HydroxypropitypropiypropinyLulose (HPMC) ke polyter ea metsi e qholotsang metsi e sebelisoa haholo indastering ea metsi e fapaneng e kang bongaka, lijo, litlolo le kaho. HPMC e tsebahala ka thepa ea eona e ntle ea metsi, e e etsang ka kopo e loketseng likolong tse ngata. Sehloohong sena, re hlahloba lintlha tse amang metsi a ho boloka metsi ho HPMC le kamoo a ka ntlafatsa lintho tsena ho ntlafatsa katleho ea tsona.
1. Boima ba Molek'hule
Boima ba limompecular tsa HPMC bo bapala karolo ea bohlokoa molemong oa metsi a ona a ho robala metsi. Ha boima ba limok'hule tsa moleng, boholo ba moea o moholo oa metsi. Sena ke hobane se-npmc se phahameng sa molek'hule hpmc se na le pono e phahameng, e e nolofalletsang ho theha filimi e kholo e holim 'a substrate, ka ho etsa joalo e fokotsa tahlehelo ea metsi. Ka hona, bakeng sa lits'ebeliso moo polokeho ea metsi e nyatsang, ho khothatsoa hpmc e phahameng.
2. Degree degree
Degree of All off Ha ea Phahameng DS, matla a ho boloka metsi a mangata. Lebaka ke hobane li-hydropypropyl le lihlopha tsa methyl li eketsa tharollo ea HPMC ka metsing le ho ntlafatsa bokhoni ba eona bo ka fumanang limolek'hule tsa metsi. Ka hona, bakeng sa lits'ebetso moo ho boloka metsi ke ntho ea ho boloka metsi ke ntho ea bohlokoa, HPMC e khothalletsoang ke sebaka se phahameng.
3. Mocheso le mongobo
Mocheso le mongobo ke lintlha tsa bohlokoa tse amang ho bolokoa ka metsing bakeng sa HPMC. Mocheso o phahameng le mongobo o tlase o tla etsa hore metsi a finyele ka filimi ea HPMC a ho feto-fetoha kapele, ho fella ka ho boloka metsi a sa feleng. Ka hona, ho khothalletsoa ho boloka HPMC sebakeng se pholileng le se omileng ho boloka thepa ea metsi a bolokang metsi.
4. Boleng ba PH
PH ea substrate e boetse e bapala karolo ea bohlokoa molemong oa HPMC. HPMC e sebetsa haholo ho se nke lehlakore ho ea ho tikoloho e nyane ea acidic. Ha PH ea Matrix e phahame, lillo tsa HPMC li kanna tsa fokotsoa 'me phello ea ho boloka metsi e tla fokotsoa. Ka hona, ho khothalletsoa ho leka pH ea katsebe ebe u e fetola hore e be le nako e nepahetseng ea ho boloka metsi a nepahetseng ka metsing.
5. Control
Khatello ea HPMC e boetse e ama thepa ea eona ea metsi. Ka kakaretso, khatello e phahameng ea HPMC, e boloka metsi hantle. Leha ho le joalo, maemong a phahameng haholo, ke pono ea HPMC e ka etsang hore ho be thata haholo, e etsa hore ho be thata ho e sebelisa le ho ata haholo ka substrate. Ka hona, ho khothalletsoa ho leka mahlomoleng a matle a HPMC bakeng sa ts'ebeliso e 'ngoe le e' ngoe e ikhethang bakeng sa ho fihlela polokelo e ntle ea metsi.
Qetellong, HPMC e fetohile thepa ea bohlokoa ka lebaka la thepa ea eona e ntle ea metsi mme e phetha karolo ea indastering ea bohlokoa. The Ka ho utloisisa lintlha tsena, re ka etsa bonnete ba hore HPMC li fihla ho bokhoni ba tsona bo felletseng, li thusa ho theha lihlahisoa tsa bona tsa metsi.
Nako ea poso: Jul-04-2023