Focus on Cellulose ethers

Izici Zomzimba ze-Hydroxyethyl cellulose

Izici Zomzimba ze-Hydroxyethyl cellulose

I-Hydroxyethyl cellulose (HEC) iyi-polymer engancibiliki emanzini e-nonionic evame ukusetshenziswa njenge-thickener, binder, kanye ne-stabilizer ezimbonini ezahlukahlukene.Nazi ezinye zezinto ezibonakalayo ze-HEC:

  1. Ukunyibilika: I-HEC incibilika kakhulu emanzini futhi yenza izixazululo ezicacile, ezibukekayo ezingafakwa kalula ekwakhiweni.I-solubility ye-HEC ithintwa izici ezifana ne-pH, izinga lokushisa, namandla e-ionic.
  2. Ukuguqulwa kwe-Rheology: I-HEC ingasebenza njenge-rheology modifier, isiza ukulawula ukugeleza kanye ne-viscosity yokubunjwa.Ingasetshenziselwa ukujiya noma ukunciphisa ukwakheka, kuye ngomphumela wokuphela oyifunayo.
  3. Izakhiwo zokwakha ifilimu: I-HEC ingakha ifilimu eqinile, eguquguqukayo lapho yomisiwe, okuyenza ibe wusizo ekusetshenzisweni okunjengama-coatings, ama-adhesives, namafilimu.
  4. Ukuhambisana: I-HEC iyahambisana nohlu olubanzi lwezinye izithako futhi ingasetshenziswa ekwakhiweni okuningi okuhlukene.
  5. Ukuzinza kokushisa: I-HEC izinzile emazingeni okushisa aphezulu futhi ingasetshenziswa ekwakhiweni okudinga ukucubungula ukushisa.
  6. Ukuzinza kwamakhemikhali: I-HEC imelana namakhemikhali amaningi futhi ingasetshenziswa ekwenziweni okudinga ukumelana nama-acids, ama-alkali, namanye amakhemikhali.
  7. I-Biocompatibility: I-HEC ihambisana ne-biocompatible futhi ingasetshenziswa emithini yemithi neminye imikhiqizo ehlangana nomzimba.
  8. Ukuziphatha kwe-Shear-thinning: I-HEC ibonisa ukuziphatha kokugunda kwe-shear, okusho ukuthi i-viscosity yayo iyancipha ngaphansi kwengcindezi yokugunda.Lesi sakhiwo singaba usizo kuzinhlelo zokusebenza lapho i-viscosity ephansi idingeka ngesikhathi sokucubungula kodwa i-viscosity ephezulu ifunwa kumkhiqizo wokugcina.

Sekukonke, izakhiwo ezibonakalayo ze-HEC ziyenza ibe isithako esiwusizo ezimbonini ezahlukahlukene.Ukuncibilika kwayo, ukuguqulwa kwe-rheology, izakhiwo zokwenza ifilimu, ukuhambisana, ukuzinza kokushisa, ukuzinza kwamakhemikhali, i-biocompatibility, nokuziphatha kokugunda kwe-shear kwenza kube isithako esibalulekile ekwakhiweni kwezimonyo, ukunakekelwa komuntu siqu, imithi, ukudla, kanye nezicelo zezimboni.


Isikhathi sokuthumela: Mar-21-2023
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