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    低聚合度聚磷酸銨的優點和缺點

    2021-09-18 14:09:46 jingdhgadmin

    圖片關鍵詞


           工業上用作阻燃劑的聚磷酸銨一般具有長鏈結構 ,其聚合度 n≥20 ,短鏈的低聚磷酸銨 (n≤ 10 ) 由于反應條件的難以控制  ,以及干燥困難而沒有得到應用。


           但低聚磷酸銨具有較低的熔點和燒結點  ,用來滅火時能迅速分解形成膜層覆蓋于燃燒物表面使火焰熄滅。

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