Properties and dispersion of EPDM/modified-organoclay nanocomposites

Kang, Donghee and Kim, Dongsik and Yoon, Sung-Hwan and Kim, Dongkyu and Barry, Carol and Mead, Joey. (2007) Properties and dispersion of EPDM/modified-organoclay nanocomposites. Macromolecular materials and engineering, 292 (3). pp. 329-338. ISSN 1438-7492

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Elastomers show improved properties when reinforced with nanoclay at low filler loadings, but dispersion of the clay is difficult in non-polar polymers, such as ethylene propylene diene monomer (EPDM). In this work several compatibilization approaches were studied, including the addition of EPDM modified with maleic anhydride (EPDM-g-MA) and the use of organoclay modified with maleic anhydride-grafted liquid vinyl polybutadiene (LVPB-g-MA). The use of LVPB-g-MA-modified organoclay increased the degree of dispersion as measured by X-ray diffraction, giving increased thermal stability and modulus, and decreased swelling. Flame resistance was poorer for the EPDM/LVPB-g-MA-modified organoclay system compared to the unmodified EPDM/organoclay compound.The resistivity of the nanoclay-filled composites was lower than the reference EPDM compound, but dielectric properties for the LVPB-g-MA modified organoclay were similar to the reference.

Item Type: Article
Uncontrolled Keywords: Dispersion
InterNano Taxonomy: Nanoscale Objects and Nanostructured Materials > Nanocomposites
Collections: Nanomanufacturing Research Collection
Depositing User: Moureen Kemei
Date Deposited: 12 May 2010 13:29
Last Modified: 12 May 2010 13:29

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