IPDI
IPDI: The High-Performance Isocyanate for Industrial Applications
IPDI (Isophorone Diisocyanate) is a premium aliphatic diisocyanate known for its exceptional durability and chemical resistance. Widely used in polyurethane coatings, adhesives, and elastomers, IPDI delivers superior performance in demanding environments.
Key Product Specifications
- Chemical Name: Isophorone Diisocyanate
- CAS Number: 4098-71-9
- Molecular Formula: C12H18N2O2
- Molecular Weight: 222.28 g/mol
- Appearance: Colorless to pale yellow liquid
- Purity: ≥99.5%
Technical Parameters
| Parameter | Value |
|---|---|
| NCO Content | 37.5-38.0% |
| Viscosity at 25°C | 15-25 mPa·s |
| Density at 20°C | 1.06 g/cm3 |
| Flash Point | 155°C (PMCC) |
| Boiling Point | 158°C at 10 mmHg |
IPDI Applications
IPDI is the preferred choice for numerous industrial applications due to its outstanding properties:
- High-performance polyurethane coatings for automotive and aerospace
- Weather-resistant adhesives for construction materials
- Elastomers requiring excellent mechanical properties
- UV-stable coatings for outdoor applications
IPDI Storage and Handling
Proper storage conditions for IPDI include:
- Store in cool, dry, well-ventilated area
- Keep containers tightly sealed
- Maintain temperature below 30°C
- Use nitrogen blanket for prolonged storage
IPDI FAQ Section
Q: What makes IPDI different from other isocyanates?
A: IPDI stands out due to its aliphatic structure, which provides superior UV resistance and color stability compared to aromatic diisocyanates. Its unique chemical structure offers excellent mechanical properties and chemical resistance, making it ideal for high-performance applications where durability is critical.
Q: What safety precautions should be taken when handling IPDI?
A: Always use appropriate PPE including chemical-resistant gloves, safety goggles, and respiratory protection when handling IPDI. Work in well-ventilated areas or use local exhaust ventilation. Avoid skin contact and inhalation of vapors. Store away from moisture, heat, and incompatible materials like alcohols, amines, and strong bases.
Q: How does IPDI perform in extreme weather conditions?
A: IPDI-based polyurethanes demonstrate exceptional performance in extreme weather. They maintain flexibility in cold temperatures (as low as -40°C) and resist degradation at high temperatures (up to 120°C continuous service). The UV stability of IPDI formulations prevents yellowing and maintains mechanical properties even after prolonged outdoor exposure.
IPDI Comparison with Other Isocyanates
| Property | IPDI | HDI | TDI |
|---|---|---|---|
| Weather Resistance | Excellent | Excellent | Poor |
| Viscosity | Medium | Low | Medium |
| Reactivity | Moderate | High | High |
| Color Stability | Excellent | Excellent | Poor |
Why Choose IPDI?
IPDI offers numerous advantages for industrial applications:
- Superior weatherability for outdoor applications
- Excellent chemical resistance to solvents and acids
- Low yellowing tendency compared to aromatic isocyanates
- Good mechanical properties in final products
- Moderate reactivity allows better process control
IPDI Market Applications
IPDI serves critical roles in multiple industries:
- Automotive: Clearcoats, plastic coatings
- Aerospace: High-performance coatings
- Construction: Weather-resistant sealants
- Marine: Antifouling coatings
- Industrial: Protective coatings
IPDI Technical Support
Our technical team provides comprehensive support for IPDI applications including:
- Formulation assistance
- Curing process optimization
- Troubleshooting guidance
- Performance testing recommendations