An Ecofriendly Polymer With Significant Properties, Extensive Modification Potential, and Sustainable Industrial Applications

Abstract

Hydroxyethylcellulose (HEC) is a water-soluble derivative of cellulose, obtained by reacting cellulose with ethylene oxide. This chemical transformation imparts distinctive characteristics to HEC, such as enhanced water solubility, increased viscosity, and optimized stability under various pH and thermal conditions. These properties make HEC an essential polymer in various industrial sectors. In the cosmetic and pharmaceutical industries, HEC is mainly used for its thickening, stabilizing, and moisturizing properties. It is also employed in the paint and coatings sector as a viscosity modifier, and in the food industry for its emulsifying and stabilizing functions. Additionally, cellulose is used in water treatment processes. Chemical modifications of HEC, such as the control of substitution degree and crosslinking, enable its properties to be tailored for specific applications. The methods of HEC modification, its physical and chemical properties, and its numerous industrial applications are examined in this article, emphasizing its versatility and advantages over pure cellulose.