Influence of Nano-Silica on Solvent Absorption in Polypropylene Packaging

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In this paper, the influence of nano-silica on adsorption behavior of solvent in polypropylene packaging is reported. A principle of reducing solvent residue in polypropylene packaging was explored through analyses of changes of crystallization behavior, polarity, and solubility parameters of nano-silica /polypropylene composites. The results showed that the value of solvent residue in modified polypropylene films was reduced about 50%. Therefore nano-silica modified polypropylene films with lower solvent adsorption are in accordance with food safety.

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1061-1066

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October 2011

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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