Nyob rau hauv kev lag luam textile saw, pretreatment, raws li ib tug tseem ceeb kauj ruam ua ntej dyeing thiab xov, ncaj qha cuam tshuam lub efficiency ntawm tom qab ua thiab cov khoom tiav.Pretreatment agents, raws li lub "invisible tsav tsheb" nyob rau hauv cov kauj ruam no, tshem tawm fiber ntau impurities thiab kho deg zog, muab fabrics ib tug inherent kom zoo dua nyob rau hauv uniformly absorbing dyes thiab auxiliaries. Lawv cov kev hloov kho thev naus laus zis yeej ib txwm cuam tshuam nrog kev lag luam ob txoj kev nrhiav kev zoo thiab kev tiv thaiv ib puag ncig.
Traditional pretreatment tsom rau desizing, scouring, thiab bleaching kom tshem tawm tej yam ntuj tso byproducts xws li sizing agents, pectin, thiab waxes los ntawm paj rwb fibers, nrog rau cov roj thiab oligomers los ntawm hluavtaws fibers. Thaum ntxov pretreatment agents cia siab rau cov alkalis uas muaj zog thiab muaj zog oxidants rau kev tshem tawm impurity zoo, tab sis cov teeb meem ntawm kev siv hluav taws xob siab thiab cov pa phem tau maj mam ua kom pom tseeb -COD (Chemical Oxygen Demand) thiab ntsev seem hauv cov dej khib nyiab tsis tsuas yog exacerbated ib puag ncig lub nra, tab sis kuj tuaj yeem ua rau muaj zog fiber ntau, ua rau muaj zog ntawm fiber ntau. Nrog lub ntiaj teb no saws ntawm eco- qauv textile (xws li OEKO-TEX®), pretreatment agents tab tom hloov pauv los ntawm "muaj zog tu" mus rau "kev tswj kom meej."
Tam sim no cov tshuaj pretreatment tseem ceeb tshaj qhov tseem ceeb ntawm qhov sib npaug ntawm kev ua haujlwm nyuaj thiab kev ua siab mos. Piv txwv li, composite desizing enzymes tsim rau paj rwb fabrics tau zoo decompose starch sizing agents ntawm qhov kub thiab txias, txo alkali siv; surfactant- muaj cov kab ke sib xyaw ua ke tuaj yeem ua rau cov roj emulsify ib txhij thiab disperse impurities, zam cov dej khib nyiab los ntawm ntau qhov ntxuav. Rau cov ntaub sib xyaw thiab ua haujlwm zoo (xws li cov dej tsis muaj dej thiab nplaim taws- cov ntaub ntawv retardant), cov neeg ua haujlwm ua ntej yuav tsum tau txiav txim siab qhov sib txawv ntawm fiber ntau, xaiv nkag mus rau kev kho qhov nro ntawm lub ntsej muag thiab tiv thaiv kev ua haujlwm tsis sib xws los ntawm kev kho mob hauv zos dhau -. Tsis tas li ntawd, kev qhia txog bio-raws li surfactants thiab biodegradable chelating agents tau nce biodegradability tus nqi ntawm cov dej khib nyiab pretreated mus rau ntau dua 90%, ua tau raws li kev lag luam qhov xav tau ceev rau "kev txo qis thiab kev txuag hluav taws xob."
Nws yog ib nqi sau cia hais tias innovation nyob rau hauv pretreatment agents tsis yog tsuas yog hais txog optimizing technical parameters, tab sis kuj hais txog kev hloov mus rau cov qauv ntawm kev txawj ntse ntau lawm. Los ntawm kev sib txuas nrog cov cuab yeej saib xyuas hauv online thiab dynamically kho tus neeg sawv cev concentration thiab cov txheej txheem tsis, kev tswj kom meej ntawm cov nyhuv pretreatment tuaj yeem ua tiav, txo tib neeg kev ua yuam kev. Nyob rau hauv lub neej yav tom ntej, nrog breakthroughs nyob rau hauv nanocarrier technology thiab biomimetic catalytic systems, pretreatment agents yuav ntxiv mus rau "tsawg npaum li cas, siab ua hauj lwm, thiab xoom emissions," muab lub hauv paus ruaj khov rau ntsuab kho kom zoo nkauj ntawm textile kev lag luam.
Los ntawm "kev tshem tawm impurity" mus rau "kev txhawb zog," cov keeb kwm rov qab ntawm cov neeg ua haujlwm textile pretreatment yog qhov microcosm ntawm kev lag luam hloov los ntawm kev nthuav dav mus rau qhov zoo thiab kev ua haujlwm. Nws tsis yog tsuas yog lub hauv paus pib rau kev nthuav dav - zoo fabrics tab sis kuj yog ib qho tseem ceeb fulcrum los txhawb kev sib haum xeeb ntawm kev lag luam thiab ib puag ncig.
