Hydroxyethyl methylcellulose (HEMC), raws li ib qho kev siv dej-soluble polymer compound, muaj qhov zoo ntawm cov cement-based coatings. Nws cov qauv tshuaj tso cai rau nws ua lub luag haujlwm tseem ceeb hauv kev txhim kho kev ua haujlwm ntawm cov cement-based coatings.
1. Txhim kho kev tsim kho kev ua haujlwm
Thaum lub sij hawm tsim cov txheej txheem ntawm cement-based coatings, fluidity thiab workability yog ib qho tseem ceeb cuam tshuam rau txheej zoo thiab kev tsim kho efficiency. HEMC tuaj yeem txhim kho kev tsim kho kev ua haujlwm ntawm cov txheej txheem los ntawm kev ua kom cov viscosity thiab dej tuav ntawm cov txheej. Kev ua haujlwm tshwj xeeb yog:
Txhim kho kev ua haujlwm ntawm cov xim: HEMC tuaj yeem ua kom cov xim sib xws, ua kom yooj yim los tswj cov xim thaum txheej txheem txheej txheej thiab zam cov teeb meem xws li cov xim ntws thiab ntws.
Txhim kho cov dej tuav ntawm cov txheej txheem: HEMC tuaj yeem txhim kho cov dej tuav ntawm cov cement-based coatings, ua kom cov dej ntws qeeb qeeb, thiab xyuas kom muaj qhov sib xws thiab ruaj khov ntawm cov txheej.
Qhov no tshwj xeeb tshaj yog haum rau kev tsim kho scenarios uas yuav tsum tau ua haujlwm ntev. Nws tuaj yeem ua kom ntseeg tau tias cov cement slurry yuav tsis qhuav ntxov thaum lub sijhawm txheej txheem txheej txheem txheej txheem, yog li ua kom cov txheej txheem zoo.
2. Txuas sijhawm qhib
Lub sijhawm qhib ntawm cov cement-raws li cov xim yog lub sijhawm tom qab cov xim tau thov tias nws tseem tuaj yeem hloov kho lossis ua tiav. Raws li cov thickener ua tau zoo, HEMC tuaj yeem txuas ntxiv lub sijhawm qhib ntawm cov cement-based coatings, yog li ua kom yooj yim rau kev tsim kho. Tom qab ntxiv HEMC rau cov cement-based coatings, cov neeg ua haujlwm tsim kho tuaj yeem muaj sijhawm ntxiv los kho cov txheej txheem thiab txiav kom tsis txhob muaj teeb meem los ntawm kev kho sai ntawm cov txheej txheem.
3. Txhim kho qhov adhesion ntawm cov xim
HEMC tuaj yeem txhim kho qhov adhesion ntawm cov txheej thiab cov substrate hauv cov cement-based coatings, tshwj xeeb tshaj yog nyob rau ntawm du lossis nyuaj-rau-bond substrate nto (xws li hlau, iav, thiab lwm yam). Qhov sib ntxiv ntawm HEMC tuaj yeem txhim kho qhov adhesion ntawm txheej txheej. Ua kom pom tseeb. Nyob rau hauv txoj kev no, tsis tsuas yog lub durability ntawm lub txheej yog txhim kho, tab sis kuj muaj peev xwm los tiv thaiv ntog ntawm txheej yog kho kom zoo dua.
4. Txhim kho qhov tawg tsis kam ntawm cov coatings
Cement-based coatings yog nquag tawg thaum lub sij hawm kho, tshwj xeeb tshaj yog nyob rau hauv tuab txheej los yog nyob rau hauv high-kub ib puag ncig. HEMC tuaj yeem txhim kho qhov elasticity ntawm cov txheej txheej los ntawm nws cov qauv molecular tshwj xeeb, txo cov ntim ntim los ntawm dej volatilization, thiab txo qhov tshwm sim ntawm cov kab nrib pleb. HEMC tseem tuaj yeem cuam tshuam nrog lwm cov khoom hauv cov cement los tsim cov qauv sib txuas ruaj khov, ntxiv rau kev txhim kho qhov tawv thiab tawg tsis kam ntawm txheej.
5. Txhim kho cov dej tsis kam ntawm cov txheej txheej
Cov dej tsis kam ntawm cov cement-based coatings yog ib qho tseem ceeb rau lub tsev sab nrauv, hauv qab daus, thiab lwm qhov chaw raug dej los yog dej. Cov dej tuav cov khoom ntawm HEMC tuaj yeem ua kom tsis txhob poob dej hauv cov cement-based coatings, yog li txhim kho cov dej tsis kam ntawm txheej. Tsis tas li ntawd, HEMC tuaj yeem sib koom ua ke nrog cov khoom xyaw hauv cov cement los txhim kho tag nrho cov kev tiv thaiv kev nkag mus ntawm txheej txheej, yog li txhim kho cov dej tsis zoo ntawm txheej txheej.
6. Txhim kho rheology ntawm txheej txheej
Daim ntawv thov ntawm HEMC hauv cov cement-based coatings tuaj yeem txhim kho rheology ntawm txheej txheej, muab nws zoo dua fluidity thiab leveling zog. Tom qab ntxiv HEMC rau cement-based coatings, fluidity ntawm txheej thaum lub txheej txheej txheej txheej yog optimized, thiab txheej txheej tuaj yeem tsim cov txheej txheej smoother thiab ntau dua, tsis txhob muaj txheej txheej los ntawm cov txheej txheem ntau dhau los yog tsis sib xws.
7. Kev ua haujlwm ib puag ncig
Raws li ib tug natural polysaccharide derivative,HEMC muaj biodegradability zoo thiab yog li ntawd muaj kev ua haujlwm zoo ib puag ncig. Nws tuaj yeem hloov qee cov tshuaj hluavtaws ntxiv thiab txo cov khoom tsis zoo hauv cov txheej txheem, yog li kev txhim kho ib puag ncig kev ua haujlwm ntawm cov cement-based coatings. Rau niaj hnub architectural txheej txheej, kev tiv thaiv ib puag ncig tau dhau los ua qhov tseem ceeb ntawm kev ua lag luam thiab cov kev cai, yog li kev siv HEMC ua lub luag haujlwm zoo hauv kev txhim kho kev tiv thaiv ib puag ncig ntawm cov txheej txheem.
8. Txhim kho qhov ntev ntawm cov xim
Qhov sib ntxiv ntawm HEMC tuaj yeem txhim kho qhov hnav tsis kam, huab cua tsis kam thiab UV tsis kam ntawm cov cement-based coatings. Nws tuaj yeem ua rau qeeb cov teeb meem xws li fading thiab tawg ntawm cov cement-based coatings los ntawm lwm qhov chaw ib puag ncig xws li hnub ci thiab nag yaig, thiab txhim kho cov kav ntev ntawm cov txheej. Qhov kom zoo dua no yog tshwj xeeb tshaj yog tsim rau lub tsev sab nrauv phab ntsa coatings uas raug rau sab nraud ib puag ncig rau lub sij hawm ntev thiab muaj peev xwm mus cuag lub neej kev pab cuam ntawm txheej.
9. Txhim kho cov tshuaj tua kab mob ntawm cov cement-based coatings
Raws li kev noj qab haus huv thiab kev nyab xeeb ntawm cov khoom siv hauv tsev txuas ntxiv nce ntxiv, cov khoom siv tshuaj tiv thaiv kab mob hauv cov txheej txheem tau dhau los ua qhov tseem ceeb. HEMC nws tus kheej muaj qee yam tshuaj tua kab mob thiab tuaj yeem tiv thaiv kev loj hlob ntawm pwm thiab kab mob ntawm cov txheej txheej. Nyob rau hauv ib puag ncig nrog cov av noo siab, qhov sib ntxiv ntawm HEMC tuaj yeem pab cov txheej txheem tiv thaiv kev yaig ntawm pwm thiab cov kab mob thiab txhim kho kev nyiam huv thiab ua haujlwm ntev ntawm cov txheej.
10. Txhim kho kev tsim kho kev nyab xeeb ntawm cov cement-based coatings
Raws li cov tshuaj tsis muaj tshuaj lom thiab tsis ua rau khaus, HEMC muaj kev nyab xeeb siab. Thaum lub sij hawm tsim kho,HEMCtsis tshua muaj kev phom sij rau tib neeg lub cev thiab txo qhov cuam tshuam rau kev noj qab haus huv ntawm cov neeg ua haujlwm tsim kho. Tsis tas li ntawd, HEMC tseem tuaj yeem txo cov plua plav tawm thaum lub sijhawm tsim kho, yog li txhim kho huab cua zoo ntawm qhov chaw tsim kho.
Daim ntawv thov ntawmhydroxyethyl methylcellulosehauv cov cement-based coatings muaj ntau yam zoo. Nws tuaj yeem tsis tsuas yog txhim kho kev tsim kho ntawm cov txheej txheem, txuas ntxiv lub sijhawm qhib, thiab txhim kho qhov adhesion, tab sis kuj txhim kho qhov tawg tsis kam, dej tsis kam, rheology thiab durability ntawm txheej. Tsis tas li ntawd, HEMC, raws li ib puag ncig tus phooj ywg thiab tsis muaj tshuaj lom additive, tsis tsuas yog txhim kho cov txheej txheem kev ua haujlwm, tab sis kuj pab txo qis ib puag ncig. Yog li, HEMC tau siv dav hauv cov cement-based coatings niaj hnub thiab tau dhau los ua ib qho tseem ceeb hauv kev txhim kho txheej zoo thiab kev tsim kho kom zoo.
Post lub sij hawm: Nov-11-2024