Thermal performance and thermal decomposition kinetics of a novel lignin-based epoxy resin containing phosphorus and nitrogen elements

被引：19

作者：

Lu, Xinyu ^{[1
]}

Zhu, Xiaojun ^{[1
]}

Dai, Peng ^{[2
]}

Robin, Hossain Mahmud ^{[1
]}

Guo, Haoquan ^{[1
]}

Que, Han ^{[1
]}

Wang, Dandan ^{[1
]}

Liang, Dingxiang ^{[1
]}

He, Tao ^{[1
]}

Xu, Chaozhong ^{[1
]}

Luo, Zhenyang ^{[2
]}

Gu, Xiaoli ^{[1
]}

机构：

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

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

来源：

JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY | 2022年 / 147卷 / 08期

基金：

中国国家自然科学基金;

关键词：

Lignin; Epoxy resin; Flame retardant; Thermal stability; Kinetics; TG-FTIR ANALYSIS; FLAME-RETARDANT; PYROLYSIS KINETICS; DEGRADATION KINETICS; DIGLYCIDYL ETHER; STABILITY; BEHAVIOR; DOPO; PHOSPHAPHENANTHRENE; ALKALI;

D O I：

10.1007/s10973-021-10950-9

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Lignin-based epoxy resins containing phosphorus (P) and nitrogen (N) elements were prepared by blending the epoxy resin (EP) with different amounts of lignin-based flame retardant additive (Lig-F). The thermal performance of EP thermosets was performed via thermogravimetric analysis coupled with Fourier transformation infrared spectroscopy (TG-FTIR). The results showed that the presence of Lig-F had significant influence on thermal stability (tested by TG) and flame retardancy (determined by limited oxygen index, vertical burning and cone calorimeter) of EP thermosets. H-1 NMR and FTIR analyses confirmed the successful synthesis of flame retardant (DOPO-PA) and modification of lignin, and the evolution of gas produced by thermal decomposition was different with different quantities of Lig-F added. Finally, the activation energy (E) of cured 10% Lig-F/EP was measured by two different methods, namely Flynn-Wall-Ozawa and Kissinger-Akahira-Sunoe, which was obviously higher than that of neat EP.

引用

页码：5237 / 5253

页数：17

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