材料科学技术(英文版)2022，Vol.129Issue(34) ：27-39.

Boosting fire safety and mechanical performance of thermoplastic polyurethane by the face-to-face two-dimensional phosphorene/MXene architecture

Yong Luo Yuhui Xie Wei Geng Junhan Chu Hua Wu Delong Xie Xinxin Sheng Yi Mei
材料科学技术(英文版)2022，Vol.129Issue(34) ：27-39.
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Boosting fire safety and mechanical performance of thermoplastic polyurethane by the face-to-face two-dimensional phosphorene/MXene architecture

Yong Luo 1Yuhui Xie 1Wei Geng 1Junhan Chu 1Hua Wu 2Delong Xie 1Xinxin Sheng 3Yi Mei1
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作者信息

  • 1. Yunnan Provincial Key Laboratory of Energy Saving in Phosphorus Chemical Engineering and New Phosphorus Materials,The Higher Educational Key Laboratory for Phosphorus Chemical Engineering of Yunnan Province,Faculty of Chemical Engineering,Kunming University of Science and Technology,Kunming 650500,China
  • 2. Yunnan Provincial Key Laboratory of Energy Saving in Phosphorus Chemical Engineering and New Phosphorus Materials,The Higher Educational Key Laboratory for Phosphorus Chemical Engineering of Yunnan Province,Faculty of Chemical Engineering,Kunming University of Science and Technology,Kunming 650500,China;Department of Chemistry and Applied Biosciences,Institute for Chemical and Bioengineering,ETH Zurich,Zurich 8093,Switzerland
  • 3. Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter,School of Materials and Energy,Guangdong University of Technology,Guangzhou 510006,China
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Abstract

Black phosphorus(BP),as one of the most promising fillers for flame retarding polymer,has been seri-ously limited in practical application,due to the agglomeration and poor structural stability challenges.Here,the BP was modified by MXene and polydopamine(PDA)via ultrasonication and dopamine mod-ification strategy to improve the structural stability and dispersibility in the matrix.Then,the obtained(BP-MXene@PDA)nanohybrid was employed to promote the mechanical performance,thermal stability,and flame retardancy of thermoplastic polyurethane elastomer(TPU).The resultant TPU composite con-taining 2 wt.％of BP1-MXene2@PDA showed a 19.2％improvement in the tensile strength and a 13.8％increase in the elongation at break compared to those of the pure TPU.The thermogravimetric analysis suggested that BP-MXene@PDA clearly enhances the thermal stability of TPU composites.Furthermore,the introduction of the BP-MXene@PDA nanohybrids could considerably improve the flame retardancy of TPU composite,i.e.,64.2％and 27.3％decrease in peak heat release rate and total heat release,respec-tively.The flame-retardant mechanisms of TPU/BP-MXene@PDA in the gas phase and condensed phase were investigated systematically.This work provides a novel strategy to simultaneously enhance the fire safety and mechanical properties of TPU,thus expanding its industrial applications.

Key words

Thermoplastic polyurethane elastomer/Black phosphorus/MXene/Mechanical properties/Flame retardancy

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基金项目

国家自然科学基金(21908031)

Scientific Research Funds of Yunnan Education Department(2021Y111)

出版年

2022
材料科学技术(英文版)
中国金属学会 中国材料研究学会 中国科学院金属研究所

材料科学技术(英文版)

CSTPCDCSCDSCI
影响因子：0.657
ISSN：1005-0302
参考文献量59
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