HydroxyPropyyl methylcellulose (HPMC)Yog cov dej-soluble cov khoom siv polymer pass uas dav siv hauv kev tsim kho, tshuaj, khoom noj thiab tshuaj lom neeg kev lag luam. Nws cov dej ua haujlwm zoo ua kom nws ua lub luag haujlwm tseem ceeb hauv ntau daim ntawv thov kev lag luam.
HPMC yog qhov tsis-ionic cellulose ether tau los ntawm kev hloov tshuaj lom neeg ntawm cov khoom siv hauv ntuj xws li alkalization thiab etherical. Vim nws cov thickening zoo, zaj duab xis-ua, dej ceev thiab lubrication cov khoom, nws yog dav siv nyob rau hauv xissetical thiab lwm daim teb. Hauv cov ntaub ntawv hauv tsev, dej khaws cia ntawm Kimacell® ua tiav cov khoom lag luam zoo thiab ua tiav qhov tseem ceeb rau kev kawm nws cov dej khaws cia.
1. Molecular qauv thiab dej rov qab ua kom txuag HPMC
Lub cev pob txha pib ntawm HPMC yog cellulose, thiab nws hydroxyl feem yog hloov los ntawm hydroxypropyl thiab methyl, uas ua rau nws muaj dej so thiab dej ua kom zoo. Cov dej ua kom rov ua haujlwm HPMC tsuas yog koom nrog hauv qab no:
Hydrogen Tsevneeg: HPMC lwg me me muaj ntau pawg hydroxyl, uas tuaj yeem tsim cov roj av lwg, adsorb thiab khaws dej, yog li kev txhim kho lub peev xwm ua kom rov ua kom muaj peev xwm ua kom muaj peev xwm ua kom muaj peev xwm ua kom muaj peev xwm ua kom muaj peev xwm ua kom muaj peev xwm ua kom muaj peev xwm ua kom muaj peev xwm.
Kev daws cov nyhuv tuab: HPMC swells nyob rau hauv dej los ua lub siab-visculion daws, thiab txhim kho cov dej ntws dim ntawm lub system.
Gel nyhuv: HPMC kev daws teeb meem yuav yauv ua thermal gelation ntawm ib qho ntsuas kub kom tsim cov qauv network, uas pab kom khaws dej.
2. Qhov ua rau cuam tshuam rau cov dej ua haujlwm ntawm HPMC
Cov dej ua haujlwm ceev ceev ntawm HPMC cuam tshuam los ntawm ntau yam, suav nrog kev ua haujlwm hnyav, qib siab hloov chaw, kev daws teeb meem thiab sab nraud ib puag ncig.
Molecular hnyav: HPMC nrog lub cev hnyav dua molecular hnyav muaj qhov muaj zog ua kom muaj zog, yog li kev txhim kho kev ua kom qis dua dej, tab sis qeeb qeeb.
Qib ntawm hloov chaw: methoxy thiab hydroxypropno hloov cov qib Hydrodet kev kawm ntawm HPMC cuam tshuam nws cov dej solubility thiab dej khaws cia. Qib kawm kom tsim nyog ntawm kev hloov chaw pab txhim kho nws cov dej khaws cia.
Kev daws teeb meem: qhov ntau dua HPMC kev pom zoo, thiab ntau dua cov tshuaj viscosity, yog li kev txhim kho cov dej diffusion, yog li kev txhim kho cov dej ua kom ruaj khov.
Qhov tshwm sim ib puag ncig: cov xwm txheej sab nraud xws li kub thiab av noo muaj qhov cuam tshuam tseem ceeb rau HPMC. Kev kub siab ib puag ncig yuav ua kom muaj dej ntws nrawm, tab sis cov cua sov gel cov khoom ntawm HPMC tuaj yeem daws cov nyhuv no.
3. Dej khaws cia ntawm HPMC hauv cov xwm txheej sib txawv
Cov ntaub ntawv tsim tsev: hauv cov khoom xyaw xis thiab cov khoom siv gypsum, Kimacell® tuaj yeem tiv thaiv kom tsis txhob muaj kev ua haujlwm tau zoo, kom txo tau cov kab nrib pleb, txo lub zog.
Kws npaj tshuaj: hauv cov ntsiav tshuaj uas npaj tau, HPMC tuaj yeem siv ua cov khoom siv tawm-tso tawm los tswj tus nqi ntawm cov dej tso tawm thiab txhim kho kev nyab xeeb tshuaj.
Kev Lag Luam Khoom Noj Khoom Haus: HPMC yog siv los ua cov zaub mov qias thiab moisturizer txhim kho kom zoo thiab txuag khoom noj.
Nrog nws cov qauv tshuaj tshwj xeeb,HPMCMuaj ntau yam ntawm daim ntawv thov tus nqi nyob rau thaj teb ntawm kev tsim kho, tshuaj, thiab lwm yam Txhim kho nws cov dej kom ua tau zoo thiab nthuav nws cov ntawv thov ntau.
Lub Sijhawm Post: Feb-21-2025