HydroxyPropyyl Metylcellulose (HPMC) yog ib qho kev tsim muaj ntau yam xws li Holmc ua rau HPMC ua rau nws xaiv qhov zoo tshaj plaws rau ntau daim ntawv thov.
1. Zoo adhesion zoo heev
HPMC muaj cov khoom zoo zoo, uas ua rau nws dav siv nyob rau hauv kev sib xyaw ntawm cov sib xyaw ua ke, thiab lwm yam tuaj yeem txhim kho lub neej ntawm lub tsev.
2. Zoo thickening thiab emulsifying zog
HPMC yog qhov zoo tshaj plev thiab emulsifier uas tuaj yeem nce viscosity thiab ruaj khov ntawm cov kua. Hauv kev lag luam khoom noj khoom haus, HPMC yog siv los ua cov tuab ua cov khoom lag luam xws li kua zaub thiab kua kua zoo dua. Nyob rau tib lub sijhawm, hauv cov tshuaj pleev ib ce thiab cov khoom siv saib xyuas tus kheej, HPMC kuj feem ntau siv los txhim kho cov qauv thiab kev ruaj ntseg ntawm cov mis.
3. Solubility thiab Film-Forming Khoom
HPMC tuaj yeem yaj sai nyob rau hauv dej txias kom tsim ib qho kev sib txuam sib xyaw. Cov cuab yeej no ua rau nws siv dav hauv kev lag luam kws tshuaj, piv txwv li, ua yeeb yaj kiab yeeb tshuaj thiab kev tswj hwm tus neeg sawv cev thiab txhim kho bioavailability.
4. Biocompatibility
HPMC yog cov khoom tsis muaj tshuaj lom nrog cov khoom siv zoo nrog cov tawv nqaij thiab cov kab mob muaj sia, yog li nws feem ntau siv hauv kev npaj tshuaj, khoom siv khomob thiab cov tshuaj pleev ib ce thiab cov tshuaj pleev ib ce. Nws biocompatibility txo qhov kev pheej hmoo ntawm kev tsis haum tshuaj thiab cov kev mob tshwm sim thiab txhim kho kev nyab xeeb ntawm cov khoom.
5. Cov dej tsis muaj dej thiab dej-khaws cov khoom
HPMC muaj cov dej pleev cov dej zoo thiab cov dej ua ke. Hauv cov ntaub ntawv hauv tsev, ntxiv HPMC tuaj yeem txhim kho kev qaug dej ntawm cov dej sib tov, txo txoj hlab pa dej, thiab pab txhim kho cov txheej txheem kom qhuav. Nyob rau tib lub sijhawm, hauv thaj chaw ua liaj ua teb, HPMC kuj tseem tuaj yeem siv ua av txias kom pab cov av khaws cov dej noo thiab txhim kho kev ruaj ntseg ntawm cov nroj tsuag kev loj hlob.
6. Kho viscosity
Los ntawm kev kho cov kev xav ntawm HPMC, lub viscosity ntawm cov kua tuaj yeem hloov kho nws rau kev thov sib txawv. Hauv kev lag luam xws li txheej ci, cov nplaum thiab tshuaj ntxuav tes, lub piscosity kev hloov kho muaj nuj nqi ntawm HPMC yog qhov tseem ceeb heev thiab tuaj yeem ua tiav kev siv zoo tshaj plaws.
7. Cov tsis muaj tshuaj lom thiab ua phooj ywg ib puag ncig
HPMC yog cov tshuaj ntsuab uas tau raws li kev tiv thaiv ib puag ncig niaj hnub no. Nws cov tsis muaj tshuaj lom thiab biodegradity thaum siv ua nws cov khoom nyiam rau kev txhim kho kom ruaj khov. Nrog kev txhim kho ntawm kev paub txog ib puag ncig, ntau dua thiab ntau yam kev lag luam tau pib mloog thiab txais HPMC.
8. Txhim Kho Kom Zoo thiab Txheej Txheem
Hauv cov khoom hmoov, HPMC tuaj yeem txhim kho fluidity, ua rau nws smoother thaum tsim khoom thiab ntim khoom. Hauv kev npaj tshuaj, HPMC tuaj yeem siv los ua phau ntawv rau cov hmoov kom qhuav los txhim kho cov txheej txheem thiab kev ruaj khov ntawm kev npaj.
9. Muaj zog yoog tau
HPMC tau dav siv thiab haum rau ntau yam qauv thiab cov txheej txheem. Txawm hais tias nyob rau hauv kev tsim kho, chaw muag tshuaj lossis khoom noj khoom haus, HPMC tuaj yeem hloov kho raws li cov kev xav tau thiab qhia tau zoo yoog.
10. Txhim kho cov khoom lag luam zoo
Los ntawm kev ntxiv HPMC, kev ua tau zoo thiab kev ua tau zoo ntawm ntau cov khoom tuaj yeem txhim kho kom zoo dua. Piv txwv li, hauv kev lag luam kev lag luam, HPMC tuaj yeem txhim kho qhov ruaj khov thiab tso cov tshuaj; Hauv cov ntaub ntawv hauv tsev, nws tuaj yeem txhim kho lub zog compressive lub zog thiab dej tsis kam, yog li kev txhim kho cov khoom lag luam tag nrho.
HydroxyPropY methylcellose (HPMC) yog cov tshuaj ntau ntau yam uas tau siv dav hauv ntau daim teb vim nws cov nplaum zoo, thickening, solubility thiab biocompatibility. Nrog kev nce qib ntawm kev siv thev naus laus zis thiab cov npe nrov ntawm ib puag ncig cov ntsiab lus, cov kev thov kev cia siab thiab nws yuav muaj tseeb ua lub luag haujlwm zoo dua yav tom ntej kev lag luam thiab lub neej.
Lub Sijhawm Post: Oct-16-2024