HydroxyPropyyl methylulose (HPMC) yog ib qho kev ua haujlwm ntawm ionic, kev sib sau ua ke nrog cov khoom siv zoo heev, yog li nws tau siv dav hauv kev tsim kho kev tsim kho.
Daim ntawv thov ntawm hydroxypropyl methylcellulose hauv cov khoom noj yog qhov tseem ceeb heev. Ntxiv tus nqi tsim nyog ntawm HPMC kom xis xis tuaj yeem txhim kho kev ua haujlwm ntawm lub tshuaj khib. HPMC muaj dej zoo heev, uas txhais tau tias nws tuaj yeem ncua cov cua ntawm cov dej huv, yog li ua kom muaj zog thiab ua kom muaj zog ntawm lub cug. Tsis tas li ntawd, HPMC kuj tseem tuaj yeem txhim kho qhov tawg tsis kam thiab khov ua ntawm cov tshuaj cug, tso cai rau kev tswj lub cev zoo nyob rau hauv cov huab cua zoo.
HPMC tseem muaj dav siv hauv Creamic Cera Ntse. Pob zeb yog ib qho kev xaiv tshwj xeeb siv rau cov vuas tsuag ceraming, uas yuav tsum tau ua haujlwm zoo thiab ua haujlwm tau ua haujlwm. Feem ntau ntawm HPMC hauv Ceramic Ceramas cement: txhim kho cov dej tuav cia, kom lub sijhawm qhib kev sib luag thiab cov khoom tsim kho ntawm cov txheej txheem kev tsim kho; Txhim kho qhov kev ua yuam kev los tiv thaiv kev ua tau zoo ntawm cov cement, tiv thaiv cov vuas ceramic los ntawm cov txheej txheem pasting; Txhim kho cov kev tawg tawm tsam ntawm cov cement thiab kom ntseeg tau tias lub sijhawm ntev ruaj khov ntawm cov vuas luaj ceramic tom qab pasting.
Ntxiv nrog rau xis mas cug thiab pobzeb zoo, daim ntawv thov ntawm HPMC hauv kev tsim kho Putty tsis tuaj yeem tsis quav ntsej. Kev Tsim Kho Putty yog cov khoom siv rau Phab ntsa leveling thiab kho, xav tau cov khoom tsim kho zoo thiab ua kom zoo. Lub luag haujlwm ntawm HPMC hauv Putty feem ntau yog txhim kho cov dej khaws cia ntawm lub putty thiab tiv thaiv shrinkage thiab tawg ntawm cov putty thaum ua kev tsim kho; Txhawm rau txhim kho lub zog uas muaj zog ntawm lub putty kom nws tuaj yeem ua raws kev ruaj khov rau hauv lub hauv paus hauv qab; thiab txhawm rau txhim kho kev tsim kho ntawm lub putty. Ua tau, ua kom yooj yim thov thiab du, txhim kho kev tsim kho thiab qhov zoo.
Daim ntawv thov ntawm HPMC nyob sab nrauv phab ntsa rwb thaiv tsev tshuab kuj tseem yog qhov tseem ceeb. Nyob rau sab nrauv phab ntsa rwb thaiv tsev tshuab, HPMC feem ntau yog siv hauv kev tshuaj khib thiab cug cug. Cov dej tuav tseg ntawm HPMC tuaj yeem ua kom pom tseeb tias cov txheej txheem kev txhim kho ntawm cov dej ua haujlwm, yog li ua kom muaj kev sib raug zoo ntawm kev ua haujlwm ntawm lub rooj sib tham ntawm pawg thawj coj thiab phab ntsa; Nyob rau tib lub sijhawm, HPMC kuj tseem tuaj yeem txhim kho cov thermal rwb thaiv tsev cov catch tawg thiab huab cua tsis kam ua nws tsawg dua rau kev tawg thiab kev laus thaum siv sijhawm ntev.
Daim ntawv thov ntawm HPMC hauv Gypsum-based cov ntaub ntawv kuj tseem tsim nyog tau hais txog. Gypsum-based cov ntaub ntawv tau siv dav nyob rau sab hauv phab ntsa kho kom zoo nkauj thiab theem theem, yuav tsum tau ua haujlwm zoo thiab ua haujlwm zoo. Lub luag haujlwm ntawm HPMC hauv Gypsum-based cov ntaub ntawv yog xav paub txog kev txhim kho cov dej tuav ntawm cov khoom siv thiab tiv thaiv shrinkage thiab tawg thaum lub sijhawm tsim kho; Txhim kho qhov sib txuas ntawm lub zog ntawm cov khoom kom nws tuaj yeem ua raws kev ruaj khov rau hauv lub hauv paus hauv qab; thiab txhim kho kev tsim kho ntawm cov khoom siv. Ua tau, ua kom nws yooj yim thov thiab du, txhim kho kev tsim kho thiab kho kom zoo nkauj.
HydroxyPropyyl methylcellulose muaj kev cia siab thov kev cia siab hauv kev tsim kho. Nws tseem txhim kho cov khoom siv lub cev thiab siv cuam tshuam ntawm cov ntaub ntawv los ntawm kev txhim kho cov dej khaws cia, kev sib koom tes zog thiab kev tsim kho cov khoom siv hauv tsev. Nrog kev txhim kho kev ua lag luam tu cov kev tsim kho tshiab thiab kev txhim kho txuas ntxiv rau cov ntaub ntawv ua haujlwm, daim ntawv thov ntawm hydroxypropylulose yuav dhau los thiab ua kom muaj txoj haujlwm dav ntxiv.
Lub Sijhawm Post: Feb-17-2025