Preparation of High Polarity Polypropylene Packaging FilmsReport as inadecuate




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To improve the polarity of polypropylene PP packaging materials, Glycidyl methacrylate and Styrene were applied as co-monomer and grafted onto polypropylene molecules by radiation method. The properties of grafted PP films were characterized by differential scanning calorimeter DSC, contact angle instrument and mechanical measurement. The results showed that the polarity, printability, lamination performance and thermal stability of PP film increased after grafting which demonstrates that grafting by radiation is an effective way to broaden the application of ordinary PP materials.

KEYWORDS

polypropylene; pre-radiation; grafting; polarity; flexible packaging

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Author: Yabo Fu, Dongli Li, Wencai Xu, Hua Wei

Source: http://www.scirp.org/



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