.20170304

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[1]王飞,刘君良,吕文华.改性三聚氰胺脲醛树脂增强人工林杉木的性能[J].木材工业,2017,31(03):18-21.

WANG Fei, LIU Jun-liang, LV Wen-hua. Properties of Plantation Grown Chinese Fir Enhanced with Modified Melamine Urea Formaldehyde Resin[J]. China Wood Industry, 2017,31(3):18-21.
[1]王飞,刘君良,吕文华.改性三聚氰胺脲醛树脂增强人工林杉木的性能[J].木材工业,2017,31(03):18-21. DOI： 10.19455/j.mcgy.20170304.

WANG Fei, LIU Jun-liang, LV Wen-hua. Properties of Plantation Grown Chinese Fir Enhanced with Modified Melamine Urea Formaldehyde Resin[J]. China Wood Industry, 2017,31(3):18-21. DOI： 10.19455/j.mcgy.20170304.

摘要

采用改性三聚氰胺脲醛（MUF）树脂和递进式逐级渗透处理工艺,对人工林杉木进行浸渍处理,制备增强改性杉木木材,并与未改性素材进行物理化学性能的对比分析。结果表明:改性材的绝干密度、抗弯强度和抗弯弹性模量均有所提高,吸水率降低,热稳定性提高;FTIR和SEM分析显示,改性剂被成功引入、填充,并固化于木材管胞和纹孔等孔隙中。

Abstract

Plantation grown Chinese fir samples were treated with a modified melamine urea formaldehyde resin in a progressive gradual infiltration process. Physical and chemical properties of the treated and control samples were tested and compared. The results showed that oven-dry density, bending strength and bending elastic modulus of the treated samples increased with decreased water absorption and improved thermal stability. FTIR and SEM analysis also indicated that the resin modifier was successfully introduced, filled and cured in the wood’s tracheids and pits.