1. Ntxiv methylcellulose kom cov xis mas tuaj yeem muaj kev cuam tshuam tseem ceeb ntawm nws cov khoom siv neeg. Methylcellulose yog lub cellulose derivative feem ntau siv los ua cov tuab, stabilizer, thiab cov dej-tuav tus neeg sawv cev hauv ntau yam kev lag luam, suav nrog kev tsim kho. Thaum ntxiv los ntawm cov xis mas cov tshuaj sib tov, methylcellulose cuam tshuam ntau cov khoom tseem ceeb xws li muaj zog, kev ua haujlwm, teeb tsa lub sijhawm thiab lub sijhawm ntev.
2. Ib qho ntawm cov haujlwm tseem ceeb ntawm methylcellulose admixture yog nws cov txiaj ntsig ntawm kev ua haujlwm ntawm cov xis mas sib xyaw. Methylcellulose ua raws li cov neeg sawv cev rau dej, uas txhais tau tias nws pab tiv thaiv kom txhob muaj dej los sib xyaw. Qhov no nyeg txhim kho kev ua haujlwm ntawm cov cement, ua kom yooj yim sib xyaw, qhov chaw thiab ua tiav. Kev ua haujlwm tau zoo dua yog qhov txiaj ntsig tshwj xeeb hauv kev kho cov kev siv rau kev txhim kho cov txheej txheem thiab kev ua kom ncaj ncees.
3. Qhov ntxiv ntawm methylcellulose tseem yuav cuam tshuam rau lub sij hawm teeb lub sij hawm xis mas. Lub sijhawm teem sijhawm yog lub sijhawm nws yuav siv rau cov cement kom tawv thiab tsim nws lub zog thawj zaug. Methylcellulose tuaj yeem txuas lub sijhawm teem sijhawm, tso cai rau kev yoog raws thiab hloov kho thaum tsim kho. Qhov no muaj tshwj xeeb tshaj yog pab tau qhov twg ntev dua sij hawm, xws li ntawm cov haujlwm loj lossis huab cua sov uas nyob qhov twg nrawm chaw tuaj yeem tawm txoj kev nyuaj.
4. Methylcellulose yuav pab txhim kho lub zog compressive ntawm cov cement. Compressive lub zog yog qhov tseem ceeb txhua yam cuab yeej uas ntsuas cov khoom siv tsis muaj peev xwm tiv thaiv Axial lo tsis muaj kev sib tsoo. Cov kev tshawb fawb tau pom tias ntxiv methylcellulose tuaj yeem txhim kho lub zog compressive ntawm cov ntaub ntawv MAAAs. Qhov kev txhim kho no yog ntaus nqi los txhim kho cov hloov pauv hloov pauv thiab txo voids nyob rau hauv cov qauv.
5. Ntxiv rau compressive lub zog, ntxiv rau methylcellulose tseem yuav muaj qhov cuam tshuam zoo rau lub zog ntawm lub zog ntawm cov cement. FLEXURAL lub zog yog qhov tseem ceeb hauv kev siv cov ntaub ntawv uas cov ntaub ntawv raug rau khoov lossis tensile rog. Methylcellulose pab kom ua tiav kev faib tawm ntau dua thiab ntxiv dag zog rau lub suab paj nruag malrix, yog li muaj zog hloov lub zog yooj yim.
6. Lub durability ntawm MAAs cov ntaub ntawv yog lwm qhov kev cuam tshuam los ntawm kev ntxiv ntawm methylcellulose. Lub durability suav nrog kev tiv thaiv ntau yam, xws li khov-thaw cancles, tshuaj tua rog, thiab hnav. Methylcellulose tuaj yeem txhim kho lub durability ntawm xis mas los ntawm kev txhim kho cov microsetenture thiab txo cov permeability ntawm cov khoom siv, tsis muaj kev cuam tshuam ntawm cov khoom muaj teeb meem.
7. Yog li no, kev txiav txim siab zoo thiab kev xeem yuav tsum ua kom ua kom zoo dua thiab ua kom haum nrog lwm cov ntawm cov sib tov ua keasas.
Qhov kev sib ntxiv ntawm metylcellulose kom ntseeg tau tias muaj ntau cov txiaj ntsig zoo ntawm nws lub zog, suav nrog kev ua haujlwm lub sijhawm, txhim kho lub zog compressive, thiab lub zog yooj yim, thiab qhov muaj zog yooj yim, thiab qhov muaj zog yooj yim, thiab qhov muaj zog yooj yim, thiab siv hluav taws xob yooj yim dua. Cov txheej txheem me me ua rau methylcellulose ib qho muaj txiaj ntsig admixture hauv kev tsim kho cov khoom siv, muab cov kws ua haujlwm thiab cov kws tsim khoom lag luam nrog kev hloov pauv ntau dua thiab tswj cov khoom ntawm cov xis.
Lub Sijhawm Post: Jan-18-2024