Thermal
and mechanical properties of PE/organoclay nanocomposites |
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Authors: | E M Araújo Renata Barbosa Amanda D Oliveira Crislene R S Morais T J A deMélo A G Souza |
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Institution: | (1) Departmento de Engenharia de Materiais, Universidade Federal de Campina Grande, Brazil, PB;(2) Departmento de Química, CCEN, Universidade Federal da Paraíba, Brazil, PB |
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Abstract: | Polyethylene/montmorillonite clay nanocomposites were obtained via direct
melt intercalation. The clay was organically modified with four different
types of quaternary ammonium salts. The objective of this work is to study
the use of montmorillonite clay in the production of nanocomposites by means
on rheological, mechanical and crystallization properties of nanocomposites
and to compare to the properties of the matrix and PE/unmodified clay nanocomposites.
In general, the tensile test showed that the yield strength and modulus of
the nanocomposites are close to the pure PE. Apparently, the mixture with
Dodigen salt seems to be more stable than the pure PE and PE/unmodified clay. |
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Keywords: | nanocomposite organoclay polyethylene thermal stability |
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