Eo Po Block Copolymer Product Description
Eo Po Block Copolymer is a versatile thermoplastic elastomer that combines the properties of ethylene oxide (EO) and propylene oxide (PO) to create a material with excellent flexibility, durability, and chemical resistance. This copolymer is characterized by its unique block structure, which allows for a wide range of applications across various industries. The EO segments provide hydrophilicity and elasticity, while the PO segments contribute to the material’s strength and thermal stability.
This copolymer is available in various grades, each tailored to meet specific performance requirements. It is often used in applications where a combination of rubber-like elasticity and thermoplastic processability is essential. Eo Po Block Copolymer is particularly valued in the production of adhesives, sealants, coatings, and flexible molded parts.
Key Features:
- Excellent Flexibility: Maintains elasticity over a wide temperature range.
- Chemical Resistance: Resistant to oils, greases, and many solvents.
- Thermal Stability: Can withstand high temperatures without degrading.
- Easy Processing: Can be easily molded, extruded, or blended with other materials.
Common Uses:
- Adhesives and sealants
- Coatings and paints
- Flexible molded parts
- Medical devices
- Automotive components
- Consumer goods
Technical Data
| Property | Value |
|---|---|
| Molecular Weight | 20,000 – 100,000 g/mol |
| Hard Segment Content | 30% – 50% |
| Tensile Strength | 10 – 25 MPa |
| Elongation at Break | 300% – 800% |
| Shore Hardness | 60A – 90A |
| Glass Transition Temp (Tg) | -60°C to -20°C |
| Processing Temperature | 180°C – 230°C |
| Density | 0.9 – 1.1 g/cm³ |
| Water Absorption | 0.1% – 1.0% |
| Thermal Conductivity | 0.2 – 0.3 W/m·K |
Advantages:
- Versatile Applications: Suitable for a wide range of industries.
- Customizable Properties: Different grades available for specific needs.
- Sustainability: Can be formulated to be more environmentally friendly.
Conclusion
Eo Po Block Copolymer is a highly adaptable material that meets the demands of modern manufacturing and product design. Its unique properties make it an ideal choice for applications requiring both flexibility and durability, ensuring that it remains a popular choice across various sectors.