A Novel Application of Phosphorene as a Flame Retardant

Abstract

Black phosphorene-waterborne polyurethane (BPWPU) composite polymer with 0.2 wt % of black phosphorene was synthesized. Scanning electron microscopy (SEM) was used to observe the morphology of phosphorene in polyurethane matrix, which indicated that the phosphorene distributes uniformly in the PU matrix. The flammability measurements were carried out to investigate the flame-resistant performances of phosphorene, which indicated that phosphorene could effectively restrict the degradation of the PU membrane. Compared by the pure WPU, the limiting oxygen index (LOI) of BPWPU increased by 2.6%, the heat flow determined by thermal analysis significantly decreased by 34.7% moreover, the peak heat release rate (PHRR) decreased by 10.3%.

Synergistic Effects of Black Phosphorus/Boron Nitride Nanosheets on Enhancing the Flame-Retardant Properties of Waterborne Polyurethane and Its Flame-Retardant Mechanism

“…Compared with volatile white phosphorus and amorphous red phosphorus, BP also exhibits higher thermal stability and phase-dispersion, which could improve the flame-retardant performance and reduce damage to the mechanical properties of the polymers. In previous research, we reported that BP can effectively enhance the thermal stability and fire resistance of polymers [ 21 ]. Yuan Hu, et al synthesized the BP/carbon nanotube composite and demonstrated its synergistic flame retardant performance for epoxy resin [ 22 ].…”

Star-Shaped Crosslinker for Multifunctional Shape Memory Polyurethane

“…To assess the performance of the FSPUs as flame retardant materials, microscale combustion calorimeter (MCC) based on oxygen consumption calorimetry was conducted by pyrolysis combustion flow calorimetry (PCFC) [37]. MCC can quickly and easily provide the key flammability parameters of materials, such as peak heat release rate (pHRR), total heat released (THR) and temperature at pHRR (T p ) [37,38]. The MCC data of PUs with different contents of ACP were presented in Table 3.…”

Recent Advances in Electrochemical Water Splitting and Reduction of CO2 into Green Fuels on 2D Phosphorene‐Based Catalyst

“…Reproduced under the terms and conditions of the Creative Commons CC BY 4.0 license. [ 261 ] Copyright 2018, The Authors, published by MDPI. f) Atomic force microscopy image of a single‐layer phosphorene crystal.…”