tsebisa:
Hydroxypropylmethylcellulose (HPMC) ke motsoako o sebetsang ka bongata o sebelisoang haholo liindastering tse 'maloa ka lebaka la thepa ea eona e fapaneng ea molemo.Ke ntho e tsoang ho selulose, e fumanoang ka ho fetola lik'hemik'hale selulose ka propylene oxide le methyl chloride.HPMC e sebelisoa haholo indastering ea meriana, ea lijo, ea kaho le ea litlolo ka lebaka la thepa ea eona e ntle ea ho boloka metsi.Pampiri ena e fana ka tlhahlobo e tebileng ea ts'ebetso ea ho boloka metsi ea HPMC.
Ts'ebetso ea ho boloka metsi ea HPMC:
Thepa ea ho boloka metsi ea HPMC ke le leng la mabaka a bohlokoahali a ts'ebeliso ea eona e atileng liindastering tse 'maloa.HPMC e na le bokhoni bo phahameng ba ho boloka metsi ka lebaka la tlhaho ea eona ea hydrophilic.E monya metsi 'me e kokomoha ka makhetlo a' maloa boholo ba eona ba pele, e leng se etsang hore e be mokelikeli o babatsehang oa metsi.Thepa ea ho boloka metsi ea HPMC e ipapisitse le lintlha tse 'maloa tse kang tekanyo ea ho fetola, viscosity ea tharollo ea HPMC, le mofuta oa solvent e sebelisitsoeng.
Boemo ba ho fetola:
The degree of substitution (DS) ea HPMC ke ntlha ea bohlokoa e amang ts'ebetso ea eona ea ho boloka metsi.DS ea HPMC e bolela palo ea lihlopha tsa hydroxyl tse nketsoeng sebaka ke hydroxypropyl le lihlopha tsa methyl molek'huleng ea cellulose.HPMC e nang le tekanyo e phahameng ea ho fetola e na le matla a phahameng a ho boloka metsi ho feta HPMC e nang le tekanyo e tlaase ea ho fetola.DS e phahameng ea HPMC e eketsa hydrophilicity ea molek'hule, e leng se bakang ho boloka metsi ho betere.
Viscosity ea tharollo ea HPMC:
Viscosity ea tharollo ea HPMC ke ntlha e 'ngoe e amang ts'ebetso ea ho boloka metsi ea HPMC.Viscosity ea tharollo ea HPMC e eketseha ka keketseho ea khatello ea HPMC ka har'a solvent.Ka lebaka la boteng ba limolek'hule tse ngata tsa HPMC ka har'a solvent, ho phahama ha viscosity ea tharollo ea HPMC, ho ntlafatsa matla a ho boloka metsi.Litharollo tse phahameng tsa viscosity HPMC li theha sebopeho se kang gel se tšoasang limolek'hule tsa metsi le ho li thibela ho tsoa mouoane.
Mofuta oa Solvent o sebelisitsoeng:
Mofuta oa solvent o sebelisetsoang ho lokisa tharollo ea HPMC e ka boela ea ama thepa ea eona ea ho boloka metsi.HPMC e qhibiliha ka metsing le lihlapolli tse sa tšoaneng tsa tlhaho, tse kang joala, li-ester, le li-ketone.The solvent e sebelisoang ho lokisa tharollo ea HPMC e ka ama boitšoaro ba ho ruruha ha molek'hule.HPMC e ruruha haholo ka metsing mme e monya metsi a mangata ho feta HPMC ka har'a metsoako ea tlhaho.Ha ho bapisoa le litharollo tsa organic solvent, HPMC e na le thepa e ntle ea ho boloka metsi litharollong tse nang le metsi.
Tšebeliso ea HPMC liindastering tse fapaneng:
Ka lebaka la thepa ea eona e ntle ea ho boloka metsi, HPMC e sebelisoa haholo liindastering tse 'maloa tse kang tsa meriana, lijo, kaho le litlolo.
Indasteri ea meriana:
Ka indasteri ea meriana, HPMC e atisa ho sebelisoa e le sekontiri se tlamang, se senyang le se koahelang.E sebelisoa e le se tlamang ha ho etsoa letlapa ho tšoara metsoako hammoho.Joalo ka sehlaseli, HPMC e thusa ho pshatla letlapa hore e be likaroloana tse nyane ka mpeng, e leng ho ntlafatsang ho monya ha lithethefatsi.HPMC e sebelisoa e le ho roala ho sireletsa lithethefatsi ho tloha mongobo le ho laola ho lokolloa ha lithethefatsi.
indasteri ea lijo:
Ka indasteri ea lijo, HPMC e sebelisoa e le emulsifier, stabilizer le thickener.E sebelisetsoa ho etsa emulsify oli le lino tse thehiloeng metsing, ho tsitsisa lijo, le ho tiisa li-sauces le gravies.HPMC e boetse e sebelisoa e le setlolo ho eketsa bongata ba lijo.
Indasteri ea kaho:
Ka indasteri ea kaho, HPMC e sebelisoa hangata ho thepa e thehiloeng ho samente joalo ka seretse le konkreite.E sebelisoa e le sesebelisoa sa ho boloka metsi ho thibela ho fetoha mouoane ha metsi motsoakong oa samente.HPMC e ka boela ea ntlafatsa ho sebetsa ha motsoako oa samente le ho fokotsa ho phunyeha ha thepa.
Indasteri ea litlolo:
Indastering ea litlolo, HPMC e sebelisoa e le setenya, emulsifier le sehlahisoa sa maemo.E sebelisoa ho tiisa litlolo le litlolo, ho etsa oli le metsoako e thehiloeng metsing, le moriri oa boemo.
ha re phethela:
Qetellong, thepa ea ho boloka metsi ea HPMC ke e 'ngoe ea thepa ea eona ea bohlokoa le e molemo.HPMC e na le bokhoni bo phahameng ba ho boloka metsi ka lebaka la tlhaho ea eona ea hydrophilic, e e nolofalletsang ho monya le ho boloka metsi le ho a thibela ho fetoha mouoane.Tekanyo ea ho fetola, viscosity ea tharollo le mofuta oa solvent e sebelisoang ke lintlha tsa bohlokoa tse amang ts'ebetso ea ho boloka metsi ea HPMC.HPMC e sebelisoa haholo liindastering tse fapaneng tse kang tsa meriana, lijo, kaho le litlolo ka lebaka la thepa ea eona e ntle ea ho boloka metsi.
Nako ea poso: Jul-19-2023