HPMC (hydroxypropyl methylcellulose) is a commonly used polymer used in the preparation of pharmaceutical tablets, eye drops and other products. Nako ea eona ea ho felisoa hoa ho latela lintlha tse 'maloa, ho kenyelletsa boima ba limolek'hang, mocheso oa tharollo, mocheso oa tharollo, ho sisinyeha ho matlafatsang le ho tsepamisa maikutlo.
1. Boima bo boholo le degree ea sebaka
Boikutlo ba limolek'hule le degree ea sebaka (ke hore, thepa ea mekhoa le hydroxyproppyl content) ea HPMC e tla ama linyeoe tsa eona. Ka kakaretso, thetso e kholo ea limok'hule, nako e telele e hloka ho qhibiliha. Li-vscosity tsa Visiss tsa ViscoSc
2. Mocheso oa tharollo
Mocheso oa tharollo o na le tšusumetso e kholo sekhahla sa discoollotion sa HPMC. Maemo a phahameng a mocheso hangata a potlakisa ts'ebetso ea dissulotion, empa mocheso o phahameng haholo o ka baka litšila tsa HPM. Pefo e khothalletsoang ho felisoa ka kakaretso e pakeng tsa 20 ° C, 'me khetho e ikhethang e itšetlehile ka litšobotsi tsa HPM le sepheo sa ts'ebeliso.
3. Lebelo le matlafatsang
Ho hlohlelletsa ho ka ntšetsa pele ho felisoa ha hpmc. Ho susumetsoa ka nepo ho ka thibela karohano le pula ea HPMC 'me e etse hore e behe ka thata ka tharollo. Khetho ea lebelo le matla le lokela ho fetoloa ho latela lisebelisoa tse ikhethileng le litšobotsi tsa HPMC. Liphetho tse khotsofatsang li ka fihlella ka ho hlohlelletsa metsotso e 2040.
4. Tharollo ea Tharollo
Khatello ea HPMC le eona ke ntho ea bohlokoa ea ho khetha nako ea sona ea ho qhala. Ha a ntse a tsepamisa mohopolo, nako e telele nako ea dissulotion hangata e teng. Bakeng sa mahloriso a tlase (<2% w / w) Tharollo ea HpMC, Nako ea ho felisoa e kanna ea khutsufatsoa,
5. Khetho ea Solvent
Ntle le metsi, HPMC e ka boela ea qhibiliha li-solvent tse ling tse kang Ethano le Ethylene. Polaity le banclubility ea li-solvelts tse fapaneng li tla ama sekhahla sa disfol sa HPMC le litšobotsi tsa tharollo ea ho qetela.
6. Mekhoa e sa sebetseng hantle
Mekhoa e meng ea ho qala, e kang HPMC e mo kolota hape kapa ho sebelisa metsi a chesang, a ka thusa ho potlakisa ts'ebetso ea eona ea ho qhalana. Ntle le moo, tšebeliso ea ho felisoa ha ho felisoa tse kang li-ntaramane tse ka ho ntlafatsa le ho ntlafatsa tšebetso ea ho felisoa.
Nako ea ho qhalana ha HPMC e angoa ke lintlha tse ngata. Ka hona, lits'ebetso tse sebetsang, maemo a khefulose a lokela ho fetoloa ho latela litlhoko tse ikhethileng tsa tšebeliso le litšobotsi tsa HPMC. Ka tloaelo, nako ea hlokahala bakeng sa HPMC ho qhala tlasa maemo a loketseng ho tloha metsotso e 30 ho isa ho lihora tse 30 ho isa ho lihora tse 30 ho isa ho lihora tse 30. Bakeng sa lihlahisoa tse ikhethang tsa HPMC le Dictionals, ho khothalletsoa ho bolela maemo a sehlahisoa kapa boits'oaro ba liteko ho bona hore na liteko tsa ho lahla lintho tse sa phethoang hantle le nako.
Poso: Hlakubele-17-2025