As the global consumption of plastics continues to rise, the efficient management and recycling of polymeric waste have become paramount in addressing environmental challenges. The benefits of recycling thermoplastic polymers in a way that feels more personal and relatable. Recycling thermoplastics isn't just about numbers and statistics; it's about making a positive impact on our world. By recycling these materials, we're doing our part to conserve precious resources like petroleum and natural gas, which in turn helps reduce our energy consumption and lowers our carbon footprint. Not only does recycling keep waste out of landfills, but it also creates jobs and stimulates economic growth in our communities. It's about coming together to make a difference, promoting innovation, and educating others about the importance of sustainable practices. Ultimately, recycling thermoplastics isn't just a task; it's a reflection of our values and our commitment to leaving a better planet for future generations. This abstract discusses a sustainable approach to recycling a widely used engineering thermoplastic polycarbonate (PC). PC possess desirable properties such as high toughness, high impact strength, high durability, chemical resistance, and thermal stability, making them indispensable in various industries, including automotive, electronics, and packaging. The challenges associated with recycling PC lie in the risk to have thermal, and mechanical degradation, optical clarity reduction, during recycling processes. To address these challenges, researchers have developed and optimized various techniques, including controlled degradation, compatibilization, and purification steps. Additionally, the study emphasizes the effect of physical aging and multiple extrusions on material’s mechanical, thermal, and rheological properties. Furthermore, the multiple extrusions and physical aging of recycled PC is discussed, highlighting the potential benefits in terms of energy savings, reduced greenhouse gas emissions, and decreased landfill waste. The feasibility of integrating recycled PC material into various applications is also discussed. The versatility and potential of these sustainable alternatives are also discussed. In conclusion, the recycling of polycarbonate polymeric waste holds significant promise in reducing plastic pollution and conserving valuable resources. This abstract provides insights into the current state of research and development in this field, emphasizing the importance of adopting sustainable recycling practices to mitigate the environmental impact of these versatile engineering thermoplastics. Keywords: PC recycling, Multiple extrusions, physical aging, sustainable alternatives
Con il continuo aumento del consumo globale di plastica, la gestione e il riciclo efficienti dei rifiuti polimerici sono diventati fondamentali per affrontare le sfide ambientali. I vantaggi del riciclo dei polimeri termoplastici in un modo che sembra più personale e più vicino a noi. Riciclare i materiali termoplastici non è solo una questione di numeri e di statistiche, ma significa avere un impatto positivo sul nostro mondo. Riciclando questi materiali, facciamo la nostra parte per conservare risorse preziose come il petrolio e il gas naturale, che a loro volta contribuiscono a ridurre il consumo energetico e l'impronta di carbonio. Il riciclo non solo evita che i rifiuti finiscano nelle discariche, ma crea anche posti di lavoro e stimola la crescita economica delle nostre comunità. Si tratta di unirsi per fare la differenza, promuovere l'innovazione ed educare gli altri all'importanza delle pratiche sostenibili. In definitiva, il riciclo dei materiali termoplastici non è solo un'attività, ma un riflesso dei nostri valori e del nostro impegno a lasciare un pianeta migliore alle generazioni future. Il presente abstract illustra un approccio sostenibile al riciclo di un tecnopolimero ampiamente utilizzato, il policarbonato (PC). Il PC possiede proprietà desiderabili come elevata tenacità, alta resistenza agli urti, elevata durata, resistenza chimica e stabilità termica, che lo rendono indispensabili in vari settori, tra cui quello automobilistico, elettronico e degli imballaggi. Le sfide associate al riciclo del PC risiedono nel rischio di avere una degradazione termica e meccanica e a una riduzione della trasparenza ottica durante i processi di riciclo. Per affrontare queste sfide, i ricercatori hanno sviluppato e ottimizzato diverse tecniche, tra cui la degradazione controllata, la compatibilizzazione e le fasi di purificazione. Inoltre, lo studio sottolinea l'effetto dell'invecchiamento fisico e delle estrusioni multiple sulle proprietà meccaniche, termiche e reologiche del materiale. Inoltre, si discute dell'estrusione multipla e dell'invecchiamento fisico del PC riciclato, evidenziando i potenziali vantaggi in termini di risparmio energetico, riduzione delle emissioni di gas serra e diminuzione dei rifiuti in discarica. Viene inoltre discussa la fattibilità dell'integrazione del materiale PC riciclato in varie applicazioni. Si discute anche la versatilità e il potenziale di queste alternative sostenibili. In conclusione, il riciclo dei rifiuti polimerici di policarbonato è molto promettente per ridurre l'inquinamento da plastica e conservare risorse preziose. Il presente abstract fornisce indicazioni sullo stato attuale della ricerca e dello sviluppo in questo campo, sottolineando l'importanza di adottare pratiche di riciclo sostenibili per mitigare l'impatto ambientale di questo versatil termoplastico.
Recyclability of polycarbonate: the effect of multiple extrusions and physical aging on material's mechanical, rheological and thermal properties
MOHANKUMAR, KARTHIK
2023/2024
Abstract
As the global consumption of plastics continues to rise, the efficient management and recycling of polymeric waste have become paramount in addressing environmental challenges. The benefits of recycling thermoplastic polymers in a way that feels more personal and relatable. Recycling thermoplastics isn't just about numbers and statistics; it's about making a positive impact on our world. By recycling these materials, we're doing our part to conserve precious resources like petroleum and natural gas, which in turn helps reduce our energy consumption and lowers our carbon footprint. Not only does recycling keep waste out of landfills, but it also creates jobs and stimulates economic growth in our communities. It's about coming together to make a difference, promoting innovation, and educating others about the importance of sustainable practices. Ultimately, recycling thermoplastics isn't just a task; it's a reflection of our values and our commitment to leaving a better planet for future generations. This abstract discusses a sustainable approach to recycling a widely used engineering thermoplastic polycarbonate (PC). PC possess desirable properties such as high toughness, high impact strength, high durability, chemical resistance, and thermal stability, making them indispensable in various industries, including automotive, electronics, and packaging. The challenges associated with recycling PC lie in the risk to have thermal, and mechanical degradation, optical clarity reduction, during recycling processes. To address these challenges, researchers have developed and optimized various techniques, including controlled degradation, compatibilization, and purification steps. Additionally, the study emphasizes the effect of physical aging and multiple extrusions on material’s mechanical, thermal, and rheological properties. Furthermore, the multiple extrusions and physical aging of recycled PC is discussed, highlighting the potential benefits in terms of energy savings, reduced greenhouse gas emissions, and decreased landfill waste. The feasibility of integrating recycled PC material into various applications is also discussed. The versatility and potential of these sustainable alternatives are also discussed. In conclusion, the recycling of polycarbonate polymeric waste holds significant promise in reducing plastic pollution and conserving valuable resources. This abstract provides insights into the current state of research and development in this field, emphasizing the importance of adopting sustainable recycling practices to mitigate the environmental impact of these versatile engineering thermoplastics. Keywords: PC recycling, Multiple extrusions, physical aging, sustainable alternativesFile | Dimensione | Formato | |
---|---|---|---|
2024_07_Karthik Mohankumar_Tesi.pdf
accessibile in internet solo dagli utenti autorizzati
Descrizione: Recyclability of Polycarbonate: the effect of multiple extrusion, and physical aging on material’s mechanical, rheological, and thermal properties
Dimensione
1.76 MB
Formato
Adobe PDF
|
1.76 MB | Adobe PDF | Visualizza/Apri |
2024_07_Karthik Mohankumar_Executive Summary.pdf
accessibile in internet solo dagli utenti autorizzati
Descrizione: Recyclability of Polycarbonate: the effect of multiple extrusion, and physical aging on material’s mechanical, rheological, and thermal properties
Dimensione
405.27 kB
Formato
Adobe PDF
|
405.27 kB | Adobe PDF | Visualizza/Apri |
I documenti in POLITesi sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
https://hdl.handle.net/10589/223514