HydroxypropypropinyL methylcelllulose (HPMC) ke polymer e sa fetoheng ea polao e sa fetoheng ea indasteri e fapaneng, ho kenyelletsa merafo, lijo le litlolo. Thepa ea eona e ikhethang e etsa hore e be le bohlokoa haholo mekhahlelo e hlokang ho sebelisa litšoantšo, ho eketsa motlakase, ho hlasimolla le ho ntlafatsa matla. Ho utloisisa sebopeho, ts'ebetso ea ho etsa thepa, thepa le mesebetsi ea HPMC e bohlokoa bakeng sa ts'ebeliso ea eona e sebetsang.
1.MMPPIsition ea HPMC
HPMC ke polymer ea maiketsetso e tsoang cellulose, e etsahala polysaccharide e fumanehang ka marakong a lijalo tsa limela tsa limela tsa limela tsa limela tsa limela tsa limela tsa limela tsa limela tsa limela. Ts'ebetso ea tlhahiso e kenyelletsa ho thothomela le alkali ho hlahisa celkali ea alkali, e lateloang ke phallo ea seriti le methyl chloride. Phetoho ena ea 'mino oa sehlopha se hlahisoa ke mokhoa oa Hydroxypropity le mekhoa ea Methoxyl le Methoxyl.
Tekanyo ea sebaka (DS) ea hydropypropyl le lihlopha tsa mekhoa e khethang thepa ea HPMC, ho kenyeletsoa lencubity mofuta oa lifilimi. Ka tloaelo, limaraka tsa HPMC tse nang le boleng bo phahameng ba DS Pontšo li bontša semelo se eketsehang ka metsing le ho ntlafatsoa mehala.
2.Koproperties ea hpmc
Sello sa metsi: HPMC e qhibiliha ka metsing a batang, a theha tharollo e hlakileng, a lemoha. Khoele e ka tsamaisana ka ho fetola boemo ba sebaka, boima ba bilicalar le mocheso.
Sebopeho sa lifilimi: HPMC e ka theha lifilimi tse feto-fetohang le tse hlakileng ha li omella. Lifilimi tsena li na le thepa ea lits'itiso tse ntle, e etsang hore li lokele likopo tsa ho koata metseng ea meriana le indasteri ea lijo.
Phetoho ea liketsahalo tsa pono: HPMC e bonts'a boitšoaro ba pseudopro, moo pono ea eona e fokotsehileng ka tekanyo e ntseng e eketseha. Thepa ena e sebelisoa ka mekhoa e fapaneng ho laola boitšoaro ba phallo ea phallo ea phallo ea phallo ea phallo ea phallo ea phallo ea phallo ea phallo ea phallo ea phallo ea phallo ea phallo ea phallo ea phallo ea phallo ea phallo ea phallo ea phallo ea phallo ea phallo ea phallo ea phallo ea phallo ea phallo ea phallo ea phallo ea phallo ea phallo ea phalle
HPMP ea futhumatsang: HPMC e bonts'a botsitso holim'a sebaka se pharaletseng, ho etsa hore ho be loketse likopo tse hlokang mocheso mocheso o tiisitsoeng.
HPMERTY · Circtions: HPMC ke kamanong ea lik'hemik'hale, e lumellana le mefuta e mengata ea litlatsetso, e lumellanang le metsoako e mengata ea litlatsetso, e lumellanang le metsoako e mengata ea meriti.
3.Synthesis ea HPMC
Synthes of Hpmc e kenyelletsa mehato e mengata:
Phekolo ea Alkali: Cellulose e phekoloa ka Alkali, e kang Sodium hydroxide, ho hlahisa celbali cellulose ea alkali.
Etherization: Celli Cellulose o arabela le oxide ea ho tsebisa lihlopha tsa hydroxypropyl ho sehlopha sa mokokotlo oa selefouno.
Methylation: Cleroulosed Celluloulo e Ntle le Methyl Chruloide ho hlahisa Methoxy, Ho fana ka HPMC.
Ho hloekisoa: HPMC e hlahisitsoeng e hloekisoa ho tlosa lihlahisoa le litšila, e netefatsa boleng ba sehlahisoa le botsitso.
4.LeBoLictions of Hpmc
Liipori tsa pharmacecticalical: HPMC e sebelisoa haholo joaloka meriana ea meriana, moo e sebeletsang e le chelete, ho senyeha, ho senyeha, ho senyeha, ho senyeha, ho senyeha, ho soma le ho lokolloa ha taolo. E boetse e sebelisoa ho litharollo tsa mahlo, lisele tsa litlolo tsa sehlooho, le lisetlepo tsa molomo ka lebaka la ho bihiloeng le thepa ea mucadeative.
Indasteri ea lijo: Ka indasteri ea lijo, HPMC e sebetsa joaloka boloi, le hlobola lihlahisoa tse fapaneng, ho kenyelletsa le liso, liaparo le mefuta e meng ea lebese. E sebelisoa hape ka gluteen-Free e sa lefelloeng e le mokhoa oa ho fana ka moemeli le mongobo oa mongobo.
Indasteri ea kaho: HpMC ke eona e eketsang litšobotsi tsa bohlokoa tsa thibelo, likotola tse thehiloeng sa meeli, le lidolara tsa taile. Ho ntlafatsa bokhoni, ho boloka metsing le ho tšoarella, ho kenya letsoho ts'ebetsong ka kakaretso le ho tšoarella ha thepa ea kaho.
Lihlahisoa tsa tlhokomelo: HPMC e kenyellelitsoe ho litlolo, lihlahisoa tsa moriri le mekhoa ea moriri bakeng sa thepa ea eona ea lifilimi, e matlafatsang le e lumellang thepa. E fana ka sebopeho se lakatsehang, botsitso le litšobotsi tsa kutlo ho rorisa, litlolo le gels.
Hooa le ho paka: Ho tsamaisoa ka mokhoa o thehiloeng ho li-PPMCC ho ntlafatsa tatso ea maske, tatso ea maske, le ho fana ka ts'ireletso ea mongobo. Lifilimi tsa HPMC li boetse li sebelisoa ka har'a pokello ea lijo e le likokoana-hloko tse jeoang kapa litšitiso khahlanong le mongobo le oksijene.
HydropxypropypropinyL methylcelllulose (HPMC) ke polymer ea nang le malinyane a nang le lits'ebeletso tse fapaneng ka liiesters. Motsoako oa eona o ikhethang oa thepa, ho kopanyelletsa le alloubility, sebopeho sa filimi, ho hlokolosi ha ho khethoa, lijo le lihlahisoa tsa motho ka mong. Ho utloisisa sebopeho, thepa, thepa le lits'ebeliso tsa HPMC li le bohlokoa bakeng sa litlhare le baetsi ba HPMC bo le bohlokoa bakeng sa litlhare le baetsi ba eona ba batlang melemo ea eona ntlafatsong ea sehlahisoa le ntlafatso.
Bohlokoa ba HPMC bo batsie, ts'ebetso ea bona, le tlatsetso ea lihlahisoa, botsitso ba lihlahisoa tsa bohlokoa ho mekhahlelo le likopo tsa sejoale-joale.
Poso: Feb-29-2024