Preparation of a novel lignin-based flame retardant for epoxy resin

被引：71

作者：

Liang, Dingxiang ^{[1
]}

Zhu, Xiaojun ^{[1
]}

Dai, Peng ^{[2
]}

Lu, Xinyu ^{[1
]}

Guo, Haoquan ^{[1
]}

Que, Han ^{[1
]}

Wang, Dandan ^{[1
]}

He, Tao ^{[1
]}

Xu, Chaozhong ^{[1
]}

Robin, Hossain Mahmud ^{[1
]}

Luo, Zhenyang ^{[2
]}

Gu, Xiaoli ^{[1
]}

机构：

[1] Nanjing Forestry Univ, Coll Chem Engn, Coinnovat Ctr Efficient Proc & Utilizat Forest Pr, Nanjing 210037, Peoples R China

[2] Nanjing Forestry Univ, Coll Sci, Nanjing 210037, Peoples R China

来源：

MATERIALS CHEMISTRY AND PHYSICS | 2021年 / 259卷

基金：

中国国家自然科学基金;

关键词：

Lignin; Flame retardant; Epoxy resin; Smoke suppression;

D O I：

10.1016/j.matchemphys.2020.124101

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A renewable and eco-friendly lignin-based flame retardant was prepared to improve the flame retardant performance of epoxy resin (EP) by green and convenient one-step reaction of Ammonium Polyphosphate (APP), Melamine (MEL) and Al-lignin. Thermal and flame retardant properties test results showed that the properties of epoxy resin were significantly improved after adding 20% of flame retardant. Its carbon residue increased by 15.3 wt % and limit oxygen index value increased from 26.7% to 36.1%. In addition, it also showed excellent smoke suppression effect and low heat release rate. Its total smoke production (TSP) was 9.9 m(2) and total heat release (THR) rate was 53.1 MJ/m(2). In contrast, the TSP and THR of EP were much higher than 9.9 m(2) and 53.1 MJ/m(2), respectively. Kinetic analysis showed that the conversion rate ranging from 0.05 to 0.85 corresponded to activation energy between 97.83 kJ mol(-1) and 327.45 kJ mol(-1). Flame retardant mechanism showed that the performance of this renewable and eco-friendly lignin-based flame retardant was excellent in fire suppression and smoke suppression.

引用

页数：13

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