Natural rubber/poly (ethylene‐co‐vinylacetate)‐blend‐based nanocomposites

Sharif, Jamaliah and Wan Yunus, Wan Md Zin and Dahlan, Khairulzaman and Ahmad, Mansor (2006) Natural rubber/poly (ethylene‐co‐vinylacetate)‐blend‐based nanocomposites. Journal of Applied Polymer Science, 100 (1). pp. 353-362. ISSN 0021-8995

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Natural rubber (NR)/poly(ethylene-co-vinyl acetate) (EVA) blend–clay nanocomposites were prepared and characterized. The blend nanocomposites were prepared through the melt mixing of NR/EVA in a ratio of 40/60 with various amounts of organoclay with an internal mixer followed by compression molding. X-ray diffraction patterns revealed that the nanocomposites formed were intercalated. The formation of the intercalated nanocomposites was also indicated by transmission electron microscopy. Scanning electron microscopy, used to study the fractured surface morphology, showed that the distribution of the organoclay in the polymer matrix was homogeneous. The tensile modulus of the nanocomposites increased with an increase in the organoclay content. However, an increase in the organoclay content up to 5 phr did not affect the tensile strength, but the organoclay reduced this property when it was increased further. This study also indicated that a low silicate content dispersed in the blend matrix was capable of increasing the storage modulus of the material. The addition of the organoclay also increased the decomposition temperature of the NR/EVA blends. © 2006 Wiley Periodicals, Inc. J Appl Polym Sci 100: 353–362, 2006

Item Type:Article
Keyword:blends, clay, nanocomposites, rubber
Faculty or Institute:Faculty of Science
Publisher:Wiley Periodicals Inc.
DOI Number:10.1002/app.23121
ID Code:8043
Deposited By: Erni Suraya Abdul Aziz
Deposited On:11 Oct 2010 09:31
Last Modified:11 Oct 2010 09:35

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