Modified clay for the synthesis of clay-based nanocomposites

College

College of Science

Department/Unit

Chemistry

Document Type

Article

Source Title

Journal of Silicate Based and Composite Materials

Volume

71

Issue

1

First Page

5

Last Page

11

Publication Date

2019

Abstract

This review article highlights usual surface modification methodologies in clay fillers for polymer nanocomposites. In clay-based polymer nanocomposites preparation, a key step is the homogeneous dispersion and random orientation of the silicate platelets, like that of montmorillonite (MMT), in the polymer matrix resulting in an exfoliated nanohybrid materials, where significant works in the literature support enhanced and/or new properties of the resulting nanocomposites compared to the bare polymer. In incorporating the MMT clay as a filler in a polymeric material, the surface modification of an MMT clay is necessary. An MMT clay is made up of layered silicates carrying negative charges held together by metal cations found in the galleries between the clay layers. If left unmodified, the native clay exists as aggregates. To improve its miscibility toward organic molecules, it is necessary to modify the clay fillers for polymer nanocomposites.

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Digitial Object Identifier (DOI)

10.14382/epitoanyag-jsbcm.2019.2

Disciplines

Chemistry

Keywords

Clay; Montmorillonite

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