Izinhlobo ze-cellulose ether
I-Cellulose Tashers yiqembu elihlukahlukene lezinto zokutholwa ezitholwe ngokulungisa amakhembu wemvelo, isakhi esiyinhloko sezindonga zeseli zezitshalo. Uhlobo oluthile lwe-cellulose ether lunqunywa ngohlobo lokuguqulwa kwamakhemikhali okwethulwe emhlane we-cellulose. Nazi ezinye izinhlobo ezijwayelekile ze-cellulose afers, ngalinye linezakhiwo zalo ezihlukile kanye nezicelo:
- Methyl cellulose (MC):
- Ukuguqulwa kwamakhemikhali: ukwethulwa kwamaqembu we-methyl ku-cellulose backbone.
- Izakhiwo kanye nezicelo:
- Ukuncibilika kwamanzi.
- Isetshenziswa ezintweni zokwakha (izidakamizwa, izinamathiseli), imikhiqizo yokudla, kanye nemithi yezemithi (ama-tablet coatings).
- I-Hydroxyyethyl cellulose (HEC):
- Ukuguqulwa kwamakhemikhali: Ukwethulwa kwamaqembu we-hydroxyethyl ku-cellulose backbone.
- Izakhiwo kanye nezicelo:
- Ukuncibilika kwamanzi ngokweqile.
- Isetshenziswa kakhulu kwizimonyo, imikhiqizo yokunakekelwa komuntu siqu, upende, kanye nemithi yezemithi.
- I-Hydroxypropyl methyl cellulose (HPMC):
- Ukuguqulwa kwamakhemikhali: Ukwethulwa kwe-Hydroxypropyl kanye namaqembu we-methyl ku-cellulose backbone.
- Izakhiwo kanye nezicelo:
- Ukuncibilika kwamanzi.
- Kusetshenziswa kakhulu ezintweni zokwakha (izimbotshana, izimbobo), imithi nemithi nemikhiqizo yokudla.
- I-Carboxymethyl Cellulose (CMC):
- Ukuguqulwa kwamakhemikhali: Ukwethulwa kwamaqembu e-carboxymethyl ku-cellulose backbone.
- Izakhiwo kanye nezicelo:
- Ukuncibilika kwamanzi.
- Kusetshenziswe njengesikhudlwana kanye ne-stabilizer emikhiqizweni yokudla, amakhambi emithi, izindwangu kanye nokumba uketshezi.
- I-Hydroxypropylllose (HPC):
- Ukuguqulwa kwamakhemikhali: Ukwethulwa kwamaqembu we-hydroxypropyl ku-cellulose backbone.
- Izakhiwo kanye nezicelo:
- Ukuncibilika kwamanzi.
- Esetshenziswa kakhulu emikhakheni njenge-ejenti ye-binder, ekwakheka ifilimu, kanye nomkhulu.
- I-Ethyl Cellulose (EC):
- Ukuguqulwa kwamakhemikhali: Ukwethulwa kwamaqembu e-ETHYL ku-Cellulose Backbone.
- Izakhiwo kanye nezicelo:
- Amanzi-infoluble.
- Kusetshenziswe ku-Coatings, amafilimu, kanye nokwakheka kwemithi yokwelulwa kwemithi.
- I-Hydroxyyethyl methyl cellulose (hemc):
- Ukuguqulwa kwamakhemikhali: Ukwethulwa kweHydroxYethyl kanye namaqembu we-methyl emgogodleni we-cellulose.
- Izakhiwo kanye nezicelo:
- Ukuncibilika kwamanzi.
- Isetshenziswa kakhulu ezintweni zokwakha (izidakamizwa, ama-grouts), upende nezimonyo.
Lezi zinhlobo ze-cellulose iziphotha zikhethwa ngokuya ngezakhiwo zazo ezithile kanye nokusebenza okudingekayo kwizicelo ezahlukahlukene. Ukuguqulwa kwamakhemikhali kunquma i-solubity, ukubonakala, nezinye izici zokusebenza kwe-ether ngayinye ye-cellulose, kubenza babe izithasiselo eziguquguqukayo ezimbonini ezinjengezokwakha, ezemithi, ukudla, izimonyo, nokuningi.
Isikhathi sePosi: Jan-01-2024