I-HydroxyPOpyl Methylcelcelsulose (i-HPMC) yi-polymer ye-semi-syntmer esetyenziswa ngokubanzi kumashishini amaninzi, ngakumbi kwintsimi yamayeza. I-HPMC iye yabonakala inomdla kumalungiselelo e-chiemerutication ngenxa ye-biomatise, engalunganga kunye neepropathi zekhemikhali.
(1) Iimpawu ezisisiseko zeBanga le-HEMMC
I-HPMC yi-ionic selsulose i-ete ilungiselelwe yi-Sellulose nge-propylene oxide kunye ne-methyl chloride phantsi kweemeko ze-alkaline. Isakhiwo sayo esahlukileyo se-HPMC sigqwesileyo, sinamanzi, ukwenza ifilimu kunye nokulungisa iipropathi. Oku kulandelayo zezinye iimpawu eziphambili ze-HPMC:
Ukungathobeli kwamanzi kunye nokuxhomekeka kwe-pH Uhlobo lwesisombululo lwayo lunxulumene nokuxinaniso kunye nobunzima bemoyara, kwaye buzinzo olunamandla kwi-pH kwaye lungazinza kwiindawo ezine-acidic kunye ne-alkaline.
Iipropathi zeThermogel: I-HPMC ibonisa iipropathi ze-Thermois ezihlukileyo xa zifudumele. Ingayikha ijeli xa ifudumele kubushushu obuthile kwaye ibuyele kwiLizwe loLwimi emva kokupholisa. Le ndawo ibaluleke ngokukhethekileyo kumalungiselelo okukhululwa ngamachiza.
I-Biomiti-i-ontyraty: ekubeni i-HPMC isungulwa kwiselfowuni kwaye ayinamali kwaye ayiyi kusabela kwaye ayizukusabela kwezinye izithako, inophawu oluhle kakhulu kwaye aluyi kubhalwa emzimbeni. Yindlela engalunganga.
(2) Ukusetyenziswa kwe-HPMC kumayeza
I-HPMC isetyenziswa ngokubanzi kumzi-mveliso wamayeza, egubungela iindawo ezininzi ezinje ngamayeza omlomo, aphezulu kwaye anamayeza. Izikhombisi zayo eziphambili zezi zilandelayo:
I-1. Ukusekwa kwe-filimus-ifilimu kwiitafile
I-HPMC isetyenziswa ngokubanzi kwinkqubo yokuhamba kweetafile njengento yokwenza ifilimu. Ukudibana kwetafile akunakukhusela iziyobisi kuphela kwimpembelelo yendawo yangaphandle, njengokufuma kunye nokukhanya, kodwa kukhulisa iphunga elibi kunye nokuphucula ukuthotyelwa kwesigulana. Ifilimu eyenziwe yi-HPMC inenkcaso elungileyo namandla, enokwandisa ngokufanelekileyo ubomi bechiza.
Kwangelo xesha, i-HPMC inokusetyenziswa njengeyona nto iphambili ye-membrane ekhutshelweyo yokuveliswa koKhululelo oluzinzileyo kunye neetafile-zilawula. Iipropathi zayo ze-thermal ye-thermal zivumela iziyobisi ukuba zikhululwe emzimbeni ngexesha lokukhutshwa kwangaphambili, ngaloo ndlela ukufezekisa isiphumo sonyango olude olusebenza nzima. Oku kubaluleke ngakumbi kunyango lwezifo ezingapheliyo, ezinjengeemfuno zexesha elide nezigulana ezineswekile kunye ne-hypertered.
I-2. Njengommeli okhululekileyo
I-HPMC isetyenziswa ngokubanzi njenge-arhente yokukhutshwa-kutsho kwi-Oral. Kuba inokwenza ijeli emanzini kunye ne-gel fastriter ngokuthe ngcembe inyibilikisiwe njengoko ichiza ikhutshiwe, inokulawula ngokufanelekileyo inqanaba lokukhupha ichiza. Esi sicelo sibaluleke kakhulu kwiziyobisi ezifuna ukukhutshwa ngamachiza okudala, njenge-insulin, i-antidepressants, njl.
Kwimeko ye-gestrointentinal, umaleko we-HELC unokulawula inqanaba lokukhutshwa kwechiza, ukunqanda ukukhululwa ngokukhawuleza kwechiza ngexesha elifutshane, ngaloo ndlela kuncitshiswa ngokufanelekileyo iziphumo. Le mpahla yokukhutshwa igcina imali ilungele ngokukhethekileyo kunyango lwamachiza afuna ukugxininisa iziyobisi ezizinzileyo, ezinjengee-antibiotics, amachiza achasene nompu, njl.
I-3. Njengomthi
I-HPMC ihlala isetyenziswa njenge-binder kwinkqubo yemveliso yetafile. Ngokongeza i-HPMC kumasuntswana amachiza okanye i-powders, ulwelo lwalo kunye nokunamathela kunye nokunamathela ngaphandle kokuphuculwa, ngaloo ndlela iphucule indlela yokunyanzelwa kwecwecwe. Ukungabinamandla kunye nokuzinza kwe-HPMC kwenza ukuba ibe ngumbizi ofanelekileyo kwiitafile, iigram kunye neecapsules.
I-4. Njenge-thickener kunye ne-stiblizer
Ngamalungiselelo amanzi, i-HPMC isetyenziswe ngokubanzi njenge-thi choner kunye ne-stabilizer kwiziselo ezahlukeneyo ze-orals, amachaphaza amehlo kunye neekhrim eziphezulu. Ipropathi eqaqambileyo yonyusa i-viscosity yeziyobisi ezingamanzi, thintela ukuhanjiswa kweziyobisi okanye i-pumizise, kwaye iqinisekise ngokusasazwa kwamachiza amachiza. Kwangelo xesha, i-tyhurity kunye neepropathi zokunyathela ze-HPMC zenza ukuba zinciphise ngokufanelekileyo emehlweni emehlweni emehlweni okuphakathi kwangaphandle.
5. Isetyenziswe kwiicapsules
Njengesellulose yesityalo esifumene isityalo, i-HPMC ine-biomatining elungileyo, isenza ukuba ibe yinto ebalulekileyo yokwenza iicaphule zezityalo. Xa kuthelekiswa ne-gelales yesilwanyana se-gelatini, i-HPMC ye-HPMC inozinzo olungcono, ngakumbi kubushushu obuphezulu kunye neemeko eziphezulu zokufuma, kwaye akukho lula ukunyibilika okanye inyibilikiswe. Ukongeza, iicaphus ze-HPMC zilungele izilwanyana nezine nezigulana ezingahambelaniyo neGelatin, ukwandisa ubungakanani bokusetyenziswa kweziyobisi zecapsule.
(3) Olunye usetyenziso lweziyobisi ze-HPMC
Ukongeza kwezi zicelo ziqhelekileyo zeziyobisi, i-HPMC inokusetyenziswa nakwimimandla ethile yeziyobisi. Umzekelo, emva kotyando lwe-Ophthalmic, i-HPMC isetyenziswa kumahla e-eye hla njengeoyile ukunciphisa ukuthambeka kumphezulu we-eyeball nokukhuthaza ukubuyela kwimeko yesiqhelo. Ukongeza, i-HPMC inokusetyenziswa kwi-oftiments kunye ne-Gels ukukhuthaza ukufunwa ngamachiza kwaye kuphuculwe ukusebenza kwamachiza asekuhlaleni.
I-HPMCECATION yeBanga le-HPMC idlala indima ebalulekileyo kumalungiselelo eziyobisi ngenxa yezahlulo zayo ezibalaseleyo zomzimba kunye neekhemikhali. Njengombono we-sulmacentical yamayeza, i-HPMC ayinakuphucula kuphela uzinzo lwamachiza kwaye ulawule ukukhululwa kwamachiza, kodwa kukuphucula amava okuthatha iziyobisi kwaye kwandise ukuthotyelwa kwesigulana. Ngokuqhubela phambili phambili kwitekhnoloji yamayeza, intsimi yesicelo ye-HPMC iya kuba ininzi ngakumbi kwaye idlale indima ebaluleke kakhulu kuphuhliso lwamachiza.
Ixesha lasemva: Sep-19 ukuya kwi-2024