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  • Summary & Details

Teijin’s Circular Material Strategy for Automotive Polycarbonate Resins : Focusing on Solvent-Based Recycling

自動車向けポリカーボネート樹脂,帝人におけるサーキュラーマテリアルへの取り組み ―ソルベントベースドリサイクルについて―

Detailed Information

Category(J)ホットトピックス

Translation

Category(E)Hot Topics
Author(J)1) 帆高 寿昌
Author(E)1) Toshiaki Hotaka
Affiliation(J)1) 帝人
Abstract(J)市場から回収されたPC樹脂を溶媒で溶解・精製し、再利用可能なポリマーへ戻すソルベントベースドリサイクルで生産したリサイクルPC樹脂は、 高い透明性を有するため、廃棄されたヘッドランプから新しいヘッドランプへリサイクルするなど、高い透明性が求められる製品への水平リサイクルを実現するとともに、化学的分解によって原料まで戻す工程を伴わないため、ケミカルリサイクルと比較して、経済合理性を確保できるほか、CO₂排出量の抑制にも貢献するなど、環境負荷の低減と資源循環を両立する技術である。

Translation

Abstract(E)Solvent-based recycled polycarbonate (PC) resin, produced by dissolving and purifying postconsumer PC resin and restoring it to a reusable polymer, maintains high transparency, enabling closed-loop recycling into demanding applications such as automotive headlamps. In addition, because it does not require depolymerization back to raw materials, it provides both economic advantages and reduced CO2 emissions compared with conventional chemical recycling, thereby supporting resource circularity while minimizing environmental impact.

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