Hydropxypropitypropiyprokhullose (HPMC) ke polymer e sa fetoheng ea polyer e sebelisoang haholo indasteri e fapaneng ka lebaka la thepa ea eona e ikhethang. Kotsi ena ke tšenyo ea cellulose, polymer ea tlhaho e fumanehang marakong a lily. Syntthesis ea HPMC e kenyelletsa ho etsa Cellulose e nang le Oxide ea Mydelone ea ho hlahisa lihlopha le methyl chloride ea methyl ho hlahisa lihlopha tsa methyl. Polymer e hlahisa thepa e fapaneng ea 'mele le ea lik'hemik'hale, e etsa hore e be e loketseng ho sebelisoa phamari, e leng lijo le indasteri le indasteri le indasteri le indasteri le indasteri le indasteri le indasteri le indasteri le indasteri le indasteri le indasteri le indasteri le indasteri le indasteri le indasteri le indasteri le indasteri le indasteri.
1.Cherical sebopeho le sebopeho:
Hydroxypropypropyproping methylcelulose ke polymer ea maiketsetso e nang le sebopeho se rarahaneng sa lik'hemik'hale. Mokokotlo oa Polymer ona o na le celtlese, ketane ea mehala ea glucose ea lilingoana e hokahantsoeng ke maq--m-1,4-glycosidic litlamo. Sehlopha sa hydroxypropyl se hlahisoa ka ho nkela sehlopha sa hydroxyl (- -oh) ka sehlopha sa profeshene, 'me sehlopha sa methapo e hlahisoa ka tsela e tšoanang. Tekanyo ea sebaka (DS) e emela palo ea cydroxypropyl le lihlopha tsa methyl le tsona li ama sethunya, se shebahalang, se utloang se futhumatsang.
2. Scobility:
E 'ngoe ea likarolo tse ikhethang tsa HPMC ke boitšoaro ba eona ba ho felisoa. E qhibiliha metsing a batang le a chesang, ho fana ka melemo e ikhethang lits'ebetsong tse fapaneng. SELLE e ka fetoloa ka ho fetola boholo ba boima ba polymer. Sebaka sena se etsa HPMC e ntle haholo bakeng sa lits'ebetso tsa phepelo ea lithethefatsi tse laoloang - moo palo ea lefutso e nkang karolo ea bohlokoa lihlopheng tsa lithethefatsi tsa lipalesa.
3. Viscosity:
HydroxypropypropinproppyLulose maemo a fapaneng a mefuta ea liketsahalo, ho latela lintlha tse kang boima ba moleng, le tharollo ea lijalo. Litaba tsa Tharollo ea HPMC li li lumella ho sebelisoa lits'ebetsong tse ngata tsa indasteri, ho kenyelletsa meralo, joalo ka li-thickerels liforomo tsa li-cosage tsa metsi tsa metsi.
4. Ts'ebetso ea ho etsa lifilimi:
Tsebo ea lifilimi ea HPMC e nyatsa likopo tse kang lipuisano tsa lithethefatsi, moo e sebelisoang ho fana ka seka sa ho fana ka sekala sa lithethefatsi, moo ho sebelisoang lithethefatsi tatso ea lithethefatsi, u laole lithethefatsi le ho ntlafatsa botsitso. Lifilimi tsa HPMC li hlakile ebile li fetoha le maemo, 'me thepa ea bona e ka tsamaisana ke ho fetola polymer le boima ba molemi.
5. Ts'ebetso ea Mocheso:
Hydroxypropypropity Methylcelubulose e bonts'a botsitso ba futhumatsang ba futhumatsang mochesong kahare ho mocheso o itseng. Melemo ea mocheso e angoa ke mabaka a kang ho nkeloa boima ba 3, boima ba bomo -seli le ho ba teng ha mefutla ea lisele. Maeto ana a etsa hore HPMC e loketsoe likopo moo ho tsitsang hoa lihlahisoa tsa mollo.
6. Bicondomatiction:
Masimong a pharmaconetical le a biomedical, ho nahanisisa ka li-binondomatic ho bohlokoa bakeng sa thepa e sebelisitsoeng lits'ebetsong tsa lithethefatsi. HydroxypropypropinyL methylceLulose ka kakaretso e nkoa e sireletsehile ebile e na le biocondomatic e ntle. E sebelisoa haholo ho sebopeho sa mefuta ea li-dosage tsa molomo, tharollo ea ophthalmic le lits'ebetso tse laoloang-toba tse laoloang.
7. Melemo ea ho Boloka Metsi le Matlafatso ea Khano:
Tsebo ea HPMC ea ho boloka metsi le tharollo e tliseng e etsa hore e be e bohlokoa ka lisebelisoa tsa kaho tse kang lihlahisoa tse thehiloeng ho banka. Likopo tsena, HPMC e sebetsa joalo ka metsi a bolokang agente, a ntlafatsa ts'ebetso le ho thibela pele ho eona ho omisa pele ho eona. Melemo e mene e boetse e sebelisoa lihlahisoa tse fapaneng tsa lijo tsa lijo tsa lijo tsa lijo tsa lijo tsa ho ntlafatsa sebopeho le molomo.
8. Tlhahiso e laoloang ea lithethefatsi:
E 'ngoe ea lits'ebetso tsa bohlokoa tsa li-hydroxypropyL methylcelulose e maemong a ho tsamaisa lithethefatsi tse laoloang - Sesole sa Polymer, liketsahalo tse etsang filimi e hlophisehileng tsa lifilimi li nolofalletsa ho lokolloa ha lithethefatsi tse laoloang ke lithethefatsi, li nolofalletsa ho tsamaisoa ha lithethefatsi. Sena se na le molemo haholo bakeng sa ho ntlafatsa tumellano le litlamorao tse amanang le tokollo e potlakileng ea lithethefatsi.
9. E tsitsitse tlasa libaka tse fapaneng tsa ph:
HPMC e bonts'a ho tsitsipana ho pH ea phallo e pharalletseng, ho e etsa hore e tšoaneloe ke litlhahiso tse hlokang ho tsitsa ha maemo a afkili. Thepa ena e na le molemo ho li-pharmatucaul hobane palo ea lithethefatsi e ka kopana le libaka tse fapaneng tsa ph ka pampitšana ea gastrointestinas.
10. Litlatsetso tsa Rheology:
Boitšoaro ba tumelo ea HPMC bo bohlokoa bakeng sa lits'ebetso tsa phallo ea Polokelo moo thepa ea phallo e bohlokoa haholo, joalo ka ho hlophisoa ha likotsi, likhathatso. Li-Rheological tsa Rheological li ka tsamaisoa ka ho fetola boima ba 'mele le limompe tsa HPMC ho fihlella litšobotsi tsa phallo tse hlokahalang bakeng sa taolo ea phallo.
Hydroxypropypropypropilose e fetohile polymer ea indasteri ea indasteri e fapaneng ka lebaka la motsoako o ikhethang oa li-scobility, Viscosity, bokhoni ba ho etsa lifilimi le botsitso. Ho feto-fetoha ha eona ho etsa hore e tšoanele lits'ebetsong tse fapaneng, ho tsoa ho meriana le lisebelisoa tsa kaho ho lijo le litlolo. Joalokaha bafuputsi ba ntse ba tsoela pele ho hlahloba mekhabiso e mecha le lits'ebetso tsa hydroxypropypropypropypropy.
Nako ea poso: Jan-10-2024