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METHOCEL™ E4M Premium
METHOCEL™ E4M Premium is a hydroxypropyl methylcellulose (HPMC) thickener and rheology modifier with medium molecular weight. It yields a viscosity of 4,000 cPs at 2% in water.
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- Manufacturer: IFF
- Product Line: METHOCEL™ Cellulose Ethers
- Product: METHOCEL™ Water-Soluble Cellulose Ethers
- Industries: Adhesives | Building & Construction | Coatings | Inks
- Authorized Countries: Austria | Canada | France | Germany | Italy | Mexico | Spain | Switzerland | United Kingdom | United States
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Overview
METHOCEL™ E4M Premium is a water-soluble hydroxypropyl methylcellulose (hypromellose) cellulose ether polymer with moderate hydroxypropyl substitution and high methoxy content. The hydroxypropyl content gives the E4M Premium grade compatibility with some common organic solvents. It is commonly used as a rheology and flow modifier, thickener, binder, film former, and suspension aid in various applications. Lubricity and spreadability within these applications may also be improved via thixotropic rheology that E4M Premium provides. METHOCEL™ E4M Premium also increases the adhesion and homogeneity of coating, ink, primer, and paint remover formulations.
METHOCEL™ E4M Premium has been used as a rheology modifier in many cleaning formulations due to its pH stability and solvent compatibility. Additionally, E4M Premium will reversibly gel at temperatures above 64° C and provide a boost in green strength for ceramics and adhesive applications. METHOCEL™ E4M Premium is highly efficient at improving formulation rheology, viscosity, and other properties at lower concentrations than other water-soluble polymer rheology modifiers.
Specifications
Viscosity, 2% in water, @ 20 deg: 2663-4970 cPs
Loss on Drying: 5.0 Max
Residue on Ignition: 1.5 Max
Ash, Sulfated: 1.5 Max
pH 2% in Water: 5.0-8.0
Assay, Methoxyl: 28.0-30.0
Assay, Hydroxypropoxyl: 7.0-12.0
Primary Chemistry: Hydroxypropyl Methylcellulose
Features & Benefits
Food compliance: FCC, EC, FAO/WHO, GRAS, U.S. FDA
Yields optimum thickening performance at a low concentration in formulations
Can be added directly to aqueous formulations
No ionic charge from polymer
Thermal gelation, gel goes back into solution upon cooling
Outstanding pH stability (2-13)
Non-aqueous solvent solubility
Problems Solved
Insufficient flow and thickening properties in coating and ink formulations
Inability to form suspensions with formulation ingredients
Difficult application and spreading of adhesives, coatings, and sealants
Runny consistency of alcohol-based cleaner, sanitizer, and disinfectant formulations
Unstable rheology and viscosity at high temperatures and extreme pH
Defects in ceramic parts caused by poor green strength
Applications
Coatings; Adhesives; Ceramics; Cleaners
Related Applications
Adhesives
- Aerospace
- Architectural
- Automotive
- Corrugated Boxes
- Glues
- Industrial
- Packaging
- Paper & Consumables
- Sealants
- Textiles
- Wood Glues
- Aerosol Coatings
- Aerospace Coatings
- Architectural Coatings
- Automotive OEM Coatings
- Basecoats
- Ceramic Coatings
- Coil Coatings
- Consumer Paints
- Electrodeposited Coatings
- Electronics Coatings
- Floor Coatings
- Furniture Coatings
- Heat Seal Coatings
- Industrial Coatings
- Lacquers
- Marine Coatings
- Metal Coatings
- Nail Polish
- Overprint Varnishes
- Pipe Coatings
- Primers
- Release Coatings
- Roof Coatings
- Special Purpose Coatings
- Stone and Tile Coatings
- Terra Cotta Coatings
- Textile & Leather Coatings
- Topcoats
- Traffic Paint
- Truckbed Liners
- Wax and Polishes
- Wood Coatings
Related Chemistries
Adhesives
Related Functions
Adhesives
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