Synthesis and application of nano-MH/MPB as intumescent flame retardant (IFR)

Aiming Zhao; Yanmao Dong; Qiuyang Ni; Zhiyu Bao

doi:10.24294/can.v4i2.1332

Synthesis and application of nano-MH/MPB as intumescent flame retardant (IFR)

Aiming Zhao, Yanmao Dong, Qiuyang Ni, Zhiyu Bao

Article ID: 1332
Vol 4, Issue 2, 2021

VIEWS - 640 (Abstract) 188 (PDF)

Abstract

Magnesium hydroxide/melamine phosphate borate (nano MH/MPB), a novel nano-composition intumescent flame retardant, was synthesized with the in-situ reaction method from MgCl2·6H2O sodium hydroxide (NaOH) and melamine phosphate borate (MPB) in the absence of H2O. The structure of the product was confirmed by EDAX IR and XRD. The effects of reaction temperature and time on the dimension of magnesium hydroxide were observed. The effects of mass ratio of magnesium hydroxide to MPB on the flame retardancy of nano-MH/MPB/EP were examined with the limiting oxygen test. The results show that the optimal condition of synthesis of MH/MPB is m_MH/m_MPB = 0.25, reacting under 75 ℃ for 30 minutes. Finally, the mechanism for flame retardancy of nano-MH/MPB/EP was pilot studied by means of IR of char layer and TG of MH/MPB.

Keywords

Intumescent Flame Retardant; Magnesium Hydroxide; Nano-Composition; Melamine Phosphate Borate; Synergistic Agents

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DOI: https://doi.org/10.24294/can.v4i2.1332