CLEVELAND – June 10, 2021 – Avient today announced the launch of a new special-effect masterbatch package that enables production of natural-looking wine corks made of thermoplastic elastomer (TPE). Offered under the Renol™ and Remafin™ brands, the masterbatch was developed by Avient ColorWorks™ in Merate, Italy. Prototype corks utilizing this special effect formulation in combination with TPE from Italian compounder Marfran Srl were trialed at a manufacturer to prove the concept of creating a more natural-looking wine cork.
“Several trends are pushing the wine industry to find alternatives to natural cork,” explains Daniele Conti, Polymer Scientist on the ColorWorks team. “Climate change and related drought events are reportedly hindering the growth rate of cork trees, and supplies are limited. Natural cork, and even corks made of ground natural material, can allow oxygen to enter the bottle, occasionally spoiling the wine. TPE corks don’t have these problems, but they are obviously synthetic substitutes and don’t give wine enthusiasts the same aesthetic experience as the natural product. We have been able to develop a special-effect masterbatch that makes a natural-looking TPE cork, providing the aesthetic pleasure of natural cork together with the improved performance of TPE.”
The new masterbatch package produces a special effect that makes every TPE cork look different, with a unique light brown swirl pattern and random black specs. Developed for the first time by the ColorWorks team, this special effect convincingly mimics the look of natural cork. The new masterbatch formulations comply with applicable FDA and EU food-contact standards. Corks can be produced using existing injection molding technology, and are price-competitive with their natural counterparts.
According to Francesco Francheschetti, President of Marfran Srl (formerly Francesco Franceschetti Elastomeri), initial testing of the protoype focused on a family of TPE compounds already used in the wine cork market. “The new masterbatch package from Avient enables us to enter the wine cork market with a Marfran TPE and foaming agent that complies with the necessary food contact requirements and the visual effect of genuine cork. It also allows us to deliver good moldability and resistance to sterilization. The first trials by some of the main participants in the wine cork market have been very positive.”
Avient Corporation (NYSE: AVNT), with 2021 expected revenues of $4.3 billion, provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. Examples include:
• Barrier technologies that preserve the shelf-life and quality of food, beverages, medicine and other perishable goods through high-performance materials that require less plastic
• Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation
• Breakthrough technologies that minimize wastewater and improve the recyclability of materials and packaging across a spectrum of end uses
Avient employs approximately 8,400 associates and is certified ACC Responsible Care®, a founding member of the Alliance to End Plastic Waste and certified Great Place to Work®. For more information, visit www.avient.com.
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