Self-healing polyelectrolyte complex coating for flame retardant flexible polyurethane foam with enhanced mechanical property

Meng, Dan; Liu, Xiaodong; Wang, Shuheng; Sun, Jun; Li, Hongfei; Wang, Zhongwei; Gu, Xiaoyu

doi:10.1016/j.compositesb.2021.108886

Cited by 85 publications

(26 citation statements)

References 53 publications

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“…Recently, these authors prepared the polyethyleneimine (PEI)/ammonium polyphosphate (APP) polyelectrolyte in association with a graphene oxide (GO) complex and then deposited on the flexible polyurethane foam matrix. 28 The peak heat release rate of the coated foam matrix was reduced by 63.8% compared to that of the uncoated sample. Moreover, self-healing ability and excellent mechanical properties of polyelectrolyte complex polyurethane foam materials were also proposed.…”

Section: ■ Introductionmentioning

confidence: 93%

“…It was observed that introducing Co-MOF improved flame retardancy and mechanical properties. Recently, these authors prepared the polyethyleneimine (PEI)/ammonium polyphosphate (APP) polyelectrolyte in association with a graphene oxide (GO) complex and then deposited on the flexible polyurethane foam matrix . The peak heat release rate of the coated foam matrix was reduced by 63.8% compared to that of the uncoated sample.…”

Section: Introductionmentioning

confidence: 99%

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Synthesis and Characterization of Polyphosphonates and Polyurethanes Using Chalcone and DOPO-Chalcone as a Flame Retardant

Yüksel

Macit

Üreyen

et al. 2021

ACS Appl. Polym. Mater.

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We synthesized a series of chalcone-based polyphosphonates and polyurethanes as self-extinguishing flameretardant polymers and characterized them via FTIR, 1 H, 13 C, 31 P NMR, HRMS, gel permeation chromatography, and inductively coupled plasma−optical emission spectrometry. The thermal stability of the synthesized polymer series was tested by thermogravimetric and evolved gas analysis under both N 2 and air atmospheres as well as microscale combustion calorimetry analysis. After thermal treatment, residue analysis was carried out using scanning electron microscopy with energy-dispersive X-ray analysis and X-ray photoelectron spectroscopy, and decomposition mechanisms are proposed.

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Section: ■ Introductionmentioning

confidence: 93%

Section: Introductionmentioning

confidence: 99%

Synthesis and Characterization of Polyphosphonates and Polyurethanes Using Chalcone and DOPO-Chalcone as a Flame Retardant

Yüksel

Macit

Üreyen

et al. 2021

ACS Appl. Polym. Mater.

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“…Generally, FPI could reflect the flame retardancy of polymer materials, and higher FPI indicates better flame retardancy. 49 Upon the addition of LFPN, the FPI of FPUF@LFPN had been improved by 110.6% compared with neat FPUF, meaning the flame retardancy of FPUF@LFPN was significantly better than untreated foam. Moreover, the FGI of FPUF@LFPN was 45.2% lower than that of neat FPUF.…”

Section: Fire Safety Performance Of Fpuf@lfpnmentioning

confidence: 99%

Green biobased P‐N coating: Towards waste‐minimization flame retardant flexible polyurethane foam

Piao

Ren

Wang

et al. 2022

Polymers for Advanced Techs

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The increasing consumption of flexible polyurethane foam (FPUF) has caused two significant threats: fire hazards and environmental pollution. More seriously, while waste FPUFs can cause pollution, using many flame retardants also results in significant environmental hazards. Here, the novel process to realize the full lifecycle sustainable utilization of flame retardant FPUF was proposed. First, the biobased P‐N coating (LFPN) was green synthesized by mechanochemistry, and the FPUF was finished by polyelectrolyte‐assisted deposition technology. The fire performance index of FPUF was improved by 110.6% after being treated via LFPN. Moreover, the compression resistance of FPUF was enhanced without affecting the resilience. In order to extend the service life for FPUF, FPUF@LFPN can be reused as a sewage treatment material to remove metal pollution from water. Ultimately, the FPUF@LFPN absorbed metals can be converted into high‐value products such as metal oxide/carbon composites through the metal catalytic pyrolysis technique. This process can effectively reduce the fire and environmental hazards caused by FPUF and may provide an innovative train of thought for the green and sustainable use of other porous polymer materials.

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“…There are currently two main methods to treat FPUF with flame retardancy: adding flame retardant additives and surface treatment [ 10 , 11 , 12 , 13 ]. Nevertheless, adding flame retardant additives in the foaming process inevitably affects the buffering performance, resilience, antideformation, and other mechanical properties of foams, and even leads to unsuccessful foaming [ 3 ].…”

Section: Introductionmentioning

confidence: 99%

Phytic Acid-Iron/Laponite Coatings for Enhanced Flame Retardancy, Antidripping and Mechanical Properties of Flexible Polyurethane Foam

Jiang

Liu

et al. 2022

IJMS

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The use of flexible polyurethane foam (FPUF) is severely limited due to its flammability and dripping, which can easily cause major fire hazards. Therefore, choosing an appropriate flame retardant to solve this problem is an urgent need. A coating was prepared on the FPUF surface by dipping with phytic acid (PA), Fe2(SO4)3·xH2O, and laponite (LAP). The influence of PA-Fe/LAP coating on FPUF flame-retardant performance was explored by thermal stability, flame retardancy, combustion behavior, and smoke density analysis. FPUF/PA-Fe/LAP has a good performance in the small fire test, which can pass the UL-94 V-0 rating and the limiting oxygen index reaches 24.5%. Meanwhile, the peak heat release rate values and maximum smoke density of FPUF/PA-Fe/LAP are reduced by 38.7% and 38.5% compared with those of neat FPUF. After applying PA-Fe/LAP coating, the value of fire growth rate index decreases from 10.5 kW/(m2·s) to 5.1 kW/(m2·s), dramatically reducing the fire risk. Encouragingly, the effect of PA-Fe/LAP coating on cyclic compression and permanent deformation is small, which is close to that of neat FPUF. This work provides an effective strategy for making a flame-retardant FPUF with antidripping and keeping mechanical properties.

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Self-healing polyelectrolyte complex coating for flame retardant flexible polyurethane foam with enhanced mechanical property

Cited by 85 publications

References 53 publications

Synthesis and Characterization of Polyphosphonates and Polyurethanes Using Chalcone and DOPO-Chalcone as a Flame Retardant

Synthesis and Characterization of Polyphosphonates and Polyurethanes Using Chalcone and DOPO-Chalcone as a Flame Retardant

Green biobased P‐N coating: Towards waste‐minimization flame retardant flexible polyurethane foam

Phytic Acid-Iron/Laponite Coatings for Enhanced Flame Retardancy, Antidripping and Mechanical Properties of Flexible Polyurethane Foam

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