Crystallization Behavior of Polyethylene/Montmorillonite Nanocomposites Prepared by In Situ Polymerization

Min Li; Li Guang Xiao; Hong Kai Zhao

doi:10.4028/www.scientific.net/AMM.184-185.932

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 184-185Crystallization Behavior of...

Crystallization Behavior of Polyethylene/Montmorillonite Nanocomposites Prepared by In Situ Polymerization

Abstract:

Polyethylene/montmorillonite (PE/MMT) nanocomposites were prepared by in situ polymerization. The crystallization behavior of PE/MMT nanocomposites at different MMT concentrations (from 0.1 to 1.2 wt %) were investigated by differential scanning calorimetry (DSC). The equilibrium melting points increase by the addition of MMT. The crystallization rates of PE/MMT nanocomposites are faster than those of pure PE. The addition of MMT facilitated the crystallization of PE, with the MMT functioning as a heterogeneous nucleating agent at lower content; at higher concentrations, however, the physical hindrance of the MMT layers to the motion of PE chains retarded the crystallization process.

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Periodical:

Applied Mechanics and Materials (Volumes 184-185)

Pages:

932-935

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.184-185.932

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Online since:

June 2012

Authors:

Min Li, Li Guang Xiao, Hong Kai Zhao

Keywords:

Crystallization, High-Density Polyethylene, Montmorillonite, Nanocomposite

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