HydroxyPropyyl methylcellulose (HPMC)yog cov dej-soluble cellulose derivative dav hauv kev npaj khoom siv, tshwj xeeb tshaj yog hauv kev npaj ua kua los ntawm qhov ncauj thiab cov kua ophthalmic. Raws li ib qho tseem ceeb kws tshuaj ntsuam, Kimacell® muaj ntau yam nplaum, HPMC tsis tuaj yeem txhim kho cov tshuaj uas tswj tau, yog li nws tau txais txoj haujlwm tseem ceeb hauv kev txhim kho kev npaj.
Cov khoom ntawm HPMC
HPMC yog dej-soluble lossis cov kuab tshuaj-soluble cellulose tau los ntawm kev hloov ib feem ntawm cov pab pawg hydroxules nrog methyl thiab hydroxypropropsyl pawg. Nws muaj kev ua solubility zoo thiab viscosity nyob rau hauv dej, thiab kev daws teeb meem yog pob tshab los yog me ntsis turbid. HPMC muaj kev ruaj khov zoo rau cov yam xws li ib puag ncig PH thiab kub hloov, yog li nws tau siv dav hauv kev siv tshuaj.
HPMC muaj qhov zoo biodegradity nyob rau hauv lub plab zom mov, zoo biocompatibility thiab tsis muaj txiaj ntsig, thiab nws cov kev npaj tsis haum, uas ua rau muaj kev sib raug zoo hauv kev npaj tshuaj.
Cov ntawv thov tseem ceeb ntawm HPMC hauv Kev Npaj Ua Lag Luam
Daim ntawv thov hauv kev tsim tawm-tso tawm
HPMC tau siv dav hauv kev tsim tawm-tso tawm, tshwj xeeb tshaj yog hauv qhov ncauj npaj. HPMC tuaj yeem tswj cov tshuaj tso tawm cov tshuaj los ntawm Gel network qauv nws cov ntawv. Hauv dej-soluble tshuaj, HPMC ua tus neeg sawv cev tawm-tso tawm tuaj yeem ncua sijhawm tso tshuaj, txo cov khoom noj khoom haus, thiab txhim kho cov neeg mob ua raws.
Daim ntawv thov txoj cai ntawm HPMC hauv kev npaj kom ruaj khov-tso tawm yog raws nws solubility thiab o cov khoom hauv dej. Thaum cov ntsiav tshuaj lossis cov tsiav tshuaj nkag mus rau hauv lub plab zom mov, HPMC tau nkag mus rau hauv kev sib cuag nrog dej, uas tuaj yeem ua cov txheej gel, uas tuaj yeem ua rau muaj kev sib cais qeeb thiab tso cov tshuaj qeeb. Cov tshuaj tso tawm tau tuaj yeem hloov kho raws li hom HPMC (xws li sib txawv degrees ntawm hydroxypropyl thiab methyl pawg) thiab nws cov kev xav.
Binders thiab Zaj Duab Xis-Ua Tus Ua Haujlwm
Hauv kev npaj khoom muag xws li cov ntsiav tshuaj, tsiav tshuaj, thiab grancc ua phau ntawv no tuaj yeem txhim kho lub hardness thiab kev ncaj ncees ntawm kev npaj. Txoj kev sib raug zoo ntawm HPMC hauv kev npaj siv tsis tau tsuas yog ua rau cov tshuaj yuav tsis tsuas yog ua rau ib leeg, tab sis kuj nce kev ruaj khov ntawm kev npaj thiab ua solubility hauv lub cev.
Raws li zaj duab xis-ua tus sawv cev, HPMC tuaj yeem tsim cov yeeb yaj kiab tsis zoo thiab feem ntau siv rau cov tshuaj kho yeeb tshuaj. Thaum lub sij hawm txheej txheej ntawm kev npaj, tus qauv Kimacell® tsis tuaj yeem tiv thaiv cov tshuaj los ntawm kev cuam tshuam ntawm cov tshuaj sab nraud, tab sis kuj tseem tswj hwm cov tshuaj tso tawm. Piv txwv li, nyob rau hauv kev npaj cov ntsiav tshuaj enteric-coated tuaj yeem tiv thaiv cov tshuaj los tiv thaiv cov tshuaj los ntawm kev raug tso tawm hauv plab thiab xyuas kom cov tshuaj tawm hauv txoj hnyuv.
Cov neeg sawv cev ntawm tus neeg sawv cev thiab tuab dua
HPMC tau siv dav hauv ophthalmic npaj thiab lwm yam kua npaj ua tus sawv cev txiv neej. Hauv cov tshuaj ophthalmic, HPMC tuaj yeem siv los ua cov nyom hauv cov kua muag cuav los txhim kho lub qhov muag thiab txo cov evaporation ntawm tus tee qhov muag. Tsis tas li ntawd, HPMC kuj muaj cov khoom siv thickenies muaj zog, uas tuaj yeem ua rau viscosity ntawm qee qhov kev xav tau, thiab haum rau thickening ntau yam kev npaj ua kua.
Hauv kev ua kua rau ntawm qhov ncauj, HPMC ua cov tuab tuaj yeem txhim kho kev ruaj ntseg ntawm kev npaj, tiv thaiv cov nag lossis daus, thiab txhim kho cov saj thiab tsos.
Stabilizer rau qhov ncauj npaj ua kua
HPMC tuaj yeem tsim cov tshuaj khov kho hauv kev npaj kua, yog li txhim kho qhov ruaj khov ntawm kev npaj. Nws tuaj yeem txhim kho cov tshuaj lom thiab cov yeeb tshuaj hauv kev npaj kua thiab tiv thaiv cov tshuaj muaj tshuaj txhuam thiab daus. Thaum npaj qee cov tshuaj yooj yim yooj yim thiab cov tshuaj lom zem, qhov sib ntxiv ntawm HPMC tuaj yeem ua tau zoo rau lub txee lub neej ntawm cov tshuaj.
Raws li ib tug emulsifier
HPMC kuj tseem siv tau los ua emulsifier los ruaj khov lub emulsion thiab tawg cov tshuaj thaum npaj cov tshuaj emulsion. Los ntawm kev tswj cov molecular hnyav thiab concentration ntawm HPMC, qhov ruaj ntseg ntawm cov emulsion tuaj yeem hloov kho kom nws haum rau cov qauv kev npaj tshuaj sib txawv.
Daim ntawv thov zoo ntawm HPMC
High biocompatibility thiab kev nyab xeeb: HPMC, raws li lub ntuj cellulose derivative, muaj cov tshuaj lom neeg zoo, yog vim li no haum rau kev siv tshuaj tso yeeb tshuaj.
Tso cov tshuaj tso tawm: HPMC tuaj yeem tswj tau cov tshuaj tso tawm los ntawm cov tshuaj, txo cov zaus ntawm kev tswj hwm, thiab txhim kho kev ua raws li kev ua raws.
Ntau yam ntawm cov ntawv thov:HPMCYuav siv tau ntau yam tshuaj noj ntau yam xws li cov ntsiav tshuaj, cov ntsiav tshuaj, granules, thiab npaj ua kua, tau raws li cov kev xav tau ntawm kev npaj tshuaj sib txawv.
HydroxyPropyyl methylulose muaj cov ntawv thov tseem ceeb tseem ceeb tus nqi hauv kev tso yeeb tshuaj. Nws tsis tuaj yeem siv los ua tus neeg sawv cev-tso tawm, cov nplaum, thiab cov yeeb yaj kiab-ua yeeb yaj kiab, tab sis kuj yog cov thickener thiab stabilizer nyob rau hauv kev npaj kua. Nws cov khoom siv lub cev thiab tshuaj lom neeg ua rau nws ib qho ntawm kev lag luam indispensable hauv kev txhim kho cov tshuaj ruaj khov thiab ntsuas tshuaj tso tawm yeeb tshuaj. Nrog kev nce qib nro ntawm cov khoom siv thev naus laus zis, daim ntawv thov kev cia siab ntawm Kimacell®
Lub Sijhawm Post: Jan-27-2025