Hydroxypropylmethylsellose (HPMC) ipurusi rakanyatso shandiswa zvakanyanya mumarunda akasiyana siyana akadai sekurapa, chikafu, zvidyarwa, uye kuvaka. HPMC inozivikanwa nekuda kwemvura yayo yekuchengetwa kwemvura, ichiita kuti ive yakanaka incredient mune akawanda mashandisirwo. Munyaya ino, isu tinoongorora zvinhu zvinokanganisa kuchengetwa kwemvura kweHPMC uye kuti tishandise sei zvinhu izvi kuti zviwedzere kushanda kwavo.
1. Molecular uremu
Kurema kwemanyorerwe kweHPMC kunoita basa rakakosha mumvura yayo yekuchengetwa kwemvura. Iyo yepamusoro iyo inorema uremu, iyo yakakura kuchengetedza mvura yekuchengetedza. Izvi zvinodaro nekuti yakakwira molecular uremu hpmc ine yepamusoro viscosity, iyo inogonesa kuumba iyo thicker firimu pamusoro peiyo substrate, nekudaro ichidzora kurasikirwa kwemvura. Naizvozvo, kuti zvikumbiro zvinocherechedzwa kuchengetwa kwemvura zvakakomba, yakakwira molecular uremu hpmc inokurudzirwa.
2. Degree rekutsiva
Dhigirii rekutsiva Iyo yepamusoro DS, yakakura kuchengetedza mvura yekuchengetedza. Izvi zvinodaro nekuti iyo hydroxypruppropyl uye methyl mapoka anowedzera solubil yeHPMC mumvura uye nekuwedzera kugona kwayo kuumbwa-kuenderana neyejoly iyo inogona kugamuchira mamalekyudhi emvura. Naizvozvo, kuti zvikumbiro zvinocherechedzwa kwekuchengetwa kwemvura chinhu chinoshoreka, HPMC ine mwero wakakwira wekutsiva chinokurudzirwa.
3. Tembiricha uye humidity
Tembiricha uye humidity zvakakosha zvinhu zvinokanganisa kuchengetwa kwemvura kweHPMC. Tembiricha yakakwira uye kunyorova kwakadzika kuchaita kuti mvura iri muHPMC firimu yekudzosa nekukurumidza, zvichikonzera kutongwa kwemvura murombo. Naizvozvo, zvinokurudzirwa kuchengeta HPMC munzvimbo inotonhorera uye yakaoma yekuchengetedza mari yayo yekuchengetedza mvura.
4. PH Kukosha
Iyo pH yeiyo substrate inotorawo basa rakakosha mukuchengetwa kwemvura kweHPMC. HPMC inonyanya kushanda mune isina kwayakarerekera kune zvishoma acidic nharaunda. Kana iyo pH yeMatrix yakakwira, iyo solubility yeHPMC inogona kuderedzwa uye iyo yekuchengetedza mvura ichaderedzwa. Naizvozvo, zvinokurudzirwa kuidza iyo pH yeiyo substrate uye ikaichinjira kune yakakodzera huwandu hwekuchengetwa kwemvura kwemvura.
5. Kusvina
Iko kusvinura kweHPMC kunobatawo mari yayo yekuchengetwa kwemvura. Kazhinji, iyo yepamusoro yekuvhara yeHPMC, iri nani kuchengetwa kwemvura. Nekudaro, pakukwirira kwakanyanya, visikopa yeHPMC inogona kuve yakanyanya kukwirisa, ichiita kuti zviome kushandisa uye nekuparadzira zvakanyanyisa pane substrate. Naizvozvo, zvinokurudzirwa kuidza iyo yakasarudzika yekukosheswa yeHPMC kune imwe neimwe chaiyo application kuitira kuti uwane yakanakisa mvura yekuchengetwa kwemvura.
Mukupedzisa, HPMC yave yakakosha zvinyorwa nekuda kweiyo yakanakisa mvura yekuchengetwa kwemvura uye inoita basa rinokosha mumaindasitiri akasiyana siyana. Zvinhu zvinokanganisa kuchengetedza kwemvura Nokunzwisisa izvi zvinhu, tinogona kuona kuti HPMPS tisvike kwavo zvizere kugona, zvichiita kuti kusikwa kwezvigadzirwa zvakagadziriswa kune yavo yekuchengetedza mvura.
Kutumira Nguva: Jul-04-2023