Hydroxypropyl methylcellulose (HPMC) yog ib qho tseem ceeb raw khoom nyob rau hauv kev tsim kho kev lag luam thiab yog siv nyob rau hauv ntau yam kev siv xws li mortar kho. HPMC yog ib txwm muab los ntawm cellulose ether nrog cov khoom tshwj xeeb uas ua rau nws zoo tagnrho rau kev tsim kho.
mortar yog dab tsi?
Mortar yog cov nplaum siv hauv kev tsim kho los koom nrog cov cib lossis lwm yam khoom siv hauv tsev xws li pob zeb, pob zeb, pob zeb lossis pob zeb. Nws plays lub luag haujlwm tseem ceeb hauv kev ua haujlwm ntev thiab lub zog ntawm cov qauv. Mortar yog tsim los ntawm kev sib xyaw ntawm cov cement, dej thiab xuab zeb. Qhov sib ntxiv ntawm lwm tus neeg sawv cev, xws li fibers, aggregates, los yog tshuaj sib tov, kuj tuaj yeem txhim kho qee yam khoom, xws li kev ua haujlwm, lub zog, thiab kev tuav dej.
Kev kho mortar
Mortar yog ib qho tseem ceeb ntawm txhua lub tsev tsim thiab nws yog ib qho tseem ceeb kom nws nyob rau hauv qhov zoo. Qhov no yog qhov tseem ceeb los xyuas kom muaj kev nyab xeeb, durability thiab soundness ntawm lub tsev. Nyob rau tib lub sijhawm, mortar tuaj yeem hnav, puas, lossis eroded vim huab cua, hnav thiab tsim kua muag, lossis cov khoom tsis zoo. Yog tias tsis kho, nws tuaj yeem ua rau cov qauv tsis muaj zog thiab kev puas tsuaj tuaj yeem ua rau hnyav dua. Yog li ntawd, nws yog ib qho tseem ceeb kom nkag siab txog koj cov kev xaiv kho mortar.
Kev kho mortar yog qhov tseem ceeb los xyuas kom meej qhov kev ncaj ncees ntawm cov qauv thiab tiv thaiv kev puas tsuaj ntxiv. Cov txheej txheem kho feem ntau yog tshem tawm cov khib nyiab puas lossis hnav, tshuaj xyuas qhov ua rau puas tsuaj, thiab hloov nws nrog kev sib tov tshiab.
Daim ntawv thov ntawm HPMC hauv kev kho mortar
Thaum peb tham txog kev kho mortar, HPMC yog qhov kev daws teeb meem zoo tshaj plaws hauv khw niaj hnub no. HPMC tuaj yeem muab ntxiv rau cov cement mortars txhawm rau txhim kho lawv cov kev ua tau zoo thiab cov yam ntxwv hauv kev siv tshuaj mortar. HPMC muaj cov khoom tshwj xeeb uas ua rau nws zoo tagnrho rau lub hom phiaj no.
Txhim kho kev ua haujlwm
Ib qho txiaj ntsig tseem ceeb ntawm kev siv HPMC hauv kev kho mortar yog nws txoj kev ua haujlwm tau zoo. Kev kho mortar yog ib txoj haujlwm nyuaj vim nws yuav tsum tau muab cov tshuaj khib nyiab tshiab tso rau ntawm qhov chaw puas. HPMC txhim kho kev ua haujlwm ntawm cov mortar, ua kom yooj yim rau kev thov thiab rov ua dua raws li xav tau. Qhov tshwm sim yog smoother, zoo ib yam nto uas muab kev pab zoo dua thiab adhesion.
Txhim kho adhesion
HPMC tuaj yeem txhim kho cov khoom sib txuas ntawm mortar. Qhov no yog qhov tseem ceeb los ua kom muaj kev sib raug zoo ntawm cov mortar tshiab thiab cov mortar uas twb muaj lawm. Los ntawm kev muab cov adhesion zoo dua, HPMC xyuas kom meej tias cov mortar tshiab sib xyaw ua ke nrog cov qauv uas twb muaj lawm, tsis muaj cov ntsiab lus tsis muaj zog uas tuaj yeem ua rau muaj kev puas tsuaj ntxiv.
Kev tuav dej siab
Lwm qhov txiaj ntsig ntawm kev siv HPMC hauv mortar kho yog tias nws txhim kho cov dej tuav cov khoom ntawm cov tshuaj khib. Qhov no yog qhov tseem ceeb vim tias dej ua lub luag haujlwm tseem ceeb hauv kev kho cov cement mortar. Los ntawm khaws cov dej ntau dua, HPMC ua rau cov mortar kho tau qeeb dua thiab sib npaug, ua rau cov khoom muaj zog, ruaj khov dua zaum kawg.
Txhim kho yooj
HPMC kuj tseem txhim kho qhov hloov pauv ntawm cov mortar. Qhov no yog ib qho tseem ceeb vim hais tias kev kho mortar yuav tsum tau sau qhov khoob thiab hloov cov mortar uas ploj lawm. Tsis yog tsuas yog yuav tsum tau txais cov ntawv cog lus tshiab zoo rau cov qauv uas twb muaj lawm, tab sis nws yuav tsum txav mus raws cov qauv uas twb muaj lawm yam tsis muaj kev tawg lossis tawg. HPMC muab qhov tsim nyog hloov tau los xyuas kom meej tias cov mortar tshiab tuaj yeem hloov mus rau qhov txav ntawm cov qauv nyob ib puag ncig yam tsis muaj kev cuam tshuam nws lub zog thiab ua haujlwm ntev.
Tus nqi siab ua haujlwm
Ntxiv rau qhov zoo tshaj plaws uas tau hais los saum toj no, siv HPMC hauv kev kho mortar kuj yog ib qho txiaj ntsig zoo. Los ntawm kev txhim kho kev ua haujlwm, adhesion, dej tuav thiab hloov tau yooj yim ntawm cov mortar, HPMC pab txuas ntxiv lub neej ntawm cov qauv, uas txhais tau hais tias tsawg dua kev kho thiab tu hauv lub sijhawm ntev. Qhov no tsim kev txuag nqi tseem ceeb rau cov tswv thiab cov tsim tawm.
nyob rau hauv xaus
Kev siv HPMC hauv kev kho mortar muaj ntau yam txiaj ntsig rau kev tsim kho kev lag luam. Txhim khu kev ua hauj lwm, adhesion, dej tuav, yooj thiab nqi-zoo ua HPMC ib tug zoo tagnrho tov rau tu thiab kho cov tsev. Raws li kev ruaj ntseg txuas ntxiv txhawb kev loj hlob hauv kev tsim kho kev lag luam, HPMC muab cov kev daws teeb meem los txuas ntxiv lub neej ntawm cov tsev, ua rau lawv tiv taus ntau dua rau kev hnav thiab tsim kua muag ntawm kev siv txhua hnub. Yog li ntawd, nws yog ib qho tsim nyog yuav tsum xav txog kev siv HPMC hauv cov txheej txheem kho mortar kom ntseeg tau tias muaj zog, lub zog, thiab lub neej ntev.
Post lub sij hawm: Oct-17-2023