Hydroxyethyl cellulose (HEC)
Hydroxyethyl cellulose (HEC) is a white or light yellow, odorless, non-toxic powder. It is prepared from basic cellulose and ethylene oxide (or chloroethane) by etherification. It is a non-ionic soluble cellulose ether. Because HEC cellulose has good characteristics of thickening, suspension, dispersion, emulsification, adhesion, film formation, protection of moisture, and protection of colloids, it is widely used in petroleum extraction, coatings, construction, medicine and food, textiles, papermaking, and other fields.
| Item | Hydroxyethyl Cellulose |
|---|---|
|
Appearance |
White to yellowish flowing powder |
|
Molar Degree of Substitution(M.S) |
1.8-3.0 |
|
Water(%) |
≤10 |
|
Insoluble Matter in Water(％) |
≤0.5 |
|
PH Value |
6.0-8.5 |
|
Light Transmittance |
≥80 |
|
Viscosity(mpa.s) 2％, 25℃ |
5－150000 |
Application of Hydroxyethyl Cellulose (HEC)
HEC powder can be used as adhesive, surfactant, colloid protective agent, dispersant, emulsifier and dispersion stabilizer. It has a wide range of applications in coatings, inks, fibers, dyeing, papermaking, cosmetics, oil drilling, and medicine.
Construction Industry: HEC can be used as a moisture retention agent and a cement setting inhibitor.
Oil Drilling Industry: It can be used as a thickener and cementing agent for oil well workover fluid. The drilling fluid with HEC can effectively improve drilling stability based on its low solid content function.
Coating Industry: HEC can play a role in thickening, emulsifying, dispersing, stabilizing and retaining water for latex materials. It is characterized by a significant thickening effect, good color spreadability, film formation, and storage stability.
Paper and Ink: It can be used as a sizing agent on paper and paperboard, as a thickener and suspending agent for water-based inks.
Daily Chemicals: HEC is an effective film-forming agent, adhesive, thickener, stabilizer and dispersant in shampoos, hair conditioners, and cosmetics.
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