HydroxyPropyyl methylcellueculose (HPMC) yog cov hom phiaj dav dav dav dav siv hauv kev tsim kho kev tsim kho. Nws cov khoom tshwj xeeb pub nws los tsim cov kev sib tw muaj zog nrog cov cement thiab tshuaj khib, ua rau nws muaj cov khoom tseem ceeb hauv ntau cov ntaub ntawv hauv tsev.
Dab tsi yog hydroxypropyl methylcellose (HPMC)?
HPMC yog cov cuab yeej hluavtaws tuaj los ntawm cellulose, ib qho tshwm sim hauv cov nroj tsuag. Nws yog feem ntau siv nyob rau hauv cov khoom lag luam thiab kev lag luam zaub mov ua tuab, emulsifier thiab stabilizer thiab stabilizer. Hauv kev tsim kho kev tsim kho, nws yog tsuas yog siv los ua cov tuab, nplaum thiab dej khaws cia.
HPMC ua haujlwm li cas nrog txoj siav thiab tshuaj khib?
Thaum muab ntxiv rau cement thiab tshuaj khib, hpmc ua haujlwm raws li dej khaws cia tus neeg sawv cev. Nws nqus dej thiab ua cov khoom siv gel uas pab txhim kho kev ua haujlwm thiab muaj kev sib xyaw. Qhov no ua rau xis mas siv tau yooj yim thiab ua haujlwm nrog, muab cov kev pheej hmoo smoother thiab txo qhov kev pheej hmoo ntawm kev tawg thiab shrinkage.
Ntxiv rau nws cov dej-khaws cov khoom, HPMC tuaj yeem siv los ua phau ntawv hauv Maas thiab tshuaj khib. Nws tsim cov kev sib raug zoo nrog lwm cov khoom xyaw, pab txhim kho lub zog tag nrho thiab ruaj khov ntawm cov khoom kawg. Qhov no ua rau nws muaj kev xaiv nrov rau cov ntawv thov uas yuav tsum muaj zog, xws li cov tsev lag luam, thiab lwm yam haujlwm nce qib.
Cov txiaj ntsig ntawm kev siv HPMC tau txais txiaj ntsig zoo li cas thiab tshuaj khib?
Siv hpmc hauv cov cement thiab tshuaj khib muaj ob peb zoo:
1. Txhim kho cov haujlwm ua haujlwm: HPMC pab txhim kho kev ua haujlwm thiab zoo sib xws ntawm cov sib tov, ua rau kev sib xyaw kom yooj yim dua thiab siv.
2. Txo cov shrinkage thiab kev tawg: HPMC cov dej-khaws cov khoom pab tiv thaiv shrinkage thiab tawg, ib qho teeb meem uas muaj xis mas.
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4. Txhim kho Adhesion: HPMC ua cov ntawv cog lus muaj zog nrog lwm cov khoom xyaw, uas tau txais txiaj ntsig zoo rau txheej txheem zoo dua ntawm txheej ciasent.
5. Txhim Kho Huab Cua Kuj: HPMC yuav pab txhim kho huab cua tsis kam ntawm xis mas ua rau lawv tiv taus dej thiab cov huab cua phem.
Hauv kev xaus
Kev sib koom tes ntawm HPMC thiab Maas thiab tshuaj khib yog ib qho kev sib koom tes tseem ceeb uas tuaj yeem pab tau kev tsim kho kev tsim kho hauv ntau txoj kev. Los ntawm kev txhim kho cov khoom lag luam, txo cov shrinkage thiab tawg, txhim kho lub zog, txhim kho huab cua tsis kam ua rau kev txhim kho cov cuab yeej tsim tshiab niaj hnub. Raws li kev tsim kho kev tsim kho tseem loj hlob thiab kev sib koom tes ntawm HPMC thiab Maas thiab cug yuav ua lub luag haujlwm tseem ceeb hauv kev ua haujlwm tom ntej ntawm kev tsim kho.
Lub Sijhawm Post: Sep-21-2023