1. Lebitso le tsebahalang la hydroxypropyl methylcellulose ke lefe?
——Karabo: Hydroxypropyl Methyl Cellulose, Senyesemane: Hydroxypropyl Methyl Cellulose Kakaretso: HPMC kapa MHPC Lebitso le leng: Hypromellose; Cellulose Hydroxypropyl Methyl Ether; Hypromellose, Cellulose, 2-hydroxypropylmethyl Cellulose ether. Cellulose hydroxypropyl methyl ether Hyprolose.
2. Tšebeliso e ka sehloohong ea hydroxypropyl methylcellulose (HPMC) ke efe?
——Karabo: HPMC e sebelisoa haholo thepa ea kaho, liphahlo, li-resin tsa maiketsetso, li-ceramic, meriana, lijo, masela, temo, litlolo, koae le liindasteri tse ling. HPMC e ka aroloa ka sehlopha sa kaho, sehlopha sa lijo le sehlopha sa meriana ho latela morero. Hona joale, boholo ba lihlahisoa tsa lapeng ke sehlopha sa kaho. Sehlopha sa kaho, phofo ea putty e sebelisoa ka bongata, hoo e ka bang 90% e sebelisoa bakeng sa phofo ea putty, 'me tse setseng li sebelisoa bakeng sa seretse sa samente le sekhomaretsi.
3. Ho na le mefuta e 'maloa ea hydroxypropyl methylcellulose (HPMC), 'me phapang ea tšebeliso ea tsona ke efe?
——Karabo: HPMC e ka aroloa ka mofuta oa hang-hang le mofuta oa ho qhibiliha ho chesang. Lihlahisoa tsa mofuta oa hang-hang li hasana kapele metsing a batang 'me li nyamela ka metsing. Nakong ena, mokelikeli ha o na viscosity hobane HPMC e hasana feela ka metsing ntle le ho qhibiliha ha 'nete. Metsotso e ka bang 2, viscosity ea mokelikeli e eketseha butle-butle, e etsa colloid e bonaletsang e nang le viscous. Lihlahisoa tsa ho qhibiliha ho chesang, ha li kopana le metsi a batang, li ka hasana kapele ka metsing a chesang 'me tsa nyamela ka metsing a chesang. Ha mocheso o theohela mochesong o itseng, viscosity e tla hlaha butle-butle ho fihlela e etsa colloid e bonaletsang e nang le viscous. Mofuta oa ho qhibiliha ho chesang o ka sebelisoa feela ka phofo ea putty le seretse. Ka sekhomaretsi le pente ea metsi, ho tla ba le ketsahalo ea lihlopha 'me e ke ke ea sebelisoa. Mofuta oa hang-hang o na le mefuta e mengata ea ts'ebeliso. E ka sebelisoa ka phofo ea putty le seretse, hammoho le sekhomaretsi le pente ea metsi, ntle le lithibelo leha e le life.
4. Mokhoa oa ho khetha hydroxypropyl methylcellulose (HPMC) e loketseng merero e fapaneng?
——Karabo::Tšebeliso ea phofo ea putty: Litlhoko li tlase haholo, 'me viscosity ke 100,000, e leng se lekaneng. Ntho ea bohlokoa ke ho boloka metsi hantle. Tšebeliso ea seretse: litlhoko tse phahameng, viscosity e phahameng, 150,000 e molemo. Tšebeliso ea sekhomaretsi: lihlahisoa tsa hang-hang tse nang le viscosity e phahameng lia hlokahala.
5. Ke eng e lokelang ho elwa hloko ts'ebelisong ea 'nete ea kamano pakeng tsa viscosity le mocheso oa HPMC?
——Karabo: Viscosity ea HPMC e lekana ka tsela e fapaneng le mocheso, ke hore, viscosity ea eketseha ha mocheso o fokotseha. Viscosity ea sehlahisoa seo re atisang ho bua ka sona e bolela sephetho sa teko ea tharollo ea sona ea metsi ea 2% mochesong oa likhato tse 20 tsa Celsius.
Ha ho sebelisoa mekhoa e sebetsang, ho lokela ho hlokomeloa hore libakeng tse nang le phapang e kholo ea mocheso pakeng tsa lehlabula le mariha, ho khothalletsoa ho sebelisa viscosity e tlase mariha, e leng se thusang haholo kahong. Ho seng joalo, ha mocheso o le tlase, viscosity ea cellulose e tla eketseha, 'me letsoho le tla ba boima ha ho hohloa.
Vithesis e mahareng: 75000-100000 e sebediswa haholo bakeng sa putty
Lebaka: ho boloka metsi hantle
Ho teteana ho hoholo: 150000-200000 E sebediswa haholo bakeng sa seretse sa polystyrene sa ho thibela mocheso wa di-particle le phofo ya rabara ya ho thibela mocheso wa di-microbead tse nang le vitrified.
Lebaka: Ho teteana ho hoholo, seretse ha se bonolo ho se wela fatshe, ho wa, mme kaho e ntlafaditswe.
6. HPMC ke ether ya cellulose e seng ya ionic, jwale e seng ya ionic ke eng?
——Karabo: Ka mantsoe a tloaelehileng, li-non-ion ke lintho tse sa ioning ka metsing. Ionization e bolela mokhoa oo electrolyte e aroloang ho ba li-ion tse tjhajisitsoeng tse ka tsamaeang ka bolokolohi ka har'a solvent e itseng (joalo ka metsi, joala). Mohlala, sodium chloride (NaCl), letsoai leo re le jang letsatsi le leng le le leng, lea qhibiliha ka metsing 'me lea ionis ho hlahisa li-ion tsa sodium tse tsamaeang ka bolokolohi (Na+) tse tjhajisitsoeng hantle le li-ion tsa chloride (Cl) tse tjhajisitsoeng hampe. Ke hore, ha HPMC e kenngoa ka metsing, e ke ke ea arohana le li-ion tse tjhajisitsoeng, empa e teng ka sebopeho sa limolek'hule.
Nako ea poso: Mmesa-26-2023