Synergistic effect of MXene on the flame retardancy and thermal degradation of intumescent flame retardant biodegradable poly (lactic acid) composites

Haowei Huang; Dexuan Dong; Weijie Li; Xinya Zhang; Li Zhang; Ying Chen; Xinxin Sheng; Xiang Lu

doi:10.1016/j.cjche.2020.04.014

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Synergistic effect of MXene on the flame retardancy and thermal degradation of intumescent flame retardant biodegradable poly (lactic acid) composites

Materials and Product Engineering | Updated：2026-01-06

- Synergistic effect of MXene on the flame retardancy and thermal degradation of intumescent flame retardant biodegradable poly (lactic acid) composites
- Chinese Journal of Chemical Engineering Vol. 28, Issue 7, Pages: 1981-1993(2020)
- Affiliations：
  
  1. Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter, School of Materials and Energy, Guangdong University of Technology,Guangzhou,China,510006
  2. School of Chemistry and Chemical Engineering, South China University of Technology,Guangzhou,China,510640
  3. Key Laboratory of Polymer Processing Engineering of the Ministry of Education, National Engineering Research Center of Novel Equipment for Polymer Processing, South China University of Technology,Guangzhou,China,510641
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2020.04.014
  CLC：
- Published：2020
- Accepted：
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Haowei Huang, Dexuan Dong, Weijie Li, Xinya Zhang, Li Zhang, Ying Chen, Xinxin Sheng, Xiang Lu. Synergistic effect of MXene on the flame retardancy and thermal degradation of intumescent flame retardant biodegradable poly (lactic acid) composites[J]. Chinese Journal of Chemical Engineering, 2020, 28(7): 1981-1993.
DOI：

Haowei Huang, Dexuan Dong, Weijie Li, Xinya Zhang, Li Zhang, Ying Chen, Xinxin Sheng, Xiang Lu. Synergistic effect of MXene on the flame retardancy and thermal degradation of intumescent flame retardant biodegradable poly (lactic acid) composites[J]. Chinese Journal of Chemical Engineering, 2020, 28(7): 1981-1993. DOI： 10.1016/j.cjche.2020.04.014.

摘要

Abstract

The effect of Ti

MXene nanosheets on the intumescent flame retardant (IFR) poly (lactic acid) (PLA) composites was investigated among a series of PLA/IFR/MXene

which were prepared by melt blending 0-2.0 wt% MXene

10.0 wt%-12.0 wt% IFR and PLA together. The results of limiting oxygen index (LOI) and vertical burning (UL-94) discover that the combination of 0.5 wt% MXene and 11.5 wt% IFR synergistically improves the fire safety of PLA to reach UL-94 V-0 rating with LOI value of 33.0%. The PLA/IFR/MXene composites perform an obvious reduction in peak of heat release rate (HRR) in cone calorimeter tests (CCTs). Furthermore

the carbon residues after CCTs were characterized by scanning electron microscope (SEM)

laser Raman spectroscopy (LRS)

X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS). It is demonstrated that both the titanium composition of the MXene structure and the characteristics of the two-dimensional material enhance the PLA/IFR/ MXene composite materials' ability to produce a dense barrier layer to resist burnout during thermal degradation.

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