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author:

Liu, Chuan (Liu, Chuan.) [1] | Yao, Ansheng (Yao, Ansheng.) [2] | Chen, Kexin (Chen, Kexin.) [3] | Shi, Yongqian (Shi, Yongqian.) [4] | Feng, Yuezhan (Feng, Yuezhan.) [5] | Zhang, Ping (Zhang, Ping.) [6] | Yang, Fuqiang (Yang, Fuqiang.) [7] | Liu, Minghua (Liu, Minghua.) [8] | Chen, Zhixin (Chen, Zhixin.) [9]

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EI

Abstract:

Amounts of heat and toxic fumes are released during the combustion of polymeric materials, which severely threats to the human health and causes the environmental pollution. Therefore, it is vital to find an effective way to address these problems. Herein, titanium carbide (Ti3C2Tx) and chitosan (CS) were firstly adopted to functionalize ammonium polyphosphate (APP) via the microencapsulation and layer-by-layer assembly. Afterwards, the as-synthesized core-shell-structured hybrid (APP@CS@Ti3C2Tx) was used to enhance the interface compatibility, thermal stability and fire safety of thermoplastic polyurethane (TPU) composites. The results demonstrated that the APP@CS@Ti3C2Tx hybrid presented a strong interface interaction with the TPU matrix. Besides, TPU/APP@CS@Ti3C2Tx composites exhibited the improved thermal stability. The TPU composite containing 9.5APP@CS@0.5Ti3C2Tx achieved V-0 rating in the UL-94 testing. The cone calorimetry results illustrated that introduction of 9.5APP@CS@0.5Ti3C2Tx into TPU caused remarkable reduction in the total heat release (73.0%) and total smoke release (77.3%). Furthermore, the total carbon monoxide yield and total carbon dioxide yield of TPU/9.5APP@CS@0.5Ti3C2Tx were significantly decreased by 75.3% and 75.3%, respectively, compared to those of pure TPU. The synergistic charring effect between APP@CS and Ti3C2Tx, the thermal oxidization action and 'tortuous path' effect of Ti3C2Tx nanosheets combined with the trapping effect of APP@CS resulted in the dramatically improved fire resistance of the polymeric material. This work offers an innovative strategy to fabricate the high-performance polymer composites with superior fire safety. © 2021 Elsevier Ltd

Keyword:

Carbon dioxide Carbon monoxide Fire resistance Health hazards Health risks Polyurethanes Reinforced plastics Rigid foamed plastics Shells (structures) Smoke Thermodynamic stability Toxic materials

Community:

  • [ 1 ] [Liu, Chuan]College of Environment and Safety Engineering, Fuzhou University, 2 Xueyuan Road, Fuzhou; 350116, China
  • [ 2 ] [Yao, Ansheng]College of Environment and Safety Engineering, Fuzhou University, 2 Xueyuan Road, Fuzhou; 350116, China
  • [ 3 ] [Chen, Kexin]College of Environment and Safety Engineering, Fuzhou University, 2 Xueyuan Road, Fuzhou; 350116, China
  • [ 4 ] [Shi, Yongqian]College of Environment and Safety Engineering, Fuzhou University, 2 Xueyuan Road, Fuzhou; 350116, China
  • [ 5 ] [Feng, Yuezhan]Key Laboratory of Materials Processing and Mold Ministry of Education, National Engineering Research Center for Advanced Polymer Processing Technology, Zhengzhou University, Zhengzhou; 450002, China
  • [ 6 ] [Zhang, Ping]State Key Laboratory of Environmental Friendly Energy Materials & Department of Materials, Southwest University of Science and Technology, Mianyang; 621010, China
  • [ 7 ] [Yang, Fuqiang]College of Environment and Safety Engineering, Fuzhou University, 2 Xueyuan Road, Fuzhou; 350116, China
  • [ 8 ] [Liu, Minghua]College of Environment and Safety Engineering, Fuzhou University, 2 Xueyuan Road, Fuzhou; 350116, China
  • [ 9 ] [Chen, Zhixin]Fujian College Association Instrumental Analysis Center, Fuzhou University, 2 Xueyuan Road, Fuzhou; 350116, China

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Source :

Composites Part B: Engineering

ISSN: 1359-8368

Year: 2021

Volume: 226

1 1 . 3 2 2

JCR@2021

1 2 . 7 0 0

JCR@2023

ESI HC Threshold:142

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 102

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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