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Title: Extruded poly(ethylene-co-octene)/fly ash composites - Value added products from an environmental pollutant
Authors: Anandhan, S.
Sundar, S.M.
Senthil, T.
Mahendran, A.R.
Shibulal, G.S.
Issue Date: 2012
Citation: Journal of Polymer Research, 2012, Vol.19, 3, pp.-
Abstract: Fly ash (FA) is a by-product generated during combustion of coal and has caused serious environmental concerns. In an effort to utilize FA beneficially, we developed composites from an ethylene-octene random copolymer (EOC) and unmodified as well as surfacemodified class-F fly ash (MFA) by twin screw extrusion. Addition of 20 wt% of MFA to EOC improves its tensile strength by 150%; also, MFA improves stress at 100% and 300% strains (M100 and M300) of EOC. Thermal stability of EOC matrix is appreciably improved by the addition of either FA or MFA, while the melting behavior is not appreciably influenced by either. Fractography study reveals an improved adhesion between the EOC and MFA particles up to a filler loading of 20%, beyond which the adhesion between EOC and MFA is weakened causing a reduction in mechanical properties. The 'flammable' nature of EOC changes to 'self extinguishing' on addition of even 10 wt% of FA or MFA, as found out from LOI study. Springer Science+Business Media B.V. 2012.
Appears in Collections:1. Journal Articles

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