Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/145936
Title: Correlating the performance of a fire-retardant coating across different scales of testing
Authors: Ng, Yan Hao
Zope, Indraneel Suhas
Dasari, Aravind
Tan, Kang Hai
Keywords: Engineering::Civil engineering
Issue Date: 2020
Source: Ng, Y. H., Zope, I. S., Dasari, A., & Tan, K. H. (2020). Correlating the performance of a fire-retardant coating across different scales of testing. Polymers, 12(10), 2271-. doi:10.3390/polym12102271
Project: L2NICCFP1-2013-4
RCAs 16/277
RCAs 17/365
Journal: Polymers
Abstract: Material-scale tests involving milligrams of samples are used to optimize fire-retardant coating formulations, but actual applications of these coatings require them to be assessed with structural-scale fire tests. This significant difference in the scale of testing (milligrams to kilograms of sample) raises many questions on the relations between the inherent flammability and thermal characteristics of the coating materials and their “performance” at the structural scale. Moreover, the expected “performance” requirements and the definition of “performance” varies at different scales. In this regard, the pathway is not established when designing and formulating fire-retardant coatings for structural steel sections or members. This manuscript explores the fundamental relationships across different scales of testing with the help of a fire-protective system based on acrylic resin with a typical combination of intumescent additives, viz. ammonium polyphosphate, pentaerythritol, and expandable graphite. One of the main outcomes of this work dictates that higher heat release rate values and larger amounts of material participating in the pyrolysis process per unit time will result in a rapid rise in steel substrate temperature. This information is very useful in the design and development of generic fire-retardant coatings.
URI: https://hdl.handle.net/10356/145936
ISSN: 2073-4360
DOI: 10.3390/polym12102271
Rights: © 2020 The Authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:CEE Journal Articles

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