Packaging Films of Modified Polyethylene by Nano SiO2-EVA

Wen Cai Xu; Dong Li Li; Ya Bo Fu; Wei Shang

doi:10.4028/www.scientific.net/AMR.602-604.1508

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 602-604Packaging Films of Modified Polyethylene by Nano...

Packaging Films of Modified Polyethylene by Nano SiO₂-EVA

Abstract:

In this work, the properties of LDPE were modified by SiO2-EVA (Ethylene Vinyl Acetate copolymer) composite, while EVA contributed to prevent nanometer SiO2 particles from conglomerating. The results show that the polarity of nano-modified PE films increase from 30 dyne/cm to 35 dyne/cm, the friction coefficient drop 1/2 by itself, and the surface resistance decrease 2~3 magnitudes compared with the un-modified. Also, the crystallization of the films and the crystal particles increase effectively due to addition of nano-SiO2. Hence, the thermal stabilization and elastic modulus of the films can be enhanced, so as to improve the comprehensive properties and reduce existed problems of PE films in applications of printing and packaging industry.

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Periodical:

Advanced Materials Research (Volumes 602-604)

Pages:

1508-1513

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.602-604.1508

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Online since:

December 2012

Authors:

Wen Cai Xu, Dong Li Li, Ya Bo Fu, Wei Shang

Keywords:

Nano Modification, Packaging Material, PE Film, SiO₂-EVA

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