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INEOS Styrolution Group GmbH Mainzer Landstraße 50 60325 Frankfurt am Main, Germany http://www.ineos-styrolution.com
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INEOS Styrolution Group GmbH

INEOS Styrolution reveals progress of ResolVe project on chemical recycling of polystyrene

(PresseBox) (Frankfurt am Main, )

Polystyrene shows excellent recyclability
Effective chemical recycling of polystyrene is tolerant to contamination by other polymers, such as polyolefins
Details will be presented in a poster session at the Bayreuth Polymer Symposium


INEOS Styrolution, the global leader in styrenics, today discloses first results of the ResolVe project. This project addresses research related to chemical recycling of polystyrene.

The ResolVe project team now has proof of concept of closed loop recycling. The process converts waste polystyrene back to pure styrene via a depolymerisation process, followed by a polymerisation process resulting in a quality identical to virgin polystyrene. Polystyrene is one of very few polymers that can be converted back into its specific monomer. Technical properties such as its low ceiling temperature enable recycling under conditions that can be achieved in a twin-screw extruder. The results show that polystyrene is very well recyclable.

Fundamental questions covered in the ResolVe project include the yield of styrenics in the chemical recycling process and the impact of non-styrenic waste contaminations. It turns out that the chemical recycling process for polystyrene is sensitive to PET contamination. On the other hand, it is hardly impacted by contamination with polyolefins of up to ten percent.

These findings not only allow INEOS Styrolution to address the next step of the project – the pilot phase. They also prepare the grounds for scaling the process for industrial use, and they allow to give guidance to waste sorters.

Norbert Niessner, Director Global R&D/ Intellectual Property at INEOS Styrolution, comments: “The ResolVe project gives us an insight into chemical recycling. As a result, we can clearly say: Polystyrene is indeed made for recycling. Together with today’s progress in sorting technologies of post-consumer waste, I am confident that there is no longer a reason for polystyrene not to be recycled.”

Details of the findings will be presented at the Bayreuth Polymer Symposium (September 22-24, 2019).

The ResolVe project, funded by the German Federal Ministry for Education, BMBF, is jointly executed by INEOS Styrolution together with Neue Materialien GmbH Bayreuth as well as with two institutes of the University of Aachen (RWTH) – the Institute for Processing and Recycling (Institut für Aufbereitung und Recycling, I.A.R.) and the Institute of Plastics Processing (Institut für Kunststoffverarbeitung, IKV). It also receives contributions from INEOS Manufacturing Deutschland GmbH in Köln.

INEOS Styrolution Group GmbH

INEOS Styrolution is the leading global styrenics supplier, with a focus on styrene monomer, polystyrene, ABS Standard and styrenic specialties. With world-class production facilities and more than 85 years of experience, INEOS Styrolution helps its customers succeed by offering the best possible solution, designed to give them a competitive edge in their markets. The company provides styrenic applications for many everyday products across a broad range of industries, including automotive, electronics, household, construction, healthcare, toys/sports/leisure, and packaging. In 2018, sales were at 5.4 billion euros. INEOS Styrolution employs approximately 3,500 people and operates 20 production sites in ten countries.

More information: www.ineos-styrolution.com

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The publisher indicated in each case is solely responsible for the press releases above, the event or job offer displayed, and the image and sound material used (see company info when clicking on image/message title or company info right column). As a rule, the publisher is also the author of the press releases and the attached image, sound and information material. The use of information published here is generally free of charge for personal information and editorial processing. Please clarify any copyright issues with the stated publisher before further use. In case of publication, please send a specimen copy to service@pressebox.de.