Hydroxypropypropinyl Methylcelll - - HPMC) ke polymer ea fapaneng le e sebelisoang haholo indasteri e tsebahalang, e tsejoang ka thepa ea eona e ikhethang. Kotsi ena ke tšenyo ea cellulose, polymer ea tlhaho e fumanehang marakong a lily. Ho utloisisa sebopeho sa hydroxypropinylmethylcellilose, ho hlokahala hore a kene ka sebopeho le se boleloang ka sebopeho sa celbulose e matlafatsang.
Sebopeho sa cellulose:
Cellulose e na le li-celbohydrate e rarahaneng tsa ketane ea line e nang le likarolo tse amanang le likarolo tse amanang le β-1,4-glycosidic. Liketane tsena tsa glucose li tšoaretsoe hammoho ka maqhubu a hydrogen ho theha sebopeho sa rigid mela. Clloulose ea ka sehloohong ea marako a Ce ea Celture Marako, e fanang ka matla le thata ho jala lisele.
Li-derivatives tsa hydroxypropyl methylcelubulose:
Hydroxypropypropinyl Methylcellllubulose ka ho lekanya cellulose le ho hlahisa lihlopha le lihlopha tsa methyl le lihlopha tse ka sehloohong tsa celdrous. Ho fetola hangata ho kenyelletsa mehato e latelang:
Karabelo ea Etheright:
Methylation: Ho phekola Cleloulose ka Tharollo ea Alkaline le Methyl Chloride ho hlahisa lihlopha tsa methyl (-ch3) tsa celdroyl (-ch) ea celdroyl (-ch) ea celdroyl (-ch) ea celdroyl (-ch) ea celdroyl (-ch) ea celdroyl (-ch) ea celdroyl (-ch) ea celdroyl (-ch) ea celdroyl (-ch) ea celdroyl (-ch) ea celdroyl (-ch) ea celdroyl.
Hydropyproppylase: Celdoulosed Celdoulose EXTOYTS ho hlahisa lihlopha tsa hydroxypropyl (-ch2hohch3) ho tsoa sebopeho sa cellulo. Ts'ebetso ena e ntlafatsa qubu ea metsi mme e fetola thepa ea 'mele ea' mele ea cellulose.
Purtiation:
Nomoro e fetotsoeng ea selefouno e hloekisoa ebe e hloekisoa ho tlosa baholetsi leha e le ofe ba sa lokelang, ka lihlahisoa kapa litšila.
Ho omella le ho serisa:
Methdroxypropyl Methylcelulese e omisitsoeng le lefatše ka phofo e ntle e lokiselitsoeng ho sebelisoa ka mefuta e fapaneng ea lits'ebetso.
MethdroxypropyL methylcelulose:
Sebopeho sa HydroxypropyLe methylcelulose ka tekanyo ea sebaka, e bolelang karolelano ea hydroxypropyly ka kemiso ea Hydroxyprop Maqephe a fapaneng a HPMC a na le degrees ea HPMC e nang le bolelele ba sebaka, a amang sello sa bona, pono le thepa e meng.
Foromo ea lik'hemik'hale ea HydropxypropyLe Methylcelll e ka hlahisoang joalo ka (C6H7O2
M: Scone of Methylation (Lihlopha tsa Methyl ka yuniti ea Glucose)
N: Tempele ea hydropypropylation (lihlopha tsa hydropypropyl ka yuniti ea Glucose)
X: Palo ea likarolo tsa Glucose ka ketane ea cellulo
Libaka le Likopo:
SELLE: HPMC e qhibiliha ka metsi, 'me boemo ba ho nka nako e ama litšobotsi tsa eona tsa solobadity. E theha tharollo e hlakileng le e shebang ka metsing, e etsa hore e be e loketseng liforomo tse fapaneng.
Litaba: Visicosity ea tharollo ea HPMC e itšetlehile ka lintho tse kang boima ba limolek'hule le tse phahameng. Thepa ena e bohlokoa bakeng sa lits'ebetso tse kang meriana e hlokang hore li be le litlhahiso tse laoloang.
Phetoho ea lifilimi: HPMC e ka theha lifilimi tse tšesaane joalo ka tharollo ea ho bolaoa ke likokoana-hloko ho li-ramatineng tsa merithamati, lijo le lihoitleng tse ling.
Bophahamo le li-thickerry: indastering ea lijo, HPMC e sebelisoa e le thipa le e hlohlelletsang lihlahisoa tse fapaneng, ho kenyeletsoa lesene, le thepa e halikiloeng.
Lits'ebetso tsa pharmaceutical: HPMC e sebelisoa haholo ka mekhoa ea meriana, ho kenyeletsa le litafole, ka lebaka la ho lokolloa ha thepa ea eona e laoloang le ho itokolla ha eona.
Ho ahoa le bosholu: HPMC e sebelisoa lisebelisoa tsa kaho e kang ho hlekefetsoa, lidolara tsa tasters. E boetse e sebelisoa joalo ka thipa ebile e hlonahala ka pente le liforomo tsa koae.
Lihlahisoa tsa tlhokomelo ea motho: Lik'holeketsing tsa botho le indasteri ea tlhokomelo ea botho, HPMC e fumanoa li le lihlahisoa tse kang litlolo tsa borikhoe, li-shampoos, moo e fanang ka sebopeho le botsitso.
HydroxyproPypropinyL methylcelulose e fumanoa ke methyllase le hydroxypropylase ea cellulose. Ke polymer e fapaneng ka tšebeliso e fapaneng ea ts'ebeliso. Thepa ea eona e ikhethang e etsa hore e be bohlokoa liindasteri, lijo, tsa kaho le tlhokomelo ea motho ka mong. Phekotso e laoloang ea cellulose e ka 'na ea lumella thepa ea HPMC, e e etsa karolo ea bohlokoa ea lihlahisoa tse ngata tseo re kopanang le tsona letsatsi le letsatsi.
Nako ea poso: Jan-10-2024