I-Hydroxyethyl Cellulose Ether

IHydroxyethyl cellulose ether iyi-polymer engeyona i-ionic emanzini, encibilika kuwo womabili amanzi ashisayo nabandayo.I-Hydroxyethyl cellulose ether inohlu olubanzi lwama-viscosity, futhi zonke izixazululo ezinamanzi azizona eze-Newtonian.

I-Hydroxyethyl cellulose ether inezinto ezinhle kakhulu zokufaka amanzi.Isixazululo saso esinamanzi sibushelelezi futhi siyafana, sinokumanzi nokuhlelemba okuhle

Okulandelayo yifomula yesakhiwo samangqamuzana e-hydroxyethyl cellulose ether:

N = degree of aggregation

Kunamaqembu amathathu e-hydroxyl kuyunithi ngayinye ye-anhydroglucose ku-cellulose, ephathwa nge-alkali kusisombululo se-aqueous sodium hydroxide ukuze kutholwe usawoti we-cellulose sodium, bese ibhekana nokusabela kwe-etherification nge-ethylene oxide ukwakha i-hydroxyethyl cellulose ether.Enqubweni yokwenziwa kwe-HEC, i-ethylene oxide ayikwazi nje ukufaka esikhundleni samaqembu e-hydroxyl ku-cellulose, kodwa futhi ibhekane nokusabela kwe-polymerization yeketanga namaqembu e-hydroxyl emaqenjini afakwe esikhundleni.