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HomeJournal of Nano ResearchJournal of Nano Research Vol. 23Effect of Chain Morphology and Carbon-Nanotube...

Effect of Chain Morphology and Carbon-Nanotube Additives on the Glass Transition Temperature of Polyethylene

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Abstract:

Glass transition temperature T_g is the most important parameter affecting the mechanical properties of amorphous and semi-crystalline polymers. However, the atomistic origin of glass transition is not yet well understood. Using Polyethylene (PE) as an example, this paper investigates the glass transition temperature T_g of PE with the aid of molecular dynamics (MD) simulation. The effects of PE chain branches, crystallinity and carbon-nanotube (CNT) additives on the glass transition temperature are analyzed. The MD simulations render a good agreement with the relevant experimental data of semi-crystalline PE and show the significant effects of crystallinity and addition of CNTs on T_g.

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Journal of Nano Research Vol. 23

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Periodical:

Journal of Nano Research (Volume 23)

Pages:

16-23

DOI:

https://doi.org/10.4028/www.scientific.net/JNanoR.23.16

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Online since:

July 2013

Authors:

S. Herasati, H.H. Ruan, Liang Chi Zhang

Keywords:

CNT Composite, Glass Transition, Molecular Dynamic (MD), Polyethylene, Semi-Crystalline

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