VECTOR® 4461

About
VECTOR 4461 Styrene-Butadiene-Styrene (SBS) Block Copolymer SBS(1) triblock copolymer. Contains <1% diblock copolymer. High styrene, high melt flow block copolymer. Supplied as a porous 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 4461 linear, pure SBS block copolymer 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 has the lowest elasticity of the SBS family of products while providing high modulus, low creep resistance, excellent cohesive strength, and good melt processability. It is particularly suited for hot melt adhesives requiring high strength and low viscosity.&&

Product Description
GenericSBS
Material StatusCommercial: Active
FeaturesGood Rigidity,Excellent Processability,Good flexibility,High liquidity,Low Viscosity,Porous,Food contact compliance
AvailabilitysNorth America

Technical Data
PHYSICALNominal valueUnitTest method
Density0.958g/cm³ASTM D792
Melt Flow Rate
200℃,5.0kg2.3g/10minASTM D1238
Solution viscosity850mPa·sASTM D2196
styrene content43.0wt%Internal Method
Ash Content0.5%ASTM D1415

MECHANICALNominal valueUnitTest method
Shore hardness
Shore A, 1 second87ASTM D2240

elastic bodyNominal valueUnitTest method
tensile strength
Yield, 25 ℃31.0MPaASTM D412
300% strain, 25 ℃8.27MPaASTM D412
Tensile strain
Fracture, 25 ℃700%ASTM D412

Supplementary informationNominal valueUnitTest method
Diblock Contentwt%Internal Method
volatility0.4wt%Internal Method

Notes
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