HydroxyPropyyl methylulose (HPMC) yog siv dej-solub-solound compound, tshwj xeeb yog nyob rau hauv xis mas raws slurry raws li qhov tseem ceeb ntxiv. Nws tuaj yeem txhim kho kev ua tau zoo ntawm cov slurry, txhim kho cov nyhuv kev tsim kho, thiab nce lub durability thiab cov khoom lag luam.
1. Lub luag haujlwm hauv xis mas cug
Cement cug yog lub tsev cov khoom muaj xws li cov cement, zoo sib sau ua ke, dej thiab cov ntxiv, uas yog siv hauv phab ntsa, hauv av thiab lwm yam kev tsim kho. Lub luag haujlwm tseem ceeb ntawm HPMC hauv ceeles cug suav nrog cov hauv qab no:
Txhim Kho Cov Haujlwm
Thaum siv cov xis mas colle, viscosity thiab filcise yog cov ntsiab lus tseem ceeb uas txiav txim siab cov nyhuv tsim. Raws li cov dej-soluble polymer, HPMC tuaj yeem tsim cov qauv mev, txhim kho cov dej huv, thiab nce kev tsim kho thiab ua haujlwm. Caas capour Siv HPMC ntau dua, tuaj yeem yooj yim txuas rau ntawm phab ntsa, thiab tsis yooj yim rau cov neeg ua haujlwm tsim kho kom khiav haujlwm.
Ncua Caas dej ntawm cov dej cawv thiab nce sijhawm nce
Maas hydration tshuaj tiv thaiv yog tus txheej txheem tseem ceeb ntawm cov xis mas tawv tawv. HPMC tuaj yeem tsim cov qauv colloidal hauv lub tshuaj khib nyiab hauv lub condensing dhau ntawm kev tsim kho, yog li nce lub sijhawm qhib ntawm lub cug. Lub sijhawm qhib qhib txuas ntxiv pab cov neeg ua haujlwm kom muaj kev ua haujlwm txaus thaum tsim cov nplai loj.
Txhim kho kev tiv thaiv kev tiv thaiv kev tiv thaiv kev tiv thaiv thiab dej rov qab
HPMC tuaj yeem txhim kho cov dej sib khi ntawm xis mas cug, thiab ua kom muaj dej ua ntej pib ua haujlwm hauv cov txheej txheem cement tom qab kev tsim kho. Tsis tas li ntawd, HPMC kuj tseem tuaj yeem tiv thaiv kev sib cais ntawm cov dej thiab sib xyaw ua kab tshuaj khib thiab txo qhov sib cais ntawm cug. Qhov no yog qhov tseem ceeb rau kev muab tshuaj khib rau thaj chaw loj, tshwj xeeb tshaj yog nyob hauv ib puag ncig kub thiab qhuav.
Txhim khu cov nplaum ntawm cug
Cov qauv molecular ntawm HPMC tuaj yeem tsim cov adsorption ntawm Caas hais thiab xuab zeb hais tawm, txhim kho cov nplaum ntawm cug. Qhov no tuaj yeem txhim kho txoj kev sib raug zoo ntawm cov xis nyob ntawm ntau hom substrates, tshwj xeeb tshaj yog nyob rau cov chaw qhuav lossis cov chaw tsis xwm yeem.
Txhim kho nto smoothness
Vim yog lub cev yuag ntawm HPMC, cov nplaim ntawm cov cement cig nrog HPMC ntxiv yog smoothing, txo cov qauv kev tsim kho thiab txhim kho cov txheej kawg. Qhov no yog qhov tshwj xeeb tshaj yog nyob rau hauv kho kom zoo nkauj kho kom zoo nkauj, phab ntsa ntoo thiab lwm yam kev tsim kho.
2. Lub luag haujlwm hauv Gypsum-Raws Li Suurry
Gypsum-raws li slurry yog tsuas yog muaj ntawm gypsum hmoov, dej thiab ntxiv rau hauv phab ntsa kho kom zoo nkauj, kev plastering thiab kho kom zoo nkauj. Lub luag haujlwm ntawm HPMC hauv Gypsum-raws li slurry yog zoo ib yam li ntawm ceelent cort, tab sis nws kuj muaj qee yam haujlwm tshwj xeeb.
Txhim kho fluolity thiab workrity
Zoo ib yam li Cauv khib nyiab, lub fluidity thiab worreity ntawm gypsum-raws li slurry ncaj qha cuam tshuam cov nyhuv tsim. HPMC tuaj yeem ua kom muaj kev phom sij ntawm gypsum slurry, tiv thaiv cov slurry los ntawm kev tsis ncaj thiab nplaum thaum sib tov lossis kev tsim kho.
Ncua Gypsum Teem Sijhawm
Lub sijhawm teeb tsa ntawm Gypsum slurry yog qhov luv. HPMC tuaj yeem ncua kev teeb tsa kev teeb meem ntawm Gypsum, yog li ntawd cov slurry tuaj yeem tswj lub sijhawm qhib ntev dua thaum kev tsim kho. Qhov no pab cov neeg ua haujlwm kom tsim kho kom zoo thaum ua haujlwm ntawm thaj chaw loj thiab tsis txhob tsim kev nyuaj los ntawm kev sib tw nrawm.
Txhim kho cov dej cia thiab tawg
Gypsum slurry feem ntau ntsib cov teeb meem ntawm kev ua kom ntxov ntawm dej thaum kev tsim kho, uas yuav ua rau tawg ntawm cov slurry nto. HPMC tuaj yeem txhim kho cov dej khaws cia ntawm cov slurry, txo qhov evaporation ntawm cov kab nrib pleb thiab txhim kho cov kab nrib pleb ntawm gypsum-raws li slurry.
Txhim kho adheesion
HPMC tuaj yeem txhim kho cov nplaum ntawm gypsum-raws li slurry thiab sib txawv substrates, tshwj xeeb tshaj yog nyob nrog cov chaw sib tw nrog cov chaw ntxhib lossis tsis xwm yeem. Los ntawm kev txhim kho cov kab ke ntawm cov slurry, HPMC txhim kho kev ruaj ntseg ntawm Gypsum-raws li slurry thiab tsis txhob muaj teeb meem xws li tom qab tuedding.
Txhim kho nto smoothness thiab decorativeness
Gypsum-raws li slurry feem ntau siv rau kev tsim kho kom zoo nkauj, yog li nws nto smoothness thiab qhov kawg pom yog qhov tseem ceeb heev. Qhov kev sib txuas ntawm HPMC tuaj yeem ua rau lub gypsum slurry muaj kev noj qab heev thiab du, txo cov pitomenon uas yuav tshwm sim thaum lub sijhawm kev tsim kho, thiab txhim kho qhov kawg nyhuv.
Lub luag haujlwm ntawm HPMC hauv colt cug thiab gypsum-raws li slurry yog multifaceted. Nws tseem txhim kho txoj kev tsim kho thiab cov nyhuv kawg ntawm cov surrry, kev txhim kho cov dej khov kho thiab ua kom muaj zog, thiab txhim kho adhesion. Tshwj xeeb tshaj yog nyob rau hauv cov txheej txheem ntawm kev ntsuas loj thiab kho kom zoo nkauj, daim ntawv thov ntawm HPMC tau txhim kho kev ua haujlwm zoo thiab muaj qhov tseem ceeb hauv tsev.
Lub Sijhawm Post: Feb-19-2025