Structure-property relationships in structural glass fibre reinforced composites from unsaturated polyester and inherently fire retardant phenolic resin matrix blends

Kandola, Baljinder K. ORCID: 0000-0002-3621-3724, Krishnan, Latha, Ebdon, John R. ORCID: 0000-0003-4176-3912 and Myler, Peter (2019) Structure-property relationships in structural glass fibre reinforced composites from unsaturated polyester and inherently fire retardant phenolic resin matrix blends. Composites Part B : Engineering. ISSN 1359-8368 (In Press)

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Abstract

The effects of matrices from co-cured blends of an unsaturated polyester (UP) with inherently fire-retardant and char-forming phenolic resoles (PH) on the mechanical and fire performances of resultant glass fibre-reinforced composites have been investigated. Three different phenolic resoles with increasing order of compatibility with UP have been used. These are: (i) an ethanol soluble resin, (PH-S), (ii) an epoxy-functionalized resin (PH-Ep), and (iii) an allyl-functionalized resin (PH-Al). The mechanical properties of the composites increased with increasing compatibility with two resin types as might be expected, but not previously demonstrated. However, even with the least compatible resin (PH-S), the impact properties were unaffected and the flexural/tensile properties while reduced, were still acceptable for certain applications. Fire properties were however, in reverse order as previously observed in cast resin samples from these composites. Moreover, the reduction in flammability was less compared to those of the cast resin samples, reported previously, explained here based on the insulating effect of glass fibre reinforcement.

Item Type: Article
Additional Information: Authors accepted version of paper once out of embargo will be released under a Creative Commons Attribution Non-Commercial No Derivatives License
Uncontrolled Keywords: A. Polymer-matrix composites (PMCs), A. Glass fibres, B. Mechanical properties, Fire properties
Divisions: University of Bolton Research Centres > Institute for Materials Research and Innovation
Depositing User: Tracey Gill
Date Deposited: 21 Nov 2019 09:00
Last Modified: 21 Nov 2019 09:00
URI: http://ubir.bolton.ac.uk/id/eprint/2634

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