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Preparation and Mechanical Psoperties of PVC-U/Montmorillonite Composites

Shaoyun Guo

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Abstract

Sodium montmorillonite was modified by poly-(ethyleneoxide-block-propyleneoxide)(EP).XRD results showed that this block copolymer intercalated into montmorillonite (MMT).PVC-U/MMT composites were prepared via melt-blending method.The effects of sodium montmorillonite and organically modified montmorillonite on the mechanical properties of the composite were investigated.The results revealed that modification of montmorillonite with EP improved the compatibility between PVC and MMT and the mechanical properties of PVC-U/MMT-EP composites,indicating that modification of MMT with EP was an effective method to prepare PVC/MMT composites with high performances.

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What this paper is about

Sodium montmorillonite was modified by poly-(ethyleneoxide-block-propyleneoxide)(EP).XRD results showed that this block copolymer intercalated into montmorillonite (MMT).PVC-U/MMT composites were prepared via melt-blending method.The effects of sodium montmorillonite and organically modified montmorillonite on the mechanical properties of the composite were investigated.The results revealed that modification of montmorillonite with EP improved the compatibility between PVC and MMT and the mechanical properties of PVC-U/MMT-EP composites,indicating that modification of MMT with EP was an effective method to prepare PVC/MMT composites with high performances.

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Available abstract

Sodium montmorillonite was modified by poly-(ethyleneoxide-block-propyleneoxide)(EP).XRD results showed that this block copolymer intercalated into montmorillonite (MMT).PVC-U/MMT composites were prepared via melt-blending method.The effects of sodium montmorillonite and organically modified montmorillonite on the mechanical properties of the composite were investigated.The results revealed that modification of montmorillonite with EP improved the compatibility between PVC and MMT and the mechanical properties of PVC-U/MMT-EP composites,indicating that modification of MMT with EP was an effective method to prepare PVC/MMT composites with high performances.

Key concepts: Montmorillonite, Materials science, Composite material, Copolymer, Composite number, Compatibility (geochemistry), Polymer

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