CMC-NH₄ Ammonium Carboxymethyl Cellulose Eliminates Alkali Metal Poisoning and Improves Finished Product Yield with Ash Content <0.5
CMC-NH₄ is a specialized binder for SCR denitrification carriers in honeycomb ceramics. The product is free of alkali metal ions, effectively preventing poisoning of catalyst active sites. It possesses excellent adhesion and plasticity, improving the rheological properties of the clay, enhancing green body strength, and reducing the risk of cracking during molding and drying. It decomposes completely under high-temperature calcination, with low ignition residue, and will not clog the microporous structure of the carrier, ensuring stable denitrification catalytic performance. It is suitable for large-scale production of cordierite honeycomb ceramics.
- Solubility: Readily soluble in water, aqueous alkali, and ammonia solutions
- Ash-Free Thermal Behavior: Decomposes cleanly upon heating without leaving alkaline metal residues (avoiding alkali metal deactivation)
- Thermal Crosslinking: Can transition into a water-insoluble form under specific thermal processing due to the release of ammonia and subsequent structural changes
- Enhanced Adhesion: Offers strong binding performance and film-forming capabilities
- Advanced Catalysts: Widely used as a special-purpose adhesive/binder in high-quality Selective Catalytic Reduction (SCR) denitrification catalysts to prevent alkali metal poisoning
- Lithium-Ion Batteries: Employed as an eco-friendly, high-performance aqueous binder for cathode materials to improve cycling stability and capacity retention
- Specialized Ceramics & Metallurgy: Utilized where ash-free burnout is required during firing or sintering processes
| Model | LY-002 | |
|---|---|---|
| Item | Details | Measured Value |
| Visual Appearance | white or slightly yellow powder | complies with |
| Viscosity (B type in 1% aqueous solution) | 100-300 | 147 |
| pH | 5-8 | 7.1 |
| Losses on drying (%) | 10-20 | 16.0 |
| Ash content (w%) | <0.5 | 0.31 |
Shanghai Prior Chemical Scientific and Technical Co., LTD.
(Grade A Taxpayer | Established 2016)
- Specialty Chemicals: CMC-NH4, Ethyl Cellulose, Red Base KD, 2-Ethylhexyl Nitrate
- Manufacturing: Integrated Nail Fasteners (Annual capacity: 1 billion units)
- Joint Venture: CMC-NH4 Cellulose Production
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