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相變材料在消防服的應用研究進展

[日期:22-08-05]

    在消防服的設計過程中除了要保持其專用的熱防護功能,保障消防員的生命安全之外,還需要滿足消防員的舒適性,尤其是熱舒適性。隨著技術的不斷發展,消防服己經取得了顯著的改善,近些年一些研究人員開始注意到將相變材料新技術應用于消防服中用以提高熱防護性能具有很大的發展前景。
 
    相變材料作為一種新型智能調溫材料,是一種能夠在特定溫度下發生可逆相態轉變的材料(如固-液相態轉變),在相轉變過程中可從周圍環境吸收或釋放大量的熱,并保持自身溫度恒定。由于相變微膠囊在提高傳統相變材斜的穩定性,強化傳熱性能,改善加工性能和改變相變材料的存在狀態等方面具有優點,用微膠囊包覆石蠟類相變材料在紡織品上被廣泛采用。
 
    國內外許多研究人員己先后采用多種工藝路線研制開發帶有相變微膠囊的紡織品,研究主要集中在相變纖維、相變微膠囊、織物的制備、性能測試等方面。但針對相變材料在消防服中的應用研究還沒有充足的數據或分析結果。
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