Raws li cov khoom siv cov khoom siv ua haujlwm ntau ntau.sulfamic acidUa lub luag haujlwm tseem ceeb hauv kev lag luam zas xim. Nws cov tshuaj tshwj xeeb ua rau nws siv dav hauv zas synthesis thiab dyeing cov txheej txheem. Nws tsis tuaj yeem siv los ua cov tshuaj tua neeg ua kom tau zoo rau kev ua kom tau cov xim zas xim los kho cov xim zas xim thiab xim nrawm. Cov ntawv no tshawb nrhiav cov tub xeeb tseem ceeb sulfamic acid ua si nyob rau hauv zas manufacturing thiab nws cov txiaj ntsig rau kev lag luam.
1.Txoj kev sib tw ntau tshaj nitrite
Nyob rau hauv zas synthesis, diazotization cov tshuaj tiv thaiv yog cov kauj ruam tseem ceeb hauv kev tsim cov azo dyes. Cov tshuaj tiv thaiv feem ntau yog siv sodium nitrite thiab hydrochloric acid los ua nitrous acid, uas reacts nrog cov ntsev uas tsis muaj kuab lom. Txawm li cas los xij, yog tias nitrite ntau dhau tsis raug kho nyob rau lub sijhawm, nws yuav ua rau cov pa phem ib puag ncig, thiab muaj cov xim thiab lub teeb ruaj khov ntawm cov xim. Yog li ntawd, aminosulfonic acid tau siv dav hauv qhov kev lag luam zas ua ib qho kev ua kom muaj txiaj ntsig thiab nyab xeeb nitrite tshem tawm. Cov yeeb ncuab cov kev tawm tsam yog raws li hauv qab no:
Nano₂ + h nahso₃ → N₂ + Naho₄ + H₂o
Aminosulfonic acidreacts sai sai nrog nitrite thiab tuaj yeem hloov kho cov nitrite nitrogen gasless.
- Daim Ntawv Thov Tshwj Xeeb
Kev tshuaj xyuas tom qab ntawm diazotization cov tshuaj tiv thaiv: tom qab cov tshuaj tiv thaiv diazotization yog ua tiav, ntxiv cov tshuaj tiv thaiv aminosulforfonic acr mauv thiab do cov tshuaj tiv thaiv rau ib lub sijhawm kom tshem tawm cov nitrite ntau tshaj.
Zeem kev ua kom muaj kev ua kom tiav: hauv cov txheej txheem npaj ntawm cov kev npaj ntawm cov khoom noj yog siv kom tshem tawm cov nitrite uas seem thiab txhim kho txoj kev coj dawb huv ntawm cov khoom lag luam.
Kev kho dej lwg: Rau cov quav dej ntas muaj rau kev kho cov nitrite hauv cov dej khib nyiab thiab txo cov pa phem rau ib puag ncig.
2. Stirilization ntawm cov xim kua
Qhov kev lag luam zas xim, qhov ruaj khov ntawm cov xim khov cov kev daws teeb meem yog qhov tseem ceeb rau kev ua kom muaj kev sib txawv thiab xim zoo nkauj. Sulfamic acid ua raws li tus neeg sawv cev ruaj khov, tiv thaiv kev ua thaum ntxov ua ntej lub zog thaum lub sij hawm cia thiab thov. Cov xeeb ceem no tshwj xeeb tshaj yog muaj txiaj ntsig zoo hauv rearive dyes, qhov twg tswj hwm kev ncaj ncees tshuaj yog qhov tseem ceeb rau kev ua tiav cov xim muaj zog thiab ntev-ntev.
3. PHEEJ
Qhov ua tau zoo ntawm ntau cov dyes nyob ntawm kev tswj xyuas kab theem tshwj xeeb. Sulfamic acid, paub rau nws cov me ntsis acidity, ua hauj lwm ua pH ua haujlwm kom zas dej da dej. Los ntawm kev tswj hwm pH, nws ua kom pom tseeb rau zas xim kho kom haum thiab txo qhov kev pheej hmoo ntawm kev pheej hmoo ntawm cov xim tsis xwm yeem lossis tsis pom zoo.
4. Descaling thiab Tu Cov Khoom Siv Da
Ze Ntau Lawm thiab cov ntaub ntawv feem ntau ua rau cov tsub zuj zuj ntawm nplai thiab cov seem hauv cov cuab yeej. Sulfamic acid muaj zog descaling ua nws ib tug zoo ntxuav tus neeg sawv cev rau kev tshem tawm cov kev tso nyiaj no tsis muaj kev ua kom cov tshuab. Kev tu ib txwm nrog sulfamic acid tsis tsuas yog ua kom tau nyiaj txiag tsis tau tias tus txheej txheem dyeing tseem tsis tau muaj, ua rau cov khoom lag luam txias.
5. Txhim Kho Kom Zoo Tshaj Plaws Zoo ntawm Fibers
Sulfamic acid tau txais kev nkag mus thiab txhim kho ntawm dyes ntawm cov fibers xws li paj rwb, ntaub, thiab khoom siv hluavtaws. Los ntawm kev tsim cov kua qaub kom haum, nws ua kom haum zoo dua qub thiab kev sib koom ua zas molecules rau cov fiber ntau, ua rau muaj xim ntau thiab ruaj khov. Qhov no muaj txiaj ntsig tshwj xeeb nyob rau hauv textile kev lag luam uas yuav tsum tau ua tiav zoo.
Sulfamic Acid lub luag haujlwm nyob rau hauv qhov kev lag luam Dow yog multifaceted, ncua los ntawm stabilIning duas cov kev daws teeb meem kom zoo dua qub cov cuab yeej siv, thiab kho kom huv. Nws cov khoom ntiag tug thiab cov yam ntxwv ib puag ncig ua kom nws muaj txiaj ntsig zoo rau cov tuam txhab nrhiav kev ua haujlwm tau zoo thiab muaj kev ua haujlwm.
Lub Sijhawm Post: Dec-31-2024