Hydroxypropylraylencellulose (HPMC) yog qhov sib txuas txuas nrog hauv kev tsim kho kev tsim kho. Nws lub ntsiab muaj nuj nqi yog los txhim kho cov khoom muaj nuj nqi ntawm cov ntaub ntawv xws li cug thiab pob zeb. Ib qho ntawm cov ntawv thov ntawm HPMC yog Gypsum-based tus kheej qib kev kawm, uas tau muaj feem cuam tshuam tseem ceeb ntawm kev tsim kho kev tsim kho.
Kev siv tus kheej txoj kev siv yog ib qho yooj yim pem teb cov ntaub ntawv uas yooj yim rau nruab thiab tuaj yeem thov cov pob zeb ua vaj tse lossis cov plag tsev qub. Nws yog cov kev xaiv nrov rau kev ua lag luam thiab chaw nyob yog vim nws qhov kev ua tau zoo thiab kav ntev. Qhov kev sib tw tseem ceeb hauv kev siv tus kheej cov plaster sib txuas yog tswj cov khoom zoo thiab muaj txiaj ntsig ntawm cov khoom siv thaum npaj thiab teeb tsa. Qhov no yog qhov chaw HPMC los ua si.
HydroxyPropy muag methylcellose yog cov hluavtaws tuab uas tau ntxiv rau Gypsum-based tus kheej txoj kev sib xyaw ua kom ntseeg tau tias txawm faib ntawm cov sib tov. Nws tseem pab tswj cov viscosity thiab tswj cov khoom zoo. HPMC yog ib qho tseem ceeb hauv kev coj tus kheej ntawm kev sib xyaw ua ke thaum nws ua kom muaj kev sib xyaw ua ke, kom muaj kev sib xyaw ua ke tsis tshwm sim thiab txhim kho kev sib xyaw.
Daim ntawv thov cov txheej txheem ntawm tus kheej-leveling gypsum muaj feem nrog sib xyaw ua ke gypsum nrog HPMC thiab dej. Dej ua haujlwm raws li tus cab kuj rau HPMC, kom ntseeg tau nws txawm tias kev faib tawm hauv kev sib xyaw. HPMC ntxiv rau kev sib xyaw ntawm tus nqi ntawm 1-5% ntawm qhov hnyav hnyav ntawm gypsum, nyob ntawm seb siv cov khoom yam xav tau.
Muaj ntau cov txiaj ntsig los ntxiv HPMC rau kev sib xyaw nws tus kheej. Nws nce cov khoom siv tau ua kom muaj zog los ntawm kev nce nws lub zog thiab kev tawm tsam rau dej, tshuaj lom neeg thiab puas tsuaj. Ib qho ntxiv, HPMC nce qhov hloov ntawm cov khoom, tso cai rau nws yoog kom haum rau kev hloov pauv kub thiab av noo. Qhov no tiv thaiv cov kab nrib pleb, txo cov pov tseg thiab txhim kho kom zoo nkauj ntawm koj cov flooring.
HydroxyPropyyl methylcellulose kuj tseem tuaj yeem ua raws li tus advesion promoter los ntawm kev nce txoj hlua khi ntawm tus kheej txoj kev txhawb nqa Gypsum mus rau substrate. Thaum cov sib tov yog thov, hpmc kom cov khoom sib xyaw kom sib xyaw rau cov txheej txheem ua ntej, ua ib txoj kev sib tw ua haujlwm tas mus li thiab muaj zog. Qhov no tshem tawm cov kev xav tau rau cov tshuab ntxhua khaub ncaws, txuag sijhawm thiab nyiaj txiag thaum teeb tsa.
Lwm qhov txiaj ntsig ntawm HPMC hauv Gypsum-basent tus kheej txoj kev qib yog nws txoj kev pab rau ib puag ncig kev ua haujlwm hauv kev tsim kho. HPMC yog ib puag ncig tus phooj ywg thiab yooj yim pov tseg ntawm, ua rau nws muaj kev nyab xeeb thiab muaj kev xaiv rau lwm yam kev sib txuas lus.
HydroxyPropyyl methylcellose (HPMC) tau ua pov thawj los ua ib qho tseem ceeb hauv gypsum-based tus kheej cov ntawv thov tus kheej. Los ntawm kev koom tes rau kev sib xws, zoo thiab kev sib xyaw ntawm cov sib tov, HPMC txhim kho lub durability thiab zoo nkauj ntawm cov khoom. Nws cov txiaj ntsig ntawm cov khoom siv cov khoom siv zog pab txuag tau kev lag luam lub sijhawm thiab nyiaj txiag. Ib qho ntxiv, kev siv HPMC txhawb nqa ib puag ncig, ua rau nws xaiv qhov kev xaiv xaiv hauv kev tsim kho.
Lub Sijhawm Post: Sep-14-2023