Cov nplaum rau pobzeb ua lub luag haujlwm tseem ceeb hauv kev lag luam kev tsim kho, ua kom cov pobzeb sib txuas tau zoo rau ntau yam khoom siv. Hydroxypropyl Methylcellulose (HPMC) yog ib qho khoom xyaw tseem ceeb hauv ntau cov nplaum rau pobzeb niaj hnub no, muab cov khoom nplaum zoo dua thiab ua haujlwm tau zoo dua.
1. Nkag Siab Txog Hydroxypropyl Methylcellulose (HPMC):
HPMC yog ib qho cellulose derivative feem ntau siv rau hauv cov ntaub ntawv tsim kho rau nws cov khoom nplaum, thickening, thiab dej tuav.
Nws yog muab los ntawm cov cellulose ntuj thiab ua tiav rau hauv cov hmoov zoo.
HPMC ua rau lub zog sib txuas ntawm cov nplaum pobzeb zoo dua thaum txhim kho lawv txoj haujlwm ua haujlwm thiab cov yam ntxwv khaws dej.
2. Kev tsim cov nplaum HPMC-Based Tile:
a. Cov Khoom Xyaw Tseem Ceeb:
Portland cement: Muab cov neeg sawv cev tseem ceeb.
Xuab zeb zoo los yog cov khoom siv ntxiv: Ua kom yooj yim ua haujlwm thiab txo qhov ntsws.
Dej: Yuav tsum muaj rau kev ua kom noo thiab ua haujlwm tau zoo.
Hydroxypropyl Methylcellulose (HPMC): Ua haujlwm ua tus neeg sawv cev thickening thiab bonding.
Cov Khoom Ntxiv: Tej zaum yuav suav nrog cov polymer modifiers, dispersants, thiab cov neeg sawv cev tiv thaiv kev qaug zog rau kev txhim kho kev ua tau zoo tshwj xeeb.
b. Kev faib ua feem:
Qhov feem pua ntawm txhua yam khoom xyaw sib txawv nyob ntawm seb muaj dab tsi xws li hom pobzeb, cov khoom siv hauv qab, thiab cov xwm txheej ib puag ncig.
Ib qho kev tsim cov tshuaj feem ntau yuav muaj 20-30% cement, 50-60% xuab zeb, 0.5-2% HPMC, thiab cov dej kom tsim nyog kom ua tiav qhov sib xws xav tau.
c. Cov Txheej Txheem Sib Tov:
Sib tov cov cement, xuab zeb, thiab HPMC kom huv si kom ntseeg tau tias muaj kev faib tawm sib npaug.
Maj mam ntxiv dej thaum sib tov kom txog thaum tau qhov sib xws raws li koj xav tau.
Sib tov kom txog thaum tau txais cov nplaum du thiab tsis muaj pob, xyuas kom meej tias cov cement hydration zoo thiab kev sib kis ntawm HPMC.
3. Daim ntawv thov ntawm HPMC-Based Tile Adhesive:
a. Kev Npaj Nto:
Xyuas kom tseeb tias lub substrate huv si, muaj zog, thiab tsis muaj hmoov av, roj, thiab cov kab mob.
Cov chaw ntxhib lossis tsis sib luag yuav xav tau kev sib npaug lossis kev pleev xim ua ntej siv cov nplaum.
b. Cov Txheej Txheem Siv:
Kev Siv Trowel: Txoj kev siv ntau tshaj plaws yog siv lub trowel uas muaj qhov nkhaus los nthuav cov nplaum rau ntawm lub substrate.
Siv roj nplaum rau tom qab: Siv ib txheej nplaum nyias nyias rau tom qab cov vuas ua ntej muab tso rau hauv lub txaj nplaum yuav ua rau kev sib txuas zoo dua, tshwj xeeb tshaj yog rau cov vuas loj lossis hnyav.
Kev Sib Txuas Qhov Chaw: Haum rau cov vuas sib dua lossis cov ntawv thov kho kom zoo nkauj, suav nrog kev siv cov nplaum ua tej daim me me es tsis txhob nthuav nws thoob plaws hauv lub substrate.
c. Kev Teeb Pobzeb:
Nias cov vuas kom ruaj rau hauv lub txaj nplaum, kom ntseeg tau tias sib txuas tag nrho thiab npog sib npaug.
Siv cov spacers los tswj cov pob qij txha sib xws.
Kho qhov sib dhos ntawm cov vuas vov sai sai ua ntej cov nplaum teeb.
d. Kho thiab Grouting:
Cia cov nplaum kom kho raws li cov lus qhia ntawm cov chaw tsim khoom ua ntej grouting.
Siv cov khoom siv grout uas tsim nyog los grout cov vuas vov, sau cov pob qij txha kom tiav thiab ua kom qhov chaw du.
4. Cov txiaj ntsig ntawm HPMC-Based Tile Adhesive:
Lub Zog Sib Txuas Zoo Dua: HPMC txhim kho kev sib txuas rau ob qho tib si vuas thiab cov khoom siv, txo qhov kev pheej hmoo ntawm cov vuas tawg.
Kev Ua Haujlwm Zoo Dua: Qhov muaj HPMC ua rau kev ua haujlwm zoo dua thiab lub sijhawm qhib ntawm cov nplaum, ua rau kev thov thiab kev kho cov vuas yooj yim dua.
Kev Khaws Dej: HPMC pab khaws cov dej noo hauv cov nplaum, txhawb kom muaj dej noo ntawm cov cement thiab tiv thaiv kom qhuav ua ntej.
Cov nplaum pobzeb HPMC muab kev daws teeb meem zoo rau ntau yam kev siv pobzeb, muab kev nplaum zoo, ua haujlwm tau zoo dua, thiab ua kom ruaj khov dua. Los ntawm kev nkag siab txog cov qauv thiab cov txheej txheem siv uas tau teev tseg hauv phau ntawv qhia no, cov kws tshaj lij kev tsim kho tuaj yeem siv cov nplaum HPMC kom ua tiav cov kev teeb tsa pobzeb zoo.
Lub sijhawm tshaj tawm: Plaub Hlis-15-2024