Flame Retardant Epoxy Resin Containing Magnesium Phosphinate

Jia Chen; Ji Yan Liu; Xue Qing Liu; Shan Sun

doi:10.4028/www.scientific.net/AMR.634-638.1927

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 634-638Flame Retardant Epoxy Resin Containing Magnesium...

Flame Retardant Epoxy Resin Containing Magnesium Phosphinate

Abstract:

In this paper, magnesium methylcyclohexylphosphinate (Mg(MHP)) was used as flame retardant for epoxy resin(EP).The flame retardancy and thermal stability of Mg(MHP)/EP composites have been studied. As a result, the composite with 20-25% Mg(MHP) can achieve the satisfying flame retardancy with the limiting oxygen index (LOI) of 29.05 % and passing the UL-94 V-0 rating. TG results showed that adding Mg(MHP) into EP leads to a increase in the onset temperature of degradation and depresses the thermal decomposition below around 470 °C. Beyond 470 °C, the residue char of the composites lost more quickly compared to neat EP. A preliminary study seem to conclude that Mg(MHP) acts as the condensed source by promoting the char formation below around 470 oC and as the gas source by vaporizing at higher temperature.

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Periodical:

Advanced Materials Research (Volumes 634-638)

Pages:

1927-1930

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.634-638.1927

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Online since:

January 2013

Authors:

Jia Chen, Ji Yan Liu, Xue Qing Liu, Shan Sun

Keywords:

Epoxy Resin (ER), Flame Retardant, Metal Salt of Dialkylphosphinate, Thermal Stability

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