ポリウレタン廃棄物からプリミクストの保温モルタルを生産するための新しいリサイクル技術
Antonis Kountouris1,2,3, Kypros Efstathiou3, Nikolaos Kostoglou4
1School of Mechanical Engineering, National Technical University of Athens, 15780 Athens, Greece.
Polymers
|August 28, 2025
まとめ
この研究では,リサイクルされたポリウレタン (PU) 泡を使用した持続可能な軽量隔離モルタルを開発しました. この新しい素材は 優れた耐熱性能と 低密度で 環境に優しい建築様式を 促進します
科学分野:
- 材料科学
- 持続可能な建設
- 廃棄物管理
背景:
- 持続可能な建材の需要が増えています
- 建築におけるプラスチック廃棄物の効果的な利用の必要性
- 伝統的な建築材料の限界 断熱と環境への影響
研究 の 目的:
- リサイクルされた硬質ポリウレタン (PU) 泡を使って,新しい軽量な断熱モルタルを開発する.
- モルターの特性に対するPU含有量の影響を調査する.
- モルターのパイロットスケール生産システムを設計し,検証する.
主な方法:
- リサイクルされたPU泡,ポートランドセメント,添加物の割合が異なるモルターの製造.
- 機械的,物理的,熱的性質の特徴 (密度,圧縮強度,熱伝導性)
- パイロット規模の生産システムの設計,実装,検証
主要な成果:
- 主要な性能指標 (密度,圧縮強度,熱伝導性) はPU含有量によって著しく影響を受けた.
- PUの含有量が増加すると,密度,圧縮強度,熱伝導性が低下しました.
- 最適化された配方 (92.25%PU) で,密度420kg/m3,強度1MPa,熱伝導度0.07W/m·Kを達成した.
- 1500L/hの容量で検証されたパイロットスケール生産システム
結論:
- リサイクルされたPUの泡は軽量なモルタルに適しています.
- 開発されたモルターは,床と屋根のシステムに持続可能な代替案を提供します.
- 建物の環境への影響を減らすため,PUベースのモルタルの世界的な採用を支持しています.
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