Polymer-clay nanocomposites: polystyrene grafted onto montmorillonite interlayers

Polymer-clay nanocomposites: polystyrene grafted onto montmorillonite interlayers

Vinyl monomer-montmorillonite intercalate which is able to swell and disperse in organic solvents has been prepared by a cation exchange process. Radical polymerization of the penetrated styrene between the interlayers of vinyl monomer-montmorillonite (10 wt%) has resulted in grafted polystyrene-mon...

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Veröffentlicht in:Materials letters 1993, Vol.18 (1), p.97-102
Hauptverfasser: Moet, Abdel Sarnie, Akelah, Ahmed
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Sprache:eng
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Applied sciences
Composites
Exact sciences and technology
Forms of application and semi-finished materials
Polymer industry, paints, wood
Technology of polymers
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Akelah, Ahmed
description Vinyl monomer-montmorillonite intercalate which is able to swell and disperse in organic solvents has been prepared by a cation exchange process. Radical polymerization of the penetrated styrene between the interlayers of vinyl monomer-montmorillonite (10 wt%) has resulted in grafted polystyrene-montmorillonite material. This material contains 1.11 g polystyrene/1 g montmorillonite with a basal spacing of 24.5 Å. The molecular weight of the external polystyrene was found in the range of 22000. The vinyl monomer-montmorillonite and the polystyrene-montmorillonite intercalates have been identified by XRD, elemental analysis and IR. The SEM and TEM of polystyrene-montmorillonite material showed spherical particles of size about 150–400 nm in diameter.
doi_str_mv 10.1016/0167-577X(93)90064-5
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subjects Applied sciences
Composites
Exact sciences and technology
Forms of application and semi-finished materials
Polymer industry, paints, wood
Technology of polymers
title Polymer-clay nanocomposites: polystyrene grafted onto montmorillonite interlayers
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