Fire and mechanical properties of a novel free-radically cured phenolic resin based on a methacrylate-functional novolac and of its blends with an unsaturated polyester resin

Kandola, Baljinder K. ORCID: 0000-0002-3621-3724, Krishnan, Latha, Deli, Dario, Luangtriratana, Piyanuch ORCID: 0000-0001-8745-079X and Ebdon, John R. ORCID: 0000-0003-4176-3912 (2015) Fire and mechanical properties of a novel free-radically cured phenolic resin based on a methacrylate-functional novolac and of its blends with an unsaturated polyester resin. RSC Advances, 5 (43). pp. 33772-33785. ISSN 2046-2069

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Abstract

A novel phenolic novolac resin bearing methacrylate functional groups has been synthesized by reaction of the novolac with methacryloyl chloride. This resin has been mixed with styrene and cured (crosslinked) free-radically under the relatively low temperature conditions used to cure unsaturated polyester/styrene mixtures, i.e. there is no need to employ the high temperatures and pressures that are required to cure conventional phenolic resins. Homogeneous cured blends of the methacrylated novolac with unsaturated polyester and styrene have been prepared also. The cured methacrylated novolac, and its blends with unsaturated polyester, are rigid materials with good mechanical strength, and have glass transition temperatures, thermal stabilities and flame retardancies superior to those of cured unsaturated polyester alone. Fire and mechanical properties of a novel free-radically cured phenolic resin based on a methacrylate-functional novolac and of its blends with an unsaturated polyester resin.

Item Type: Article
Uncontrolled Keywords: General Chemistry, General Chemical Engineering
Subjects: T Technology > TP Chemical technology
Divisions: University of Bolton Research Centres > Institute for Materials Research and Innovation
SWORD Depositor: JISC Publications Router
Depositing User: JISC Publications Router
Date Deposited: 07 Dec 2017 09:38
Last Modified: 07 Mar 2018 08:35
Identification Number: 10.1039/c5ra01813g
Funders: Engineering and Physical Sciences Research Council; Grant num: EP/H020675/1; FundRef: 10.13039/501100000266
URI: http://ubir.bolton.ac.uk/id/eprint/1222

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