Hauv cov tshuaj cap sib xyaw ua ke, qhov sib xyaw ntawm hydroxypropyl cellulose uas cuam tshuam heev, tab sis nws tuaj yeem txhim kho qhov kev tsim kho ntawm cug. Cov kev xaiv tsim nyog ntawm cellulose tsim muaj ntau yam, sib txawv viscosities, qhov sib txawv ntawm cov kev txhim kho qib kev ua haujlwm ntawm cov tshuaj khib. Tam sim no muaj ntau masonry thiab plastering mortars muaj cov khoom tsis zoo, thiab dej slurry yuav cais tom qab ob peb feeb ntawm sawv ntsug. Dej khaws cia yog ib qho tseem ceeb ntawm methyl cellulose ether, thiab nws kuj yog ib qho cuab yeej uas muaj ntau yam nyob hauv cov chaw kub. Qhov cuam tshuam uas cuam tshuam cov nyhuv kom qhuav ntawm cov tshuaj khib qhuav xws li MC, lub viscose ntawm cov hais thiab qhov kub ntawm kev siv ib puag ncig. Cellulose ether yog cov khoom siv hluav taws xob siab molecular tau los ntawm kev hloov tshuaj lom neeg ntawm cov khoom siv raw.
Lub luag haujlwm tseem ceeb ntawm cov dej-soluble cellulose ether hauv cap Cov dej khaws cov nyhuv khaws cia ntawm cellulose cuam tshuam ntawm cov dej cug, cov khoom siv ntawm lub tshuaj khib, thiab lub sijhawm teeb tsa cov khoom siv coagulating. Cov dej khaws cia ntawm cellulose ether nws tus kheej los ntawm solubility thiab lub cev qhuav dej ether nws tus kheej.
Hauv kev npaj-sib xyaw txau tshuaj khib, hydroxypropyl cellulose lub luag haujlwm ntawm dej cia, thicking, ncua kev txhim kho kev ua haujlwm. Cov dej ua kom zoo ua rau muaj dej xis ua tiav, uas tuaj yeem txhim kho qhov ntub dej ntawm lub zog cug, thiab tuaj yeem kho lub sijhawm. Qhov sib ntxiv ntawm hydroxypropyl cellulose cellulose ether rau cov tshuaj tsuag tshuaj tsuag lossis cov kua ua haujlwm ntawm lub tshuaj khib, nrog rau lub zog txheej txheem. Yog li ntawd, cellulose ether tau raug siv dav ua qhov tseem ceeb ntxiv nyob rau hauv npaj-mixed.
Lub Sijhawm Post: Feb-20-2025