@article{ref1,
title="Mica-based multilayer nanocoating as highly-effective flame retardant and smoke suppressant",
journal="ACS applied materials and interfaces",
year="2020",
author="Fahami, Abbas and Lee, Jungyu and Lazar, Simone and Grunlan, Jaime C.",
volume="ePub",
number="ePub",
pages="ePub-ePub",
abstract="Highly flammable polyurethane foam (PUF) remains a key risk factor associated with bedding and upholstered furniture, contributing to the yearly destruction of property and loss of lives. In an attempt to tackle this issue and develop a more benign flame retardant (FR) for PUF, a mica-based nanocomposite was deposited using layer-by-layer assembly. Chitosan (CH) and poly(acrylic acid) (PAA) were used to stabilize high aspect ratio mica. Foam treated with eight bilayers (BL) of CH and PAA-stabilized mica preserves the porous foam structure, prevents melt dripping, and self-extinguishes during a 10 s torch test, while uncoated foam is completely consumed. When exposed to a 35 kW/m2 heat flux during cone calorimetry, the peak heat release rate is reduced by 54% and less volatile molecules are released during combustion, resulting in a 76% reduction in total smoke release. This multilayer coating serves as an environmentally benign template for flame retarding polyurethane foam and various other three-dimensional substrates.<p /> <p>Language: en</p>",
language="en",
issn="1944-8244",
doi="10.1021/acsami.0c02397",
url="http://dx.doi.org/10.1021/acsami.0c02397"
}