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Modification of Montmorillonite with Coupling Agent KH-550 and Preparation and Properties of Melting Casting Nylon/Montmorillonite Composites

Haiqun Chen

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Abstract

Montmorillonite was first intercalated with N-hexadecyltrimethylammonium bromide (CTAB) and subsequently with KH-550.XRD and FT-IR showed that KH-550 was intercalated between the layers of the montmorillonite and reacted with the hydroxide groups on the layers' surface.Nylon 6/montmorillonite composites was also prepared in which the modified clay was dispersed.XRD showed that the layer-spacing was enlarged by the MC nylon.FT-IR and Molau indicated the clay changed the crystal ratio.When the amount of the modified clay was 2 %,a maximum of α/γ ratio was exhibited.Montmorillonite improved the toughness and thermal stability of MC nylon.

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What this paper is about

Montmorillonite was first intercalated with N-hexadecyltrimethylammonium bromide (CTAB) and subsequently with KH-550.XRD and FT-IR showed that KH-550 was intercalated between the layers of the montmorillonite and reacted with the hydroxide groups on the layers' surface.Nylon 6/montmorillonite composites was also prepared in which the modified clay was dispersed.XRD showed that the layer-spacing was enlarged by the MC nylon.FT-IR and Molau indicated the clay changed the crystal ratio.When the amount of the modified clay was 2 %,a maximum of α/γ ratio was exhibited.Montmorillonite improved the toughness and thermal stability of MC nylon.

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Available abstract

Montmorillonite was first intercalated with N-hexadecyltrimethylammonium bromide (CTAB) and subsequently with KH-550.XRD and FT-IR showed that KH-550 was intercalated between the layers of the montmorillonite and reacted with the hydroxide groups on the layers' surface.Nylon 6/montmorillonite composites was also prepared in which the modified clay was dispersed.XRD showed that the layer-spacing was enlarged by the MC nylon.FT-IR and Molau indicated the clay changed the crystal ratio.When the amount of the modified clay was 2 %,a maximum of α/γ ratio was exhibited.Montmorillonite improved the toughness and thermal stability of MC nylon.

Key concepts: Montmorillonite, Materials science, Thermal stability, Composite material, Nylon 6, Casting, Hydroxide, Toughness

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Modification of Montmorillonite with Coupling Agent KH-550 and Preparation and Properties of Melting Casting Nylon/Montmorillonite Composites — Research Paper | ScholarLens