Hydroxypropyl methyl cellulose VS methyl cellulose

1. Hydroxypropyl methyl celluloseHa metsi a chesang a qhibiliha ka metsing a batang, a tla kopana le mathata. Empa mocheso oa gelation ea eona metsing a chesang o phahame haholo ho feta oa methyl cellulose. Ho qhibiliha ha methyl cellulose ka metsing a batang le hona ho ntlafetse haholo.

2. Viscosity ea hydroxypropyl methyl cellulose e amana le boima ba eona ba limolek'hule, 'me boima bo boholo ba limolek'hule ke viscosity e phahameng. Mocheso o tla boela o ama viscosity ea eona, mocheso oa eketseha, viscosity ea fokotseha. Leha ho le joalo, viscosity ea mocheso o phahameng e tlase ho feta ea methyl cellulose. Tharollo e tsitsitse ha e bolokoa mochesong oa kamore.

3. Hydroxypropyl methyl cellulose e tsitsitse ho ea ho asiti le alkali, 'me tharollo ea eona ea metsi e tsitsitse haholo ho tloha ho pH=2~12. Caustic soda le metsi a lime ha li na phello e kholo litšobotsing tsa eona, empa alkali e ka potlakisa sekhahla sa ho qhibiliha ha eona le ho ntlafatsa viscosity ea pin. Hydroxypropyl methyl cellulose e tsitsitse ho ea ho letsoai le akaretsang, empa ha mahloriso a tharollo ea letsoai a le holimo, viscosity ea tharollo ea hydroxypropyl methyl cellulose e atisa ho eketseha.

4. Ho boloka metsi ha hydroxypropyl methyl cellulose ho itshetlehile ka bongata ba yona ba ho eketsa, viscosity, jj. Sekgahla sa ho boloka metsi tlasa bongata bo lekanang ba ho eketsa se hodimo ho feta sa methyl cellulose.

5. Ho kgomarela ha hydroxypropyl methyl cellulose kahong ya seretse ho hodimo ho feta ha methyl cellulose.

6. Hydroxypropyl methyl celluloseE na le khanyetso e betere ea li-enzyme ho feta methyl cellulose, 'me monyetla oa ho senyeha ha li-enzyme tharollong o tlase ho feta methyl cellulose.


Nako ea poso: Mmesa-26-2024