Sostenibilità: Green-Loop, soluzioni bio-based conformi a nuovo regolamento Ue imballaggi

Green-Loop è un progetto europeo che innova l’industria manifatturiera, perfezionando materiali bio-based e ottimizzando i processi produttivi per offrire soluzioni conformi al regolamento europeo sugli imballaggi e rifiuti da imballaggio (Ppwr).

Tra i protagonisti del progetto c’è l’italiana Mixcycling, che trasforma sottoprodotti agricoli in materiali bio-based per diverse applicazioni, e Guala Closures Breganze, partner di progetto, che disegna nuovi prodotti e testa le bioplastiche di Mixcycling per chiusure di bottiglie assicurando sicurezza nel contatto con alimenti, bevande e prodotti farmaceutici.

Nell’ambito del progetto Green-Loop, è stato sviluppato un nuovo composito bio-based per stampaggio a iniezione, utilizzato per creare dei primi prototipi di tappi a vite e dispenser per olio d’oliva. Inoltre, un processo produttivo innovativo assistito da microonde permette di ridurre i consumi energetici e migliorare le proprietà dei materiali. Anche nuovi termoplastici bio-based, che integrano residui agricoli come riempitivi, mostrano un grande potenziale per il packaging. Questi avanzamenti sono stati presentati a Ecomondo 2024.

Il Ppwr introduce requisiti più severi per ridurre i rifiuti e aumentare la riciclabilità, creando nuove sfide e opportunità per le aziende. Greem-Loop dimostra come i materiali bio-based possano svolgere un ruolo importante in questa transizione, offrendo alternative ai materiali plastici tradizionali anche in ottica Ppwr.

Grazie al supporto di NSBproject, Mixcycling ha sviluppato materiali per packaging e chiusure alimentari. In collaborazione con Guala Closures Breganze, ha integrato compositi bioplastici in chiusure anti-manomissione che, per resistenza, igiene e flessibilità, sono equivalenti alle plastiche convenzionali. Queste chiusure, conformi alle normative CE, sono sicure per l’uso con alimenti, bevande e farmaci e riflettono l’impegno di Green-Loop per la conformità normativa e lo sviluppo di materiali sostenibili. Con tecnologie come lo stampaggio a iniezione assistito da microonde, che riduce il consumo energetico fino al 30%, Green-Loop apre la strada a soluzioni sostenibili che rispondono agli standard delle plastiche fossili. La collaborazione con partner industriali dimostra la fattibilità dell’integrazione dei materiali bio-based in vari settori, dall’alimentare al packaging per cosmetici.

I materiali bio-based proposti nel progetto Green-Loop in particolare potrebbero sostituire il contenuto di plastica riciclata, sia per mancanza di materiale riciclato sia per es. ragioni qualitative. Come riportato in Art.8 di Ppwr, entro tre anni dalla data di entrata in vigore del presente regolamento la Commissione Europea riesaminerà lo stato di sviluppo tecnologico e le prestazioni ambientali degli imballaggi di plastica a base biologica tenendo conto dei criteri di sostenibilità di cui all’articolo 29 della direttiva (UE) 2018/2001 del Parlamento europeo e del Consiglio.

Green-Loop continuerà a sviluppare soluzioni per le industrie bio-based migliorando le formulazioni dei materiali, ottimizzando i processi produttivi e conducendo test rigorosi per garantirne la scalabilità e la commercializzazione. Per il settore del packaging, i risultati del progetto offriranno soluzioni concrete conformi al nuovo Regolamento Europeo sugli Imballaggi e Rifiuti da Imballaggio (Ppwr).

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