Hydroxyethyl cellulose (HEC) is a white or light yellow, tasteless, non-toxic fiber or powder solid, from alkaline cellulose and epoxy ethane (or chloroethanol) by etherification reaction, is a non-ionic soluble cellulose ether.Hydroxyethyl cellulose (HEC) has been widely used in petroleum exploitation, coating, construction, medicine and food, textile, papermaking and polymer polymerization because of its good properties of thickening, suspension, dispersion, emulsification, adhesion, film formation, water protection and protective colloid.