Influence of Bentonite Clay in the Formation of Polypropylene / Clay Nanocomposites

Bartira Brandão da Cunha; Rodolfo Ferreira Damião; Pankaj Agrawal; Edcleide Maria Araújo; Tomás Jefférson Alves de Mélo

doi:10.4028/www.scientific.net/MSF.727-728.879

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HomeMaterials Science ForumMaterials Science Forum Vols. 727-728Influence of Bentonite Clay in the Formation of...

Influence of Bentonite Clay in the Formation of Polypropylene / Clay Nanocomposites

Abstract:

Based on recent studies this research aims to continue the studies on nanocomposites obtained by blending polypropylene (polymer matrix) and bentonite clays of Paraíba, with emphasis on issues related to the surface modification of clays (charges), with the aim of stimulating the compatibility between the inorganic and organic components, since after the modification with organic surfactants, is easier for the clay to interact with the polymer. First was evaluated the effect of the concentration of clay (0.5, 3 and 5 phr - parts per hundred resin) on the properties of polypropylene and then a compatibilizer was used in order to further increase the properties of the composites. The results showed a very significant increase in both mechanical and morphological properties of the material as a function of clay content in the polymer matrix and dispersed systems with compatibilizer showed even higher properties, such as a significant gain in impact strength of polypropylene without loss in modulus of elasticity.

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Periodical:

Materials Science Forum (Volumes 727-728)

Pages:

879-883

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.727-728.879

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Online since:

August 2012

Authors:

Bartira Brandão da Cunha, Rodolfo Ferreira Damião, Pankaj Agrawal, Edcleide Maria Araújo, Tomás Jefférson Alves de Mélo

Keywords:

Bentonite Clay, Compatibility, Nanocomposite, Polypropylene (PP)

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References

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