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Coca-Cola unveils bottle prototype made from 100% plant-based plastic
Source:Adsale Plastics Network    Editor:JK    Date:04.Nov.2021

The Coca‑Cola Company unveils its first-ever beverage bottle made from 100% plant-based plastic, excluding the cap and label, that has been made using technologies that are ready for commercial scale.

 

The prototype bottle comes more than a decade after the company’s PlantBottle debuted as the world’s first recyclable PET plastic bottle made with up to 30% plant-based material. A limited run of approximately 900 of the prototype bottles have been produced.

 

The original PlantBottle, introduced in 2009, includes monoethylene glycol (MEG) from sugarcane, but the terephthalic acid (PTA) has been from oil-based sources until now. PlantBottle packaging looks, functions and recycles like traditional PET but has a lighter footprint on the planet and its resources.

 

Coca-Cola's new prototype plant-based bottle is made from plant-based paraxylene (bPX) - using a new process by Virent - which has been converted to plant-based terephthalic acid (bPTA).


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Coca-Cola collaborates with partners to create bottle prototype made from 100% plant-based sources.


As the first beverage packaging material resulting from bPX produced at demonstration scale, this new technology signals a step-change in the commercial viability of the biomaterial. The bPX for this bottle was produced using sugar from corn, though the process lends itself to flexibility in feedstock.

 

The second breakthrough technology, which The Coca-Cola Company co-owns with Changchun Meihe Science & Technology, streamlines the bMEG production process and also allows for flexibility in feedstock, meaning more types of renewable materials can be used.


Typically, bMEG is produced by converting sugarcane or corn into bioethanol as an intermediate, which is subsequently converted to bioethylene glycol. Now, sugar sources can directly produce MEG, resulting in a simpler process.

 

UPM, the technology’s first licensee, is currently building a full-scale commercial facility in Germany to convert certified, sustainably sourced hardwood feedstock taken from sawmill and other wood industry side-streams to bMEG. This marks a significant milestone toward the commercialization of the technology.

 

In 2015, Coca-Cola unveiled its first prototype for a 100% bio-based PlantBottle at the Milan Expo using lab-scale production methods to produce bPX. This next-generation 100% plant-based bottle, however, has been made using new technologies to produce both biochemicals that make the bottle and are ready for commercial scaling.

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