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Effect of ammonium polyphosphate on flame retardancy, thermal stability, and mechanical properties of unsaturated polyester/phenolic/montmorillonite nanocomposites

Hassan, A. and Hau, L. Y. and Hasan, M. (2017) Effect of ammonium polyphosphate on flame retardancy, thermal stability, and mechanical properties of unsaturated polyester/phenolic/montmorillonite nanocomposites. Advances in Polymer Technology, 36 (3). pp. 278-283. ISSN 0730-6679

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Abstract

In present research, the effect of ammonium polyphosphate (APP) content on flame retardancy, thermal stability, and mechanical properties of unsaturated polyester resin/unsaturated phenolic resin/montmorillonite (MMT) nanocomposites were studied. Nanocomposites were prepared via in situ mold casting technique. Flame retardancy of the nanocomposite was investigated through the UL 94 vertical burning test and limiting oxygen index (LOI) analysis. Thermogravimetric analysis (TGA) was conducted to measure thermal properties, whereas flexural and impact tests were carried out to determine mechanical properties of nanocomposites. Nanocomposites with 30 phr APP achieved the flammability rating of V-1 and LOI of 29.2%. TGA results showed that nanocomposites with 30 phr APP had the highest thermal stability. Nanocomposite prepared with 3 phr MMT had the highest flexural strength, flexural modulus, and impact strength. Thus the best balance between flame retardancy, thermal stability, and mechanical properties was achieved with MMT and APP content of 3 and 30 phr, respectively.

Item Type:Article
Uncontrolled Keywords:Ammonium polyphosphate, Flame retardance, Mechanical Properties, Thermal properties, Unsaturated polyester nanocomposites
Subjects:T Technology > TP Chemical technology
Divisions:Chemical Engineering
ID Code:75302
Deposited By: Fazli Masari
Deposited On:27 Mar 2018 14:10
Last Modified:27 Mar 2018 14:10

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