Hydroxyethyl Methyl Cellulose

HEMC & MHEC

Kemox HEMC is a different kind of cellulose ether from HPMC. The substitute groups of HEMC are hydroxypropyl and methoxy,Compared with HPMC, HEMC has more hydrophilic groups, which means it has a relatively high gel temperature, better water retention in hot environments, and better thermal sta-bility.

Kemox hydroxyethyl methyl cellulose(HEMC or MHEC) provides many of the same benefits as other methylcellulose derivatives, such as the ability to efficiently thicken and provide water retention, are highly effective additives used to improve the quality and processing characteristics of building materials such as plasters and renders, mortars, tile adhesives, joint compounds and emulsion paints.

If you want to learn more, please visit our website KDOCEL.

Functions & Specifications

Construction
Used as a thickening agent and water retention agent for products to improve workability and strength, reduce cracking and shrinkage.
Personal care
Thickeners and stabilizers for various personal care products to enhance product ductility and foaming properties.
Paints and coatings
Used as thickeners, stabilizers and film-forming agents to improve viscosity and flow of products, and enhance adhesion and durability of coatings.
Adhesives and sealants
Used as a thickener and water retention agent to provide better workability and adhesion properties for products.

ItemIndexAppearanceWhite or light yellow powderMethoxy,%18.0-24.0Hydroxyethyl,%8.0-16.0PH value:5.0-8.5Moisture,%≤8Ash content,%≤3Mesh100 mesh 98.5% pass80 mesh 100% passViscosity(2%,20℃,Mpa.s)400-

HEMC Asked Questions

When choosing HEMC viscosity, consider the specific requirements of your application, such as desired consistency, water retention, and overall performance. Consult the Kemox’s guidelines to make an informed decision.

HEMC grades are differentiated based on their viscosity, which is typically measured in mPa·s (millipascal-seconds) or cP (centipoise). Different grades offer varying performance characteristics, such as water retention, solubility, and thickening ability.

When selecting HEMC, consider the specific application area and performance requirements, including viscosity, solubility, and water retention properties.

Yes, HEMC can be combined with other cellulose ethers, such as HPMC or HEC, to achieve desired properties in a specific application. The compatibility and performance of combined products should be tested before use to ensure optimal results.

Yes, HEMC is compatible with various types of cement, including Portland cement, slag cement, and fly ash cement. Its benefits and performance may vary slightly depending on the cement type and formulation.

HEMC is biodegradable and has minimal environmental impact during its use and disposal, making it an eco-friendly material.

Other Products

HPMC

Hydroxypropyl Methyl Cellulose

HEC

hydroxyethyl cellulose

RDP & VAE

redispersible polymer powder

HPS

hydroxypropyl starch ether

Hydroxyethyl methyl cellulose is a odorless, odorless, non-toxic white powder that can be dissolved in cold water to form a transparent viscous solution. 

The degree of substitution and modification of substituent, allows the different chemical properties and benefits after alkalization and etherification reactions with Sodium hydroxide,Cholromethane,and ethylene oxide.

HEMC is better performance in terms of higher gel temperature and hydrophilicity rely on ethyl substituent groups.

For more information, please visit Hydroxy Ethyl Cellulose.

Structural formula 

(n～2)/2 

OR=-OH、-OCH3、-[OCH2CH(CH3)]nOH or-[OCH2CH(CH3)]OCH3

HEMC Main application

Hydroxyethyl methyl cellulose (HEMC) is a non-ionic cellulose mixed ether made from cotton and wood through alkalization, ethylene oxide and methyl chloride etherification. HEMC is widely used in water-based latex coatings, construction and building materials, printing ink, oil drilling and other fields. Its properties are similar to HPMC, but the presence of hydroxyethyl makes HEMC more soluble in water, the solution is more compatible with salt, and has a higher condensation temperature.

1. in the pharmaceutical field, hydrophilic gel framework materials and pharmaceutical excipients for the preparation of sustained-release preparations are widely used, including oral tablets, suspensions, local preparations, porogens and coating agents.

2. in the field of food processing, it is used for bonding, emulsification, film-forming, thickening, suspension aid, dispersion, water retaining agent, etc.

3. in the field of daily chemical industry, it is used as an additive for toothpaste, cosmetics, detergent, etc.

4. in the field of building materials, it is used as a gelling agent and water retaining agent for cement, gypsum and lime, and is an excellent admixture for powder building materials.

Specification

HEMC packaging and storage

Barrel or paper plastic bag lined with polyethylene film inner bag.

Net weight of each bag: 25kg.

Protect from sun and rain during storage and transportation.