Effect of Polypropylene / Wax Blends on Moisture Barrier Properties, 1993 Polymers, Laminations & Coatings Conference Proceedings

A significant and unexpected improvement in moisture barrier occurs when specific levels of Low Molecular Weight (LMW) polyethylene wax are blended into Polypropylene (PP). A clear PP/Wax film exhibits the WVTR barrier properties of wax (< 1.55="" g/m="" squared="" )="" at="" low="" levels="" of="" wax="" addition.="" in="" fact,="" the="" optimum="" blend="" ratio="" for="" the="" minimum="" wvtr="" is="" 94-96%="" pp/4-6%="" wax.="" the="" parameters="" involved="" in="" formulating="" and="" processing="" pp/wax="" blends,="" the="" mechanism="" and="" theory="" for="" probable="" reasons="" why="" the="" wvtr="" improves,="" and="" the="" physical="" properties="" of="" the="" film="" are="">

Author: Tigani, M.A., Neculescu, C.M.
Effect of Polypropylene / Wax Blends on Moisture Barrier Pro
Effect of Polypropylene / Wax Blends on Moisture Barrier Properties, 1993 Polymers, Laminations & Coatings Conference Proceedings
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