Lub Dominant Role ntawmAmmonium PolyphosphateNyob rau hauv Hluav Taws Kub Retardant Coatings: Synergistic Effects nrog Melamine thiab Pentaerythritol
Ammonium polyphosphate(APP) ua haujlwm tseem ceeb hauv kev tsim cov niaj hnubhluav taws kub retardant txheej, muab kev tiv thaiv tshwj xeeb tiv thaiv kev hem thawj ntawm hluav taws. Nws cov khoom tshwj xeeb, thaum ua ke nrog lwm cov khoom xyaw tseem ceeb xws li melamine thiab pentaerythritol, tsim kom muaj kev sib koom ua ke uas ua rau muaj txiaj ntsig zoo rau cov hluav taws kub retardant kev ua haujlwm ntawm txheej.
Raws li cov nplaim hluav taws kub retardant,ammonium polyphosphateua haujlwm los ntawm ntau txoj hauv kev. Thaum raug kub kub, nws decomposes thiab tso tawm phosphoric acid, uas ces reacts nrog lub substrate los tsim ib tug tiv thaiv char txheej. Cov txheej char no ua raws li kev thaiv, tiv thaiv kev sib txuas ntxiv thiab hloov hluav taws xob. Tsis tas li ntawd, kev tso tawm cov roj uas tsis yog hluav taws xob, xws li ammonia thiab dej vapor, pab kom dilute cov pa oxygen nyob ib puag ncig cov khoom siv hluav taws kub, ntxiv cov nplaim taws.
Thaum ammonium polyphateralone muaj txiaj ntsig zoo ntawm nws tus kheej, nws qhov kev ua tau zoo tuaj yeem txhim kho ntxiv los ntawm kev sib ntxiv ntawm melamine thiab pentaerythritol. Melamine pab tsim cov txheej txheem muaj zog thiab ruaj khov los ntawm kev muab cov ntsiab lus nitrogen ntxiv. Qhov no nitrogen tsis tsuas yog nce cov roj uas tsis yog-combustible tso tawm xwb tab sis kuj txhawb kev sib txuas ntawm cov char, ua rau nws tiv taus ntau dua.
Pentaerythritol, ntawm qhov tod tes, ua lub luag haujlwm tseem ceeb hauv kev txhim kho lub cev ntawm cov hluav taws kub retardant txheej. Raws li ib tug plasticizer, nws txhim khu qhov yooj thiab adhesion ntawm txheej, kom ntseeg tau zoo dua kev pab them nqi thiab durability. Tsis tas li ntawd, pentaerythritol ua raws li kev txhawb nqa char, txhawb kev tsim cov txheej txheem tuab thiab txuas ntxiv ntxiv uas tiv thaiv cov khoom siv hauv qab ntawm cov nplaim taws.
Kev sib koom ua ke ntawmammonium polyphosphate, melamine, thiab pentaerythritol nyob rau hauv hluav taws kub retardant coatings ua rau ib tug heev npaum thiab txhim khu kev qha kev tiv thaiv hluav taws. Qhov no muaj zog trio tsis tsuas yog muab cov hluav taws kub retardancy zoo heev tab sis kuj muaj kev txhim kho lub cev, ua rau nws yog qhov kev xaiv zoo tshaj plaws rau ntau yam kev siv.
Hauv cov ntsiab lus,ammonium polyphosphatesawv tawm raws li tus neeg ua si tseem ceeb hauv cov hluav taws kub retardant txheej, nrog nws cov txiaj ntsig zoo sib xws nrog melamine thiab pentaerythritol ntxiv txhim kho nws cov kev ua tau zoo. Qhov kev sib xyaw ua ke ntawm cov khoom xyaw no ua kom ntseeg tau tias cov txheej txheem muab kev tiv thaiv zoo tshaj plaws tiv thaiv kev phom sij ntawm hluav taws, tiv thaiv tib neeg lub neej thiab khoom.
Sichuan Taifeng Tshiab Nplaim Retardant Co., Ltdyog tus kws tshaj lijammonium polyphosphatechaw tsim tshuaj paus nyob rau hauv Suav teb nrog 22 xyoo ntawm kev paub. APP TF-201 yog cov khoom lag luam nrov thiab paub tab uas lees txais los ntawm EU, Is Nrias teb, Southeast Asia.
Editor: Emma Chen
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Post lub sij hawm: Sep-10-2024
