スチール構造の効率的な耐火性および熱性能のための天然タニック酸ベースの浸透性コーティング
Fei Xiao1, Wei He1, Wenlong Shao1
1School of Safety Science and Emergency Management, Wuhan University of Technology, Wuhan 430070, China.
International journal of biological macromolecules
|August 20, 2025
まとめ
バイオマスを基にした新型インテメスセントコーティングは,鋼鉄構造物の優れた防火性能を提供します. この持続可能なコーティングは,熱の放出を大幅に減らし,炭の形成を促進し,優れた耐火性を示しています.
科学分野:
- 材料工学
- 火の科学
- 持続可能な素材
背景:
- 消防安全と環境の持続可能性のバランスをとる防火コーティングの開発は大きな課題です.
- 既存のソリューションには 持続不可能な部品が含まれているか 最適な性能が欠けています
研究 の 目的:
- 鋼鉄構造物の防火を強化するために,新しいバイオマスのインテメスセントコーティングを作成します.
- 開発されたコーティングの耐火性能と基礎保護機構を調査する.
主な方法:
- タンニク酸,アンモニアムポリフォスファート,メラミン,亜鉛炭酸,および玄武岩のスケールを使用した浸透性コーティングの構築.
- ブータン・トーチ・エクスポージャーとコーン・カロメーター・テストによる耐火性の評価
- SEM-EDS,FTIR,XRD,Raman,XPS技術を用いたコーティングと炭層の特徴づけ
主要な成果:
- バイオマス基のコーティングは,制御用の160sと比較して,1200sで鋼の背面温度を150°C以下に維持しました.
- ピーク熱放出率の88%と火災発生率の83%の抑制を達成しました.
- 炭層の整合性,凝結性,形質が改善され,熱と質量移転の抑制が強化された.
結論:
- 開発されたバイオマスのインテメスセントコーティングは,優れた耐火性と持続可能性を示しています.
- 炭酸亜鉛と玄武岩のスケールは,炭化と炭火形成の過程で重要な役割を果たします.
- コーティングの階層構造と表面の粗さが,優れた防火と粘着性能に貢献しています.
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