Izinhlobo ze-cellulose ether

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:

  1. 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).
  2. 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.
  3. 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.
  4. 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.
  5. 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.
  6. 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.
  7. 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