I-Hydroxypropyl Methylcellulose (HPMC) iyisengezo samakhemikhali esisetshenziswa kabanzi ekukhiqizeni kodaka ngodaka olumanzi. Lesi sivumelwano se-cellulose ether sinezakhiwo ezikhethekile ezithuthukisa ukusebenza, ukuqina kanye nokusebenza kodaka. Umsebenzi oyinhloko we-HPMC ukwandisa ukugcinwa kwamanzi nokunamathelisa, ngaleyo ndlela uthuthukise amandla eBonding oDinga.
1. Thuthukisa ukusebenza
Ukusetshenziswa kodaka olumanzi olumanzi kubhekisele emandleni alo okuphathwa kalula futhi kuthulwe ngesikhathi sokwakha. Le yindawo ebalulekile yokuqinisekisa ukuthi udaka kulula ukuxuba, uthele futhi wakhe. I-HPMC isebenza njenge-spicesizer ngaleyo ndlela ihlinzeka ngenani elifanele lokugcinwa kwamanzi nokubonwa kodaka. Ngokungezwa kwe-HPMC, udaka luvuselela ngokwengeziwe, ukuvumela ukunamathela nebhondi kangcono.
Umphumela we-HPMC ekusebenzeni kodaka ungabangelwa amandla awo okuthuthumela futhi aguqule i-Rheology yengxube. Ngokwandisa i-viscosity yengxube, i-HPMC ikuvumela ukuthi igeleze kangcono futhi inciphise noma ikuphi ukuthambekela kokuhlukanisa noma ukuphuma. I-Rheelogy ethuthukisiwe yengxube futhi isiza ukunciphisa ukubonwa kodaka, okwenza kube lula ukusebenza nakho.
2 khuphula ukugcinwa kwamanzi
Ukugcinwa kwamanzi kungenye yezinto ezibaluleke kakhulu zodaka olumanzi olumanzi. Kubhekisa emandleni odaka ukuze agcine amanzi isikhathi eside. Udaka udinga ukugcinwa kwamanzi anele ukwandisa amandla nokuvimbela ukushwabana nokuqhekeka ngesikhathi sokomiswa.
I-HPMC ithuthukisa ukugcinwa kwamanzi kodaka olumanzi ngokulawula ukumuncwa nokukhishwa kwamanzi engxube. Kwakha ifilimu elincanyana elizungeze izinhlayiya zokwenza usimende, kubavimbele ekutholeni amanzi amaningi futhi ngaleyo ndlela kugcinwe ukuvumelana kwengxube. Le filimu ibuye isize ukwehlisa ukuhwamuka kwamanzi ekuxubeni, ngaleyo ndlela inikeze isikhathi sokusebenza sodaka.
3. Khulisa ukunamathela
Ukunamathela kuyikhono lodaka lokubopha futhi unamathele ku-substrate. Lesi yisici esibalulekile ekuqinisekiseni ukuthi udaka uhlala endaweni futhi angahlukanisi ebusweni kusetshenziswa. I-HPMC ithuthukisa ukunamathela kodaka olumanzi ngokukhulisa ukuhlangana kwengxube, ngaleyo ndlela kuthuthukise amakhono ayo obugqila.
I-HPMC ifinyelela lokhu ngokwakha ifilimu elincanyana elizungeze izinhlayiya zosenyusi, ezisiza ukuthuthukisa amandla omshini wodaka. Ifilimu libuye lisebenze njengesithiyo, livimbela udaka ekuhlukanisene ne-substrate. Isikhangiso sikadude sikadude sithuthukisa ukuqina kanye nokwethenjwa kokwakhiwa.
Ekuphetheni
Ukungezwa kwe-HPMC ku-WET MIX DORDARS kunemiphumela eminingana ezuzisayo ekusebenzeni, ukuqina kanye nokusebenza kwengxube. Kuthuthukisa ukugcinwa kwamanzi, ukusebenziseka kanye nokunamathelisa, okwenza ukuthi udaka abumbene, kube lula ukuphatha futhi athembeke ngokwengeziwe. Lezi zakhiwo zenza i-HPMC ibe yisengezo esibalulekile samakhemikhali ekukhiqizeni ngodaka ngodaka olumanzi.
Isikhathi sePosi: Sep-15-2023