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Polymers 2015, 7(2), 298-315; doi:10.3390/polym7020298

Flame Retardance and Physical Properties of Novel Cured Blends of Unsaturated Polyester and Furan Resins

1
Fire Materials Group, Institute for Materials Research and Innovation, University of Bolton, Deane Road, Bolton BL3 5AB, UK
2
Faculty of Textile Chemical Processing Engineering & Applied Science, Bangladesh University of Textiles, 92 Shaheed Tajuddin Ahmed Avenue, Tejgaon, Dhaka-1208, Bangladesh
*
Author to whom correspondence should be addressed.
Academic Editor: Alexander Morgan
Received: 15 December 2014 / Accepted: 4 February 2015 / Published: 11 February 2015
(This article belongs to the Special Issue Advances in Flame Retardant Polymers)
View Full-Text   |   Download PDF [1478 KB, uploaded 11 February 2015]   |  

Abstract

Novel blends of two furan resins with an unsaturated polyester have been prepared and cured by parallel free radical (for the unsaturated polyester) and acid-catalysed crosslinking (for the furan resin) to give co-cured composite materials. Although these materials have inferior physical properties, such as low Tg and low storage modulus compared with those of unsaturated polyester and furan resins alone, they show markedly improved flame retardance compared with that of the normally highly flammable unsaturated polyester. This increased flame retardance arises from a condensed phase mechanism in which the furanic component forms a semi-protective char, reducing rates of thermal degradation and total heat release and heat of combustion. The blends also burn with reduced smoke output compared with that from unsaturated polyester alone. View Full-Text
Keywords: unsaturated polyester; furan; blend; fire performance; thermal stability; cone calorimetry unsaturated polyester; furan; blend; fire performance; thermal stability; cone calorimetry
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Kandola, B.K.; Ebdon, J.R.; Chowdhury, K.P. Flame Retardance and Physical Properties of Novel Cured Blends of Unsaturated Polyester and Furan Resins. Polymers 2015, 7, 298-315.

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