Bermocoll EHEC and MEHEC cellulose ethers

Bermocoll is a brand of cellulose ethers produced by AkzoNobel. Two common types of Bermocoll cellulose ethers are Hydroxyethyl Methylcellulose (HEMC) and Methyl Ethyl Hydroxyethyl Cellulose (MEHEC). These cellulose ethers find applications in various industries due to their unique properties. Here’s an overview of Bermocoll EHEC and MEHEC:

Bermocoll EHEC (ethylHydroxyethyl cellulose):

1. Chemical Structure:
   • Bermocoll EHEC is a cellulose ether with hydroxyethyl and methyl groups introduced into the cellulose structure. The hydroxyethyl groups enhance water solubility, while the methyl groups contribute to the overall properties of the polymer.
2. Applications:
   • Construction Industry: Bermocoll EHEC is commonly used in the construction industry as a thickening and water-retaining agent in mortars, tile adhesives, and other cementitious products. It improves workability and adhesion.
   • Paints and Coatings: It is used in water-based paints and coatings as a rheology modifier, providing stability and control over viscosity.
   • Pharmaceuticals: In the pharmaceutical industry, it can be used as a binder, disintegrant, and thickening agent in tablet formulations.
   • Personal Care Products: Found in cosmetics, shampoos, and lotions for its thickening and stabilizing properties.
3. Viscosity and Rheology:
   • Bermocoll EHEC contributes to the viscosity and rheological properties of formulations, allowing for better control over flow and application characteristics.
4. Water Retention:
   • It has excellent water retention properties, making it valuable in construction materials to control drying times.

Bermocoll MEHEC (Methyl Ethyl Hydroxyethyl Cellulose):

1. Chemical Structure:
   • Bermocoll MEHEC is a cellulose ether that combines methyl, ethyl, and hydroxyethyl groups in its structure. This modification enhances its performance in specific applications.
2. Applications:
   • Construction Industry: Bermocoll MEHEC is used in construction materials, similar to EHEC, for its thickening and water-retaining properties. It is often employed in dry mix mortars, grouts, and tile adhesives.
   • Paints and Coatings: MEHEC is utilized in water-based paints and coatings as a rheology modifier and stabilizer. It helps control the viscosity and enhances the overall performance of coatings.
   • Personal Care Products: It can be found in cosmetics and personal care items for its thickening and stabilizing effects.
3. Viscosity and Rheology:
   • Like EHEC, Bermocoll MEHEC contributes to viscosity and rheological control in various formulations, providing stability and desirable application properties.
4. Water Retention:
   • MEHEC exhibits water retention properties, aiding in the performance of construction materials by controlling water evaporation.

Quality and Specifications:

• Both Bermocoll EHEC and MEHEC are produced with specific quality standards and specifications by AkzoNobel. These standards ensure consistency and reliability in performance.
• Manufacturers typically provide detailed technical data sheets and guidelines for the use of these cellulose ethers in different applications.

It’s important for users to refer to the specific product documentation provided by AkzoNobel or other manufacturers for detailed information on formulation, usage, and compatibility with other materials in specific applications. Additionally, compatibility testing should be conducted in formulations to ensure optimal performance.