I-Hydroxypropyl methylcellulose (HPMC)Ingabe i-ether engeyona eye-cellulose esetshenziswa kabanzi esetshenziswa kabanzi ekudleni, emithini, ezokwakha kanye nezinye izinkambu. Kwenziwa kusuka ku-cellulose yemvelo ngokusebenzisa ukucubungula kwamakhemikhali njengoku-alkalization kanye nokuthezeka, futhi inezimpawu ezilandelayo ezilandelayo:
4. Imvelo kanye ne-BIOCOMS
Ukuvikelwa Kwezemvelo: I-HPMC iyinto ebonakalayo ebonakalayo enobungani bemvelo.
Ukuphepha Kwemvelo: Njengokudla kanye nezengezo zezidakamizwa, kunokwengeziwe okuhle futhi akuyona ingozi futhi ayinangozi.
5. Ukuguqulwa kwezindawo ezibonakalayo
Izici ze-HPMC (ezinjengokuvikelwa kwe-viscosity kanye ne-gel lokuhlola) zingashintshwa ngokulungisa izinga lazo lokufaka esikhundleni (okuqukethwe kwamaqembu we-methoxy ne-hydroxypropyl) ukuze ahlangabezane nezidingo ezihlukile zohlelo lokusebenza.
6. Ukumelana kwamakhemikhali
Ukumelana nosawoti: Kuzinzile ekuqoqweni kwesawoti okuthile.
Ukumelana kwe-enzymatic: Uma kuqhathaniswa ne-cellulose yemvelo, i-HPMC inokumelana namandla ku-enzymatic hydrolysis.
Hydroxypropyl methylcellulose Isetshenziswe kabanzi kwizimboni eziningi ezinjengokudla, umuthi kanye nokwakha ngenxa yezakhiwo zayo ezinhle kakhulu zenyama nangamakhemikhali, izici ezisebenzayo, nokusebenza okubanzi. I-solubility yayo engafani namanzi, ukuqina, ukugcinwa kwamanzi, kanye nezakhiwo ezenziwe ngefilimu zikwenza kube okungenakufinyeleleka futhi okubalulekile.
Isikhathi sePosi: Nov-29-2024