Clarifiers for Polypropylene Film, 2006 PLACE Conference

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Today, clear polypropylene film is gained at the expense of manufacturing flexibility. While BOPP film has excellent optics, clear, blown polypropylene (PP) film would allow for much more varied constructions. Advances in PP resin and additive technologies have given rise to: higher melt strength resins, additive packages with better heat and color stability, and advanced clarifier technology. These can be combined to create films with the optics of BOPP and the flexibility of the blown film process.