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Preparation of natural rubber–montmorillonite nanocomposite in aqueous medium: evidence for polymer–platelet adhesion

Valadares, L.F. ; Leite, C.A.P. ; Galembeck, F.

Polymer (Guilford), 2006-01, Vol.47 (2), p.672-678 [Periódico revisado por pares]

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Título:
Preparation of natural rubber–montmorillonite nanocomposite in aqueous medium: evidence for polymer–platelet adhesion
Autor: Valadares, L.F. ; Leite, C.A.P. ; Galembeck, F.
Assuntos: Anisotropic swelling ; Applied sciences ; Composites ; Exact sciences and technology ; Forms of application and semi-finished materials ; Nanocomposite mechanical properties ; Polymer industry, paints, wood ; Rubber–clay platelet adhesion ; Technology of polymers
É parte de: Polymer (Guilford), 2006-01, Vol.47 (2), p.672-678
Notas: ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
Descrição: Nanocomposites of natural rubber latex and layered silicates are prepared by a mild dispersion shear blending process. The results of X-ray diffraction (XRD) and transmission electron microscopy (TEM) show that clay particles are well dispersed in the dry latex and the platelets have a preferential orientation, forming translucent nanocomposites. These show tensile mechanical properties analogous to those obtained with vulcanized rubber as well as an increased solvent resistance, which is expected considering that there is significant adhesion between clay lamellae and rubber. Nanocomposite swelling is strongly anisotropic. Natural rubber properties may thus be strongly modified by nanocomposite formation producing unprecedented combinations of properties.
Editor: Oxford: Elsevier Ltd
Idioma: Inglês

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