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Proceedings of the 17th IAPRI World Conference on Packaging (IAPRI 2010 E-BOOK)

Tianjin,China,10.12-10.15，2010

ISBN: 978-1-935068-36-5 Scientific Research Publishing, USA

E-Book 886pp Pub. Date: October 2010

Category: Chemistry & Materials Science

Price: $80

Title: Processing Technologies of EVOH/Nano-SiO2 High-Barrier Packaging Composites
Source: Proceedings of the 17th IAPRI World Conference on Packaging (IAPRI 2010 E-BOOK) (pp 269-274)
Author(s): Yiwu Liu, Key Laboratory of New Materials and Technology for Packaging, Hunan University of Technology,Zhuzhou 412007, China
Yuejun Liu, Key Laboratory of New Materials and Technology for Packaging, Hunan University of Technology,Zhuzhou 412007, China
Shanshan Wei, Key Laboratory of New Materials and Technology for Packaging, Hunan University of Technology,Zhuzhou 412007, China
Abstract: The ethylene-vinyl alcohol copolymer(EVOH)/nano-SiO2 composites were prepared by melt blending with different processing technologies(melt blending technology and film-blowing technology) and blown to film. The structure of the EVOH/nano-SiO2 composites was analyzed through polarizing microscope (POM) and differential scanning calorimetry (DSC). The mechanical properties, barrier properties and transparency of the composites were characterized. The results showed that: different film-blowing processes can change the ordered structure and crystalline form of the EVOH/SiO2 nanocomposites film, different blending technologies have a great effect on the structure of the composites and different processing technologies have a great effect on the properties of EVOH and EVOH/nano-SiO2 nano-composites film.
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