A Furan-based Phosphaphenanthrene-containing Derivative as a Highly Efficient Flame-retardant Agent for Epoxy Thermosets without Deteriorating Thermomechanical Performances

Hao-Xin Niu; Hong-Liang Ding; Jia-Li Huang; Xin Wang; Lei Song; Yuan Hu

doi:10.1007/s10118-022-2655-y

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A Furan-based Phosphaphenanthrene-containing Derivative as a Highly Efficient Flame-retardant Agent for Epoxy Thermosets without Deteriorating Thermomechanical Performances

RESEARCH ARTICLE | Updated：2022-03-23

- A Furan-based Phosphaphenanthrene-containing Derivative as a Highly Efficient Flame-retardant Agent for Epoxy Thermosets without Deteriorating Thermomechanical Performances
- A Furan-based Phosphaphenanthrene-containing Derivative as a Highly Efficient Flame-retardant Agent for Epoxy Thermosets without Deteriorating Thermomechanical Performances
- Chinese Journal of Polymer Science 2022年40卷第3期页码：233-240
- Affiliations：
  
  State Key Laboratory of Fire Science, University of Science and Technology of China, Hefei 230026, China
- Author bio：
  
  wxcmx@ustc.edu.cn
- Funds：
  
  We gratefully acknowledge financial support from the National Natural Science Foundation of China (No. 22075265) and the Youth Innovation Promotion Association of the Chinese Academy of Sciences (No. 2021459).
- DOI：10.1007/s10118-022-2655-y
  中图分类号：
- 收稿：2021-09-21，
  
  修回：2021-10-15，
  
  录用：2021-10-18，
  
  网络首发：2022-01-11，
  
  纸质出版：2022-03-01
- Accepted：
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Niu, H. X.; Ding, H. L.; Huang, J. L.; Wang, X.; Song, L.; Hu, Y. A furan-based phosphaphenanthrene-containing derivative as a highly efficient flame-retardant agent for epoxy thermosets without deteriorating thermomechanical performances. Chinese J. Polym. Sci. 2022, 40, 233–240

Hao-Xin Niu, Hong-Liang Ding, Jia-Li Huang, et al. A Furan-based Phosphaphenanthrene-containing Derivative as a Highly Efficient Flame-retardant Agent for Epoxy Thermosets without Deteriorating Thermomechanical Performances[J]. Chinese Journal of Polymer Science, 2022, 40(3): 233-240.
Niu, H. X.; Ding, H. L.; Huang, J. L.; Wang, X.; Song, L.; Hu, Y. A furan-based phosphaphenanthrene-containing derivative as a highly efficient flame-retardant agent for epoxy thermosets without deteriorating thermomechanical performances. Chinese J. Polym. Sci. 2022, 40, 233–240 DOI： 10.1007/s10118-022-2655-y.

Hao-Xin Niu, Hong-Liang Ding, Jia-Li Huang, et al. A Furan-based Phosphaphenanthrene-containing Derivative as a Highly Efficient Flame-retardant Agent for Epoxy Thermosets without Deteriorating Thermomechanical Performances[J]. Chinese Journal of Polymer Science, 2022, 40(3): 233-240. DOI： 10.1007/s10118-022-2655-y.

摘要

Abstract

In order to reduce greenhouse gas emissions

developing flame retardants from bio-based resources has aroused extensive interest in recent years. In this work

we utilized furfural (biomass) and 9

10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (DOPO) to synthesize a bio-based co-curing agent (FGD) to combine with 4

4’-diaminodiphenyl methane (DDM) for obtaining a low-phosphorus loading flame-retardant epoxy thermosets. The introduction of FGD decreased the activation energy of the curing progress

enhanced the mechanical properties of the epoxy thermosets

and did not affect the glass transition temperature of the epoxy thermosets. EP-5.0 had a lower thermal degradation rate and a doubled char yield compared with EP-0. The phosphorus content of EP-5.0 was only 0.45 wt%

while EP-5.0 reached the UL-94 V-0 rating with a high LOI value of 32%. Compared with EP-0

the PHRR of EP-2.5 and EP-5.0 decreased by 22.3% and 31.3%

respectively. The SEM results showed that the addition of FGD made the char residues more uniform and denser

which could effectively prevent combustible volatiles from escaping from the degradation area to the flame area and isolate the heat transfer so that the epoxy thermosets had an excellent flame-retardant performance.

关键词

Keywords

references

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