| About |
|---|
| VECTOR 4211 Styrene-Isoprene-Styrene (SIS) Block Copolymer SIS(1) triblock copolymer. Contains < 1% diblock copolymer. Medium styrene, high modulus copolymer. Outstanding thermal stability and melt processability. Supplied as a dense pellet, dusted with talc. VECTOR styrenic block copolymers find use under certain regulations as articles or as ingredients in articles intended for food contact or medical applications. Please contact your Dexco Polymers agent for a detailed letter of certification or further information. VECTOR 4211 is a styrene-isoprene-styrene triblock copolymer and is produced via proprietary sequential anionic polymerization technology from Dexco Polymers LP, a Dow/ExxonMobil Venture. It is formulated with the antioxidant TNPP (tris(nonylphenyl) phosphite). It is useful in applications requiring a combination of high modulus and high elasticity. It is also particularly suited for formulating adhesives for disposables that require high cohesive strength, low creep compliance, and low viscosity at low application temperatures.&& |
| Product Description | |
|---|---|
| Generic | SIS |
| Material Status | Commercial: Active |
| Features | Good Rigidity,Excellent Processability,Good flexibility,High elastic,Low Viscosity,Food contact compliance,Inoxidizability,Copolymer,Low to no calcium content,Heat Stabilized,Low temperature strength |
| Availabilitys | North America |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 0.938 | g/cm³ | ASTM D792 |
| Melt Flow Rate | |||
| 200℃,5.0kg | 1.3 | g/10min | ASTM D1238 |
| Solution viscosity | 300 | mPa·s | ASTM D2196 |
| styrene content | 30.0 | wt% | Internal Method |
| Ash Content | 0.2 | % | ASTM D1416 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shore A, 1 second | 62 | ASTM D2240 |
| elastic body | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| Yield, 25 ℃ | 26.2 | MPa | ASTM D412 |
| 300% strain, 25 ℃ | 4.21 | MPa | ASTM D412 |
| Tensile strain | |||
| Fracture, 25 ℃ | 900 | % | ASTM D412 |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| Diblock Content | wt% | Internal Method | |
| volatility | 0.2 | wt% | Internal Method |
| Notes |
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