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Enhancement of the Properties of BR/EPDM Compounds using Organoclay

[ M Kharzamkia ] - Department of Polymer Engineering, Faculty of Graduate studies, Tehran-South Branch,Islamic Azad university, Tehran, Iran
[ G Naderi ] - Department of Rubber, Iran Polymer and Petrochemical Institute, Tehran, Iran
[ M. H. R Ghoreishy ] - Department of Rubber, Iran Polymer and Petrochemical Institute, Tehran, Iran

خلاصه مقاله:

Nanocomposites based on BR 50/EPDM 50 /nanoclay were prepared by melt compounding to assess the effect of different percentages of nanofiller (3, 5, 7 & 10 Wt %) on the properties of the samples. From the XRD analysis, elastomer chains could penetrate into silicate layers and consequently enlarge the d-spacing of the layers. Gel content measurements showed that addition of nanoclay particles results in an increase in the crosslink density of the samples and consequently a decrease in the gel content values. The organomodified montmorillonite also improved the mechanical properties (hardness, fatigue to failure and abrasion Loss) of BR/EPDM compounds. These improvements could be ascribed to the established interaction between silicate layers and polymer matrix

Nanoclay, Nanocomposite, Gel Content, hardness, fatigue to failure, abrasion Loss