"Hidden Enabler" Methylcellulose: A Functional Material Empowering Development Across Multiple Fields
MethylCellulose Ether (MC) is an odorless, non-toxic, and tasteless white or slightly yellow granular powder. It is almost insoluble in anhydrousethanol, ether, and acetone, but can rapidly disperse and swell in hot water at 80-90℃, followed by quick dissolution upon cooling. Possessing excellent and stable wettability, dispersibility, thickening property, emulsifiability, water retention, film-forming ability, and oil impermeability, the formed film exhibits outstanding toughness, flexibility, and transparency. As a non-ionic compound, it is compatible with other emulsifiers, and its solution remains stable within the pH range of 2-12. Therefore, it is widely applied in building materials, cosmetics, pharmaceuticals, detergents, polymer polymerization, and other fields.
| Item | Specification |
| Appearance | White or off-white powder |
| Methoxyl Content /% | 27.5-31.5 |
| Fineness /% | Residue on 80-mesh sieve ≤ 8.0 |
| Loss on Drying /% | ≤ 5.0 |
| Ash Content /% | ≤ 1.0 |
| Viscosity / mPa·s | 5.0-200000.0 |
| pH Value (1% solution, 25℃) | 5.0-9.0 |
| Light Transmittance /% | ≥ 80 |
Textile and Printing & Dyeing: Endowed with toughness, flexibility, transparency, and adhesiveness, it is used in warp sizing, fabric glazing, and other materials, imparting a silky hand feel to fabrics.
Pharmaceutical and Food Industries: It serves as a binder, film-forming agent, emulsifier, suspending agent, etc., in pharmaceuticals and food products. For instance, in tablets, pills, powders, injections, suspensions, emulsions, and other formulations, it can act as a binder, sustained-release agent, stabilizer, dispersant, emulsifier, and so on.
Daily Chemical Industry: In the papermaking industry, it serves as a dispersant for paper fibers, capable of improving various properties such as the mechanical strength of paper; it can also act as a binder for fillers and pigments.
Synthetic Resins and Plastics: With excellent suspensibility and dispersibility, it serves as a suspension stabilizer and dispersant during polymerization.
Building Materials: It imparts cohesiveness to mortar, reduces its flocculation to improve viscosity and shrinkage rate; in ceramic glazes, it acts as a suspending agent and binder, enabling uniform dispersion of pigments in the glaze, and its gelling properties allow for thick coating of the glaze.
Coatings: Applied in coating components such as latex and water-soluble resins, it acts as a film-forming agent, thickener, emulsifier, and stabilizer, endowing coatings with excellent wear resistance, fluidity, leveling property, storage stability, pH stability, and compatibility with metallic pigments.
Others: Mixed with insecticides for seed treatment, it also serves as a binder for fertilizers; it is used in metal surface treatment fluids, such as rust removers, scale removers, sealants, passivators, phosphatizing agents, and various impregnating agents.
The versatility of methylcellulose stems from its unique molecular structure. With the continuous advancement of modification technologies, its properties will be further optimized, and its application fields will be continuously expanded. In the future, as the concept of green environmental protection deepens, methylcellulose derived from natural cellulose will embrace broader development prospects, providing strong support for the transformation and upgrading of multiple industries.
