Lub peev xwm kav dej ua kom muaj peev xwm ntawm hydroxypropyl methylculose nyob ntawm hydroxypropyl cov ntsiab lus. Raws li tib qho kev mob, dej ua kom muaj peev xwm ua kom muaj peev xwm ntawm cov ntsiab lus hydroxypulose muaj zog dua, thiab cov ntsiab lus methoxy ntawm tib cov ntsiab lus hydroxypropyl yog qhov muaj cai txo. Cov. Lub siab dua cov ntsiab lus ntawm hydroxypropylulose, qhov ntau dua nws cov khoom lag luam, koj yuav tsum xaiv cov khoom uas haum rau koj raws li lub hom phiaj ntawm cov khoom.
Qhov kub thiab txias thiab lwm yam muaj txiaj ntsig rau cov dej ua kom rov qab los ntawm hydroxypropyyl methylulose.
Thermal gel kub:
Cellulose ether HPMC muaj lub thermal siab gelation kub thiab cov dej zoo khaws cia; Ntawm qhov tsis sib xws, nws muaj dej tsis zoo khaws cia.
Viscosity ntawm cellulose ether HPMC:
Thaum lub viscos ntawm HPMC nce, nws cov dej khaws cia kuj nce ntxiv; Thaum lub viscosity nce mus rau qee yam, kom nce hauv kev khaws dej tsawg dua.
Cellulose ether HPMC homogeneous:
HPMC muaj cov kev sib txig sib luag, cov ris tsho sib xyaw ntawm methoxyl thiab hydroxyproxyl, thiab muaj dej zoo.
Cellulose ether HPMC DOSAGE:
Qhov ntau npaum li cas ntau npaum li cas, ntau dua cov dej khaws cia thiab qhov pom tseeb ntawm cov nyhuv khaws cia.
Thaum qhov nyiaj ntxiv yog 0.25 ~ 0.6%, dej khaws dej ua kom nrawm dua nrog kev nce ntxiv; Thaum qhov kev ntxiv ntxiv nce ntxiv, nce ntxiv ntawm cov dej khaws cia hauv qab qeeb qeeb.
Hauv ntej, cov dej khaws cia ntawm HPMC muaj feem cuam tshuam nrog kub thiab viscosity, thiab nws cov dej rov qab yog cuam tshuam nrog tus nqi ntawm hydroxypropylencellulose ntxiv. Thaum tus nqi ntawm hydroxypropyl methylcellulose mus txog ib tus nqi, nws cov dej khaws cia ua tau zoo txog kev sib npaug.
Lub sijhawm Post: Feb-23-2023