1. I-Hydroxypropyl methyl celluloseInyibilika emanzini abandayo, amanzi ashushu anyibilikisiweyo aya kudibana nobunzima. Kodwa ubushushu bayo be-gelation emanzini ashushu buphezulu kakhulu kune-methyl cellulose. I-solubility ye-methyl cellulose emanzini abandayo nayo iphuculwe kakhulu.
2. I-viscosity ye-hydroxypropyl methyl cellulose ihambelana nobunzima bayo be-molecular, kwaye ubunzima obukhulu be-molecular yi-viscosity ephezulu. Ubushushu buya kuchaphazela i-viscosity yayo, ukunyuka kweqondo lokushisa, i-viscosity iyancipha. Nangona kunjalo, i-viscosity yobushushu obuphezulu isezantsi kune-methyl cellulose. Isisombululo sizinzile xa sigcinwe kwiqondo lokushisa.
3. I-Hydroxypropyl methyl cellulose izinzile kwi-asidi kunye ne-alkali, kwaye isisombululo sayo samanzi sizinzileyo kakhulu kwi-pH = 2 ~ 12. I-Caustic soda kunye namanzi e-lime ayinayo impembelelo enkulu kwiipropati zayo, kodwa i-alkali inokukhawulezisa izinga lokuchithwa kwayo kunye nokuphucula i-viscosity yepini. I-Hydroxypropyl methyl cellulose inozinzo kwiityuwa ngokubanzi, kodwa xa ukuxinwa kwesisombululo setyuwa kuphezulu, i-viscosity yesisombululo se-hydroxypropyl methyl cellulose ithande ukunyuka.
4. Ukugcinwa kwamanzi kwe-hydroxypropyl methyl cellulose kuxhomekeke kwixabiso elongezelelweyo, i-viscosity, njl.
5. I-adhesiveness ye-hydroxypropyl methyl cellulose kwisakhiwo sodaka iphezulu kune-methyl cellulose.
6. I-Hydroxypropyl methyl celluloseinokumelana ne-enzyme engcono kune-methyl cellulose, kwaye ukuba nokwenzeka kokuthotywa kwe-enzymatic kwisisombululo kuphantsi kune-methyl cellulose.
Ixesha lokuposa: Apr-26-2024