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Study on Properties of PE/MMT Nanocomposites Prepared by Melt Intercalation

Fang Lan

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Abstract

Polyethylene(PE)/montmorillonite(MMT)nanocomposites were prepared through melt intercalation using maleic anhydride modified PE (PE-g-MAH) as a compatibilizer. The microstructure and morphology of the composites were characterized by X-ray diffraction (XRD) and transmission electron microscopy (TEM). The characterization indicated that the PE chains had intercalated into the layer of MMT. The influence of PE-g-MAH was studied. The thermal decomposition temperature of composites was enhanced, and the barrier properties against organic solvent and vapor were improved significantly compared with neat PE.

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What this paper is about

Polyethylene(PE)/montmorillonite(MMT)nanocomposites were prepared through melt intercalation using maleic anhydride modified PE (PE-g-MAH) as a compatibilizer. The microstructure and morphology of the composites were characterized by X-ray diffraction (XRD) and transmission electron microscopy (TEM). The characterization indicated that the PE chains had intercalated into the layer of MMT. The influence of PE-g-MAH was studied. The thermal decomposition temperature of composites was enhanced, and the barrier properties against organic solvent and vapor were improved significantly compared with neat PE.

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Available abstract

Polyethylene(PE)/montmorillonite(MMT)nanocomposites were prepared through melt intercalation using maleic anhydride modified PE (PE-g-MAH) as a compatibilizer. The microstructure and morphology of the composites were characterized by X-ray diffraction (XRD) and transmission electron microscopy (TEM). The characterization indicated that the PE chains had intercalated into the layer of MMT. The influence of PE-g-MAH was studied. The thermal decomposition temperature of composites was enhanced, and the barrier properties against organic solvent and vapor were improved significantly compared with neat PE.

Key concepts: Materials science, Intercalation (chemistry), Montmorillonite, Nanocomposite, Maleic anhydride, Thermal decomposition, Polyethylene, Transmission electron microscopy

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