Hauv kev nthuav tawm cov ntawv foob, ammonium polyphosphate (APP) ua lub luag haujlwm tseem ceeb hauv kev txhim kho hluav taws.
APP feem ntau yog siv los ua cov nplaim hluav taws kub nyhiab hauv kev nthuav tawm cov ntawv foob.Thaum raug kub hnyiab thaum hluav taws kub, APP tau txais kev hloov tshuaj lom neeg.Cov cua sov ua rau kev tso tawm ntawm phosphoric acid, uas cuam tshuam nrog cov dawb radicals tsim los ntawm cov txheej txheem combustion.Cov tshuaj tiv thaiv no txhawb kev tsim cov txheej txheem ntom ntom.Cov txheej txheej char no ua raws li cov txheej txheem insulating, zoo txwv kev hloov pauv ntawm tshav kub thiab oxygen mus rau cov khoom siv hauv qab, yog li cuam tshuam cov nplaim taws.
Tsis tas li ntawd, APP ua haujlwm raws li cov nplaim hluav taws kub nyhiab hauv kev nthuav tawm cov ntawv foob.Thaum raug hluav taws kub, cov intumescent additives, suav nrog APP, tau dhau los ua cov txheej txheem ntawm o, charring, thiab tsim cov txheej txheem tiv thaiv insulating.Cov txheej no ua rau txo qis ntawm kev hloov hluav taws xob thiab tso tawm cov pa roj uas tsis yog hluav taws xob, yog li ua kom muaj txiaj ntsig zoo rau kev sib kis ntawm hluav taws.
Tsis tas li ntawd, lub xub ntiag ntawm APP nyob rau hauv kev nthuav dav sealants txhim kho lawv tag nrho cov hluav taws kub tsis kam thiab ua tau raws li cov qauv kev ruaj ntseg hluav taws.Lub char tsim los ntawm APP cov tshuaj tiv thaiv zoo insulates cov ntaub ntawv hauv qab, muab sijhawm ntxiv rau cov lus teb thaum muaj xwm txheej ceev thiab khiav tawm thaum muaj hluav taws kub.
Nyob rau hauv xaus, nyob rau hauv expanding sealant formulations, kev koom ua ke ntawm ammonium polyphosphate ho txhim khu kev tiv thaiv hluav taws los ntawm kev txhawb cov tsim ntawm ib tug tiv thaiv char txheej, txo tshav kub thiab oxygen hloov, thiab muab ib tug zoo barrier tiv thaiv kev sib kis ntawm nplaim taws.Qhov no ua rau muaj kev nyab xeeb ntawm hluav taws tag nrho thiab kev ua haujlwm ntawm kev nthuav dav cov khoom sealant hauv ntau daim ntawv thov.
Post lub sij hawm: Dec-22-2023
