Biobased Furfurylated Poplar Wood for Flame-Retardant Modification with Boric Acid and Ammonium Dihydrogen Phosphate

被引：0

作者：

Ni, Ming ^{[1
]}

Li, Lei ^{[1
]}

Wu, Yiqiang ^{[1
]}

Qiao, Jianzheng ^{[1
]}

Qing, Yan ^{[1
]}

Li, Ping ^{[2
]}

Zuo, Yingfeng ^{[1
]}

机构：

[1] College of Materials Science and Engineering, Central South University of Forestry and Technology, Changsha

[2] College of Furniture and Art Design, Central South University of Forestry and Technology, Changsha

来源：

Journal of Renewable Materials | 2024年 / 12卷 / 08期

基金：

中国国家自然科学基金;

关键词：

ammonium dihydrogen phosphate; boric acid; flame retardancy; furfuryl alcohol; furfurylated wood; Poplar wood;

D O I：

10.32604/jrm.2024.054050

中图分类号：

学科分类号：

摘要：

Furfurylated wood exhibits excellent dimensional stability and corrosion resistance, making it a promising material for constructing buildings, but it is highly flammable. Herein, flame-retardant furfurylated poplar wood was produced via a two-step process utilizing boric acid (BA) and ammonium dihydrogen phosphate (ADP) as flame-retardant components, and biomass-derived furfuryl alcohol (FA) as a modifier. The acidity of BA and ADP allowed them to catalyze the polymerization of FA, which formed a cross-linked network that immobilized BA and ADP inside the wood. The addition of BA/ADP substantially delayed the time to ignition from 10 to 385 s and reduced the total heat release and total smoke release by 58.75% and 77.31%, respectively. Analysis of the pyrolysis process showed that the decomposition products of BA and ADP protected the underlying furfurylated wood and diluted combustible gases. This method significantly improved the fire retardancy and smokeless properties of furfurylated wood, providing promising prospects for its application as an engineering material. © 2024 The Authors.

引用

页码：1355 / 1368

页数：13

共 31 条

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