PFAS free polymer process aid solutions in polyolefin film applications

Polymer process aids (PPAs) provide significant benefits in polyolefin film and extrusion applications. In blown film PPAs work to eliminate melt fracture and improve film quality while also enhancing machine throughput and reducing die-lip build-up. The majority of PPAs on the market utilize fluoropolymer chemistry as the active ingredient. These specially designed fluoropolymers are highly efficient as PPAs and significantly improve film quality and reduce processing issues at low loadings (<700ppm).

Fluoropolymers fall under the umbrella of PFAS materials (per- or poly- fluoroalkyl substances) which are under increasing market and legislative scrutiny. Brand owners are responding to consumer concerns and as such a growing number of end use flexible packaging applications require films free of PFAS materials. As the industry shifts to eliminate PFAS, polyethylene resin producers as well as film producers/convertors are scrambling for an alternative PPA.

In this session we will review the mechanism behind PPA performance, discuss the stigma surrounding fluoropolymers, discuss PPA testing procedures and present Ingenia’s novel PFAS-free PPA solutions with comparative performance data.

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