HydroxyPropyyl methylcellueculose (HPMC) tsis yog cov yas ua kom muaj kev nkag siab. Nws yog lub cellule derivative feem ntau siv nyob rau hauv cov khoom siv, tsim kho thiab kev lag luam ntawm kev saib xyuas tus kheej. Thaum nws tsis ua zoo li cov yas tshuab siv nyob rau hauv cov polymers, nws pom qee yam khoom uas tuaj yeem sib tw ntawm kev pleev cov ntawv thov.
Txhawm rau tshawb cov ncauj lus HPMC thiab nws lub luag haujlwm hauv ntau yam kev lag luam, peb tuaj yeem delal rau nws cov khoom siv tshuaj lom neeg, siv thiab muaj peev xwm ua tau zoo. Ib qho kev nkag siab HPMC yuav muab kev pom txog HPMC yuav muab kev nkag siab rau nws cov ntawv thov sib txawv thiab vim li cas nws thiaj li yog muaj cov khoom muaj nqis hauv ntau daim ntawv.
Tshuaj lom neeg cov qauv thiab cov khoom ntawm HPMC
Tus qauv tshuaj:
HPMC yog ib nrab hluavtaws polymer muab tau los ntawm cellulose, lub ntuj muaj zog pom hauv tsob ntoo cell. Hydroxypropyl thiab methyl pawg raug qhia los ntawm kev hloov kho tshuaj lom neeg. Qhov kev hloov kho no hloov lub cev nqaij daim tawv thiab tshuaj ntawm cellulose, ua rau muaj cov sib xyaw nrog kev txhim kho kev ua haujlwm.
Cov yam ntxwv:
Hydrophilic: HPMC yog dej-soluble thiab hygroscopic, ua rau nws tsim nyog rau ntau yam qauv uas yuav tsum tau tso dej ua kom muaj kev tso tawm.
Zaj duab xis: Nws muaj zaj duab xis-ua yeeb yaj kiab uas tsim zaj duab xis tiv thaiv thaum thov kom muaj txiaj ntsig zoo hauv cov tshuaj pleev xim thiab cov ntaub ntawv tsim kho.
Tus neeg saib xyuas tuab: HPMC feem ntau siv los ua tus neeg sawv cev tuab hauv cov kev daws teeb meem aqueous. Nws viscosity nce nrog kev pom zoo, tso cai tswj hwm qhov sib txawv ntawm cov kua formulations.
Qhov kub thiab txias rhiab: Qee qib HPMC yog qhov thim rov qab, lub ntsiab lus lawv tuaj yeem yub hloov pauv theem nrog hloov pauv qhov kub.
Siv HPMC hauv kev lag luam sib txawv
1. Kev lag luam:
Ntsiav tshuaj Kho txheej: HPMC feem ntau siv ua cov khoom siv txheej rau cov ntsiav tshuaj hauv kev lag luam kws tshuaj. Nws muab cov txheej tiv thaiv, tswj cov tshuaj tso tawm, thiab kho cov ntsiav tshuaj tsos.
Cov kev daws teeb meem ophathalmic: hauv kev daws teeb meem ntawm qhov muag thiab cov kev daws teeb meem ophthalmic, HPMC tuaj yeem txhim kho Viscorosity thiab txhim kho lub sijhawm kom rov muaj lub sijhawm ntawm qhov chaw ntawm Ocular.
2. Kev lag luam khoom noj:
Tus neeg saib xyuas tuab: HPMC yog siv los ua cov neeg sawv cev tuab ntawm ntau yam khoom noj, suav nrog cov kua ntses, kua zaub thiab cov khoom noj siv mis.
Emulsifier: Hauv qee daim ntawv thov cov khoom noj, HPMC tuaj yeem ua raws li emulsifier, txhim kho kev ruaj ntseg ntawm emulsion.
3. Kev lag luam kev tsim kho:
Cov nplaum nplaum: Ntxiv ntawm HPMC rau Pobzeb Cov nplaum txuas ntxiv txhim kho cov haujlwm ua haujlwm, kev ua haujlwm kom muaj zog thiab sib txuas zog.
Mortars thiab plasters: Siv rau hauv cov khoom siv tsim khoom xws li Mortars thiab Plasters los txhim kho adhesion thiab ua haujlwm.
4. Cov Khoom Siv Saib Xyuas Tus Kheej:
Cov ntsiab lus tsim qauv: hauv cream, tshuaj thiab lwm cov ntsiab lus, HPMC pab txhim kho kev ntxhib los mos, kev ruaj ntseg thiab tawv nqaij ntawm cov khoom.
Cov Khoom Kho Plaub Plaub Hau: HPMC pom nyob hauv qee cov khoom tu plaub hau vim nws cov yeeb yaj kiab ua yeeb yaj kiab thiab cov Ntxhia.
Qhov zoo thiab qhov tsis zoo ntawm HPMC
Hom tau zoo:
Biocompatibility: HPMC yog feem ntau suav hais tias muaj kev nyab xeeb rau tib neeg kev noj haus thiab tau siv dav hauv cov ntaub ntawv thov khoom noj thiab khoom noj.
Versatility: Nws muaj ntau yam khoom thiab haum rau ntau yam kev lag luam thiab cov qauv.
Dej khaws cia: Lub Hydrophilic Xwm ntawm Hydmc AIDS hauv dej khaws cia, uas tuaj yeem muaj txiaj ntsig hauv qee cov ntawv thov.
LANCOMING:
Tus nqi: HPMC tuaj yeem kim tau piv rau qee qhov ntxiv ntxiv.
Qhov kub thiab txias rhiab: Vim yog cov qib HPMC, qee cov qauv yuav cuam tshuam los ntawm qhov kub hloov.
Hauv kev xaus
Txawm hais tias HPMC tsis yog plasterizer nyob rau hauv ib txwm muaj, nws cov khoom tshwj xeeb ua rau nws muaj txiaj ntsig zoo hauv ntau kev lag luam. Nws qhia tau tias nws cov versatility ua ib zaj duab xis yav tas los, thickener thiab dej khaws cia tus neeg sawv cev hauv cov tshuaj, kev siv khoom noj thiab kev saib xyuas tus kheej. Nkag siab txog cov qauv tshuaj lom neeg, thiab cov ntawv thov ntawm HPMC yog qhov tseem ceeb rau cov kws sau thiab cov kws tshawb nrhiav nrhiav kev xav tau zoo. Qhov zoo ntawm biocompatibilibility thiab versatility outweigh lub peev xwm qhov tsis zoo, ua HPMC ib qho kev xaiv nrov hauv ntau qhov kev lag luam.
Lub Sijhawm Post: Dec-14-2023