Gxila ekutholeni izitha ze-cellulose

Yiziphi izici ze-hydroxypropyll methylcellulose?

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:

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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
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