HydroxyPropyl cellulose HPMC feem ntau muaj peb hom viscosity, hydmc Yiushi av nkos, diasom av nkos thiab cov khaub ncaws phab ntsa. Cov khoom muaj cov khoom siv kom zoo ua kom muaj cov nyhuv ua kom zoo, cov nyhuv ua kom zoo, ruaj khov zoo thiab tsim nyog tus nqi.
Hydroxypropyl methyl cellulose HPMC in the building materials industry has an extremely wide range of uses, a large amount of cellulose can be used as retarder, water retention agent, thickening agent and binder. Cellulose ua lub luag haujlwm tseem ceeb hauv kev sib xyaw ua ke, cov tshuaj tua hluav taws xob kom qhuav, cov khoom siv dej ntshiab, txhuam cov tshuaj ntxuav tes Lawv muaj cov nyhuv tseem ceeb rau kev ua haujlwm hauv dej, dej xav tau, kev ruaj khov, rov ua haujlwm thiab ua kom lub qhov txawv txav ntawm cov kab mob stucco. Cellulose hais tias muaj nyob hauv kev tsim kho ntawm kev tsim kho suav nrog HEC, HPMC, CMC, PAC, MHEC, thiab lwm yam.
Cov dej tsis-ionic-soluble cellulose ether yog ib qho muaj txiaj ntsig zoo rau cov khoom siv tsev vim tias nws cov khoom nplaum nplaum, dispersion ruaj khov thiab dej khaws cia muaj peev xwm. HPMC, MC lossis EHEC yog siv rau feem ntau caas puag lossis gypsum, colulsion sib tov, xis loj heev rau gypsum, ceramic catas cement thiab putty. HEC rau cov cement, tsis tsuas yog yog retarder, lossis dej tuav tus neeg saib xyuas, Hehpc kuj muaj qhov no. Cellulose ether feem ntau siv nyob rau hauv kev sib xyaw nrog gluconate hauv mortars raws li tus neeg siv hluav taws xob ntxiv. MC lossis HEC thiab CMC feem ntau siv raws li cov khoom seem ntawm cov ntawv ntsa. Nruab nrab viscosity lossis siab viscosity cellulos muaj kev hais ua ke yog ib txwm siv nyob rau hauv wallpaper cov ntaub ntawv nplaum tsev.
HydroxyPropyl methylcellose HPMC cov khoom lag luam sib xyaw ntau lub cev thiab tshuaj lom neeg, dhau los ua ntau yam khoom siv, ntau yam khoom muaj raws li nram no:
(1) Kev tuav dej: Nws tuaj yeem yog tus Caas lub rooj sablaj, cib thiab lwm yam chaw sib ntxig, tuaj yeem ua kom dej.
(2) zaj duab xis tsim: nws tuaj yeem tsim lub pob tshab, tawv thiab muag ua zaj duab xis nrog cov roj ua tsis tau zoo.
(3) solubycent: Cov khoom yog yaj nyob rau qee cov kuab tshuaj ethanol / dej, propanol / dej, dichloroethane thiab ob lub kuab tshuaj muaj li ntawm cov kuab tshuaj.
(4) thermal gelation: Thaum cov tshuaj aqueous ntawm cov khoom yog rhuab, thiab cov gel yuav tig mus rau hauv kev daws teeb meem dua tom qab txias.
(5) Cov kev ua si saum npoo av: Muab cov kev daws teeb meem hauv kev daws teeb meem, ua tiav qhov xav tau emulsification thiab kev tiv thaiv ntawm colloid, thiab theem ua kom ruaj khov.
(6) Kev Ncua: Hydroxypropal Methylropyl cellulose tuaj yeem tiv thaiv cov khoom siv nag me me, yog li tuaj yeem inhibit qhov tsim ntawm sediment.
(7) Kev Tiv Thaiv Kev Tiv Thaiv: tuaj yeem tiv thaiv cov tee dej thiab cov lus ntawm coalescence lossis hws.
(8) cohesiveness: siv ua phau ntawv rau cov pigments, luam yeeb cov khoom lag luam thiab cov ntawv luam, nrog cov haujlwm zoo.
(9) Dej Solubility: Cov khoom tuaj yeem tawm hauv cov dej hauv cov feem ntau sib txawv, thiab nws qhov siab tshaj plaws tsuas yog txwv tsis pub viscosity.
(10) Tsis-ionic inert: Cov khoom yog cov khoom tsis-ionic cellulose ether, uas tsis sib xyaw nrog cov kav hlau lossis lwm yam los ua cov dej nag.
(11) acid-puag kev ruaj khov: haum rau siv nyob rau hauv ph3.0-11.0 ntau.
(12) Tsuav thiab tsis muaj ntxhiab, tsis cuam tshuam los ntawm cov kev mob metabolic; Siv raws li cov ntxiv hauv cov zaub mov thiab tshuaj, lawv tsis yog metabolized hauv cov khoom noj thiab tsis muab calories.
Yog li ntawd, hydroxypropyl cellulose HPMC ua haujlwm tseem ceeb hauv kev tsim kho, cellulose yuav tau siv dav hauv kev tsim kho kev tsim kho. Zoo siab thiab tus nqi nyiam, kev pabcuam zoo dua yog peb cov cellulose thiab cov ntaub pua plag thiab cov ntaub pua tsev. Nyob rau yav tom ntej hnub ua raws li lub "Zoo ntawm kev muaj sia nyob, tshawb fawb thiab thev naus laus zis, rau kev tswj hwm rau kev ua haujlwm" kev ua lag luam ua lag luam. Peb hydroxypropyl cellulose, recispersible looj cov khoom noj kom muaj cov khoom lag luam zoo rau cov neeg siv khoom ntau.
Lub Sijhawm Post: Feb-19-2025