Cellulose, hydroxyethyl ether (MW 1000000)

Cellulose hydroxyethyl ether is a derivative of cellulose, a natural polymer found in the cell walls of plants. The hydroxyethyl ether modification involves introducing hydroxyethyl groups to the cellulose structure. The molecular weight (MW) specified as 1,000,000 likely refers to the average molecular weight of the cellulose hydroxyethyl ether. Here are some key points about cellulose hydroxyethyl ether with a molecular weight of 1,000,000:

1. Chemical Structure:
   • Cellulose hydroxyethyl ether is derived from cellulose by reacting it with ethylene oxide, resulting in the introduction of hydroxyethyl groups to the cellulose backbone.
2. Molecular Weight:
   • The molecular weight of 1,000,000 indicates the average molecular weight of the cellulose hydroxyethyl ether. This value is a measure of the average mass of the polymer chains in the sample.
3. Physical Properties:
   • The specific physical properties of cellulose hydroxyethyl ether, such as solubility, viscosity, and gel-forming abilities, depend on factors like the degree of substitution (DS) and the molecular weight. Higher molecular weights may influence the viscosity and rheological behavior of solutions.
4. Solubility:
   • Cellulose hydroxyethyl ether is typically soluble in water. The degree of substitution and molecular weight can affect its solubility and the concentration at which it forms clear solutions.
5. Applications:
   • Cellulose hydroxyethyl ether with a molecular weight of 1,000,000 can find applications in various industries:
     • Pharmaceuticals: It may be used in controlled-release drug formulations, tablet coatings, and other pharmaceutical applications.
     • Construction Materials: In mortar, plaster, and tile adhesives to improve water retention and workability.
     • Coatings and Films: In the production of coatings and films for its film-forming properties.
     • Personal Care Products: In cosmetics and personal care items for its thickening and stabilizing properties.
6. Rheological Control:
   • The addition of cellulose hydroxyethyl ether can provide control over the rheological properties of solutions, making it valuable in formulations where viscosity control is essential.
7. Biodegradability:
   • Cellulose ethers, including hydroxyethyl ether derivatives, are generally biodegradable, contributing to their environmentally friendly profile.
8. Synthesis:
   • The synthesis involves the reaction of cellulose with ethylene oxide in the presence of alkali. The degree of substitution and molecular weight can be controlled during the synthesis process.
9. Research and Development:
   • Researchers and formulators may choose specific cellulose hydroxyethyl ethers based on molecular weight and degree of substitution to achieve desired properties in different applications.

It’s important to note that the properties and applications of cellulose hydroxyethyl ether can vary based on its specific characteristics, and the mentioned information provides a general overview. Detailed technical data provided by manufacturers or suppliers is crucial for understanding the specific cellulose hydroxyethyl ether product in question.