Extrusion International 1-2018

21 Extrusion International 1/2018 A New Take on Bottle-to-Bottle Pioneering work in odor reduction The call for sustainable packaging solutions for polyolefins – especially by brand manufacturers – prompted Starlinger to engage with this topic on a deeper level. Over the last years Starlinger engineered a project for the recycling of the input material RECYCLING It is hard to imagine packaging without the use of plastics. Whether it is shampoo, shower gels, liquid laundry detergents or household cleaners – everything reaches the supermarket shelves in containers made of PP, HDPE, or PET. But in contrast to PET bottles, for which extensive collection systems have partly been set up, the collection of used containers made of polyolefins is still in its early stages. One reason for the lack of effort in this area lies in the complicated recycling process of plastic containers that were filled with detergents; due to migrated substances, the plastic, and in turn the recycled material, takes on an unpleasant odor Detergent bottles are given a new life (©Starlinger) of a renowned European recycler. The material came from detergent bottles from a post-consumer col- lection that had maintained a persis-