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Ammonium polyphosphate (APP) a cikin intumescent sealants

A cikin faɗaɗa nau'ikan sinadarai, ammonium polyphosphate (APP) yana taka muhimmiyar rawa wajen haɓaka juriyar wuta.
APP yawanci ana amfani da shi azaman mai hana wuta a cikin faɗaɗa tsarin sitiriyo.Lokacin da aka fuskanci matsanancin zafi yayin gobara, APP na fuskantar canjin sinadarai mai rikitarwa.Zafin yana haifar da sakin phosphoric acid, wanda ke amsawa tare da radicals kyauta da aka samar ta hanyar konewa.Wannan halayen sinadarai yana haɓaka samuwar ƙaƙƙarfan ƙaya mai yawa.Wannan Layer Layer yana aiki azaman shinge mai rufewa, yadda ya kamata yana iyakance canja wurin zafi da iskar oxygen zuwa kayan da ke cikin ƙasa, don haka yana hana yaduwar harshen wuta.
Bugu da ƙari, APP yana aiki azaman mai hana harshen wuta a cikin faɗaɗa ƙirar ƙira.Lokacin da aka fallasa su zuwa wuta, abubuwan da ke cikin intumescent, gami da APP, suna fuskantar wani tsari na kumburi, caja, da samar da Layer mai kariya.Wannan Layer yana ba da gudummawa ga raguwar canja wuri mai zafi da kuma sakin iskar gas da ba za a iya ƙonewa ba, don haka yadda ya kamata ya rage yaduwar wuta.
Bugu da ƙari, kasancewar APP a cikin faɗaɗa masu ɗaukar hoto yana haɓaka juriyar wutar su gabaɗaya kuma sun cika ƙaƙƙarfan ƙa'idodin amincin wuta.Char da aka samu a sakamakon abin da APP ya yi ya hana kayan da ke cikin ƙasa yadda ya kamata, yana ba da ƙarin lokaci don amsa gaggawa da fitarwa a yayin da gobara ta tashi.
A ƙarshe, a faɗin tsari na teku, haɗawa da polyphare na ammonium da muhimmanci ta hanyar canja wurin kashe gobara, da kuma bayar da wani shinge mai tasiri a kan yaduwar harshen wuta.Wannan yana ba da gudummawa ga amincin lafiyar gabaɗaya da aikin faɗaɗa samfuran sealant a aikace-aikace daban-daban.


Lokacin aikawa: Dec-22-2023