2012•Unpublished venueRequires access

Effects of montmorillonite on properties of intumescent flame retardant ethylene-propylene-diene monomer/ethylene-vinyl acetate rubber blends

Dong Ming-zhea

Abstract

The intumescent flame retardant ethylene-propylene-diene monomer(EPDM)/ethylene-vinyl acetate rubber(EVM) blends were prepared with montmorillonite(MMT) and intumescent flame retardant(IFR) through melt blending process.The structure of the blends was characterized by X-ray diffractometer,and the mechanical properties,flame retardancy,thermal stability of the blends were investigated.The results showed that the intercalated/exfoliated structure was formed in intumescent flame retardant EPDM/EVM blends contained MMT.MMT could improve the mechanical properties,thermal stability and char forming characteristics of intumescent flame retardant EPDM/EVM blends evidently,however,MMT showed little effect on limiting oxygen index.

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Key concepts: Intumescent, Fire retardant, Materials science, Limiting oxygen index, Montmorillonite, Ethylene-vinyl acetate, Composite material, Natural rubber