聚碳酸酯(PC)树脂溶剂回收技术
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日本帝人,开发出聚碳酸酯(PC)树脂循环利用的溶剂回收技术
DT新材料· 2025-11-30 13:37
Core Viewpoint - Teijin Limited has introduced a solvent recovery technology for recycling polycarbonate (PC) resin, which matches the performance of virgin resin [2][3]. Group 1: Technology and Process - The new process dissolves waste PC resin using solvents, separating pure polymers from contaminants, addressing challenges such as material degradation, high costs, and carbon emissions [3][5]. - Unlike chemical recycling that breaks materials down into chemical components, the solvent recovery process involves fewer steps, resulting in lower costs and reduced CO2 emissions [6]. Group 2: Market Relevance and Compliance - This announcement coincides with the European review of the End-of-Life Vehicles (ELV) regulation draft, which mandates the use of recycled plastics from scrapped vehicles in new car manufacturing [3]. - Teijin's solvent-based recycling method complies with these regulatory requirements, providing a viable solution for industries reliant on high-quality recycled materials [3]. Group 3: Material Properties and Applications - Polycarbonate resin is widely used in automotive parts, electrical components, and electronic products due to its transparency and impact resistance [5]. - The recycled material's transparency and performance are comparable to virgin polycarbonate resin, overcoming limitations posed by contaminants in discarded PC resin [5].