Optimized liquid formulation: It appears as a light yellow transparent liquid with a viscosity of 1000-6000mPa.s at 25℃, easy to add and disperse, no need for grinding, pre-dissolution and other complex pretreatment, and can be directly added to the production system.
Excellent solubility and compatibility: Soluble in polyester polyols and most organic solvents at 20℃, easily soluble in water. It has excellent compatibility with polyurethane, polyester and biodegradable material systems, no precipitation, no delamination, no agglomeration, and does not affect the original processing fluidity of the material.
High-efficiency anti-hydrolysis activity: The effective carbodiimide content is more than 6%, and the high-density active -N=C=N- functional groups can accurately capture and block the active terminal carboxyl groups of polyester materials, fundamentally block the autocatalytic hydrolysis chain reaction, and effectively inhibit the hydrolysis aging of materials.
Molecular chain repair function: While inhibiting hydrolysis, it can repair the damaged molecular chains of polyester and polyurethane materials, restore the molecular weight and mechanical properties of the polymer, and stabilize the initial mechanical properties of the product for a long time.
Long-term harsh condition resistance: It can significantly extend the service life of polymer products under harsh working conditions such as high temperature and high humidity, with excellent thermal stability, no decomposition and no volatilization during high-temperature processing.
| Chemical Name： | Polymeric Carbodiimide |
| CAS NO.： | 197098-60-5 |
| Appearance： | Light yellow transparent liquid |
| Viscosity (25℃)： | 1000-6000mPa.s |
| Solubility (20℃) | Soluble in polyester polyols and most organic solvents, easily soluble in water |
| Carbodiimide Content： | >6% |
| Shelf Life： | ≥12 months under sealed and dry conditions |
Easy processing and operation: The liquid form has excellent fluidity, can be accurately metered and added, adapts to automated continuous production lines, avoids the dust pollution problem of powder anti-hydrolysis agents, and meets the requirements of clean production.
Wide system adaptability: It is compatible with both solvent-based and water-based systems, and can be widely used in polyurethane, polyester, biodegradable materials and other systems, with strong versatility, no need to adjust the original production process of customers.
Dual-effect performance enhancement: It has both terminal carboxyl blocking and broken chain repair functions, which not only prevents hydrolysis in advance, but also repairs the performance degradation caused by hydrolysis, achieving "pre-protection + post-repair" full-process protection.
High cost performance: Stable active content, low addition amount can achieve significant anti-hydrolysis effect, optimize the formula cost, and avoid the high cost of imported similar products.
Excellent storage stability: Sealed storage under normal temperature conditions, the product performance is stable for a long time, no stratification, no gelation, no activity decay, and the shelf life is more than 12 months.
One-stop solution to the hydrolysis aging problem of ester-based polymer materials, stabilize the mechanical properties of products, extend the service life by 3-7 times, reduce the after-sales cost and product replacement frequency for manufacturers.
The liquid formulation is easy to add, no need to change the original production process, reduce the production adaptation cost and labor input, improve production efficiency, and reduce the loss rate of defective products.
Help manufacturers meet the strict performance requirements of high-end products, and pass the global environmental protection certification and product performance testing standards, suitable for international buyers' procurement needs for high-performance polymer materials.
Improve the stability and durability of products in high temperature, high humidity, outdoor and other harsh working conditions, enhance the core competitiveness of products in the market, and expand the application scenarios of products.
Polyurethane Synthetic Leather Systems: Water-based and solvent-based polyurethane synthetic leather slurry, artificial leather, super fiber materials, luggage and footwear leather fabrics, furniture sofa leather coating systems
Polyurethane Elastomer Systems: TPU products, CPU casting elastomers, MPU elastomers, including shoe materials, automotive interiors, industrial cable sheaths, hydraulic seals, sports equipment, high-end elastic products
Biodegradable Material Systems: PLA, PBAT, PHA and other biodegradable materials, including food packaging films, agricultural mulch films, disposable tableware, biodegradable injection products, composite materials
Other Applicable Systems: Polyester polyol systems, polyurethane adhesives, water-based coatings and inks, textile finishing agents, polyester engineering plastics modification and other ester-based material systems.
Packaging Specifications: Conventional 25KG food-grade plastic drums, 200KG iron-lined plastic drums, 1000KG IBC ton drums, customized packaging specifications are available according to customer needs
Storage Requirements: It should be stored in a sealed, cool, dry and ventilated warehouse, avoid direct sunlight, high temperature and high humidity environment, to prevent moisture intrusion and active functional group loss. The shelf life of the product is ≥12 months under sealed original conditions.
