VECTOR 4113A is a blend of a linear triblock copolymer (SIS) and a diblock (SI) copolymer. The SI diblock is about half the molecular weight of the SIS triblock. The SIS/SI blend is a very soft copolymer due its low styrene content. It is design for use in pressure sensitive applications such as tapes and labels. It also has outstanding melt processibility.

Like VECTOR 4113A, VECTOR 4114A is also a blend of SIS triblock and SI diblock with the same styrene content. However, its SI diblock concentration is much higher than Vector 4113A (42% range) resulting in a softer, lower viscosity, lower modulus copolymer suitable for pressure sensitive label applications requiring good die-cuttability. These properties are also very useful in modifying the modulus properties of olefinic polymers.

VECTOR 4211A is a linear, pure triblock copolymer. It has a higher styrene content than VECTOR 4111A, thus providing higher modulus as well as creep and heat resistance. These attributes are very useful in designing film and compounds with high elasticity. The properties of VECTOR 4211 are also particularly suited in formulating adhesives for disposables that require high cohesive strength, low creep compliance, and low viscosity at low application temperatures.

VECTOR 4215A is a blend of SIS triblock and SI diblock copolymer with higher styrene (30%) and slightly lower diblock content. Its higher styrene content leads to higher modulus, higher temperature end-use, and enhanced creep resistance. It is designed for use in hot melt adhesive applications such as disposable adhesives requiring superior cohesive strength and heat resistance along with low creep compliance.

VECTOR 4230 is a styrene-isoprene radial copolymer with a styrene content centered at 20.5%. It is made with a patented coupling process that yields a polymer primarily with a 4-arm radial architecture. The process also has the flexibility to target a wide range of coupling efficiency, with that of VECTOR 4230 targeted at 70%, i.e., 30% diblock. The radial structure provides viscosity shear thinning as well as higher modulus, cohesive strength, and heat resistance versus linear SIS/SI with comparable styrene content and MFR. The properties of VECTOR 4230 are ideally suited for pressure sensitive applications requiring high strength, low viscosity, and easy melt processing.

VECTOR 4411A is a linear, pure SIS triblock with the highest styrene content of our SIS gradeslate. It has high modulus, enhanced creep resistance, low viscosity, and superior heat resistance. It is also the hardest and least elastic of the SIS family of products. It is a high performance, flexible thermoplastic polymer that can be blended with medium or low styrene SIS and/or SBS copolymers to improve cohesive strength. It is designed for use as a compatibilizer in styrenic/olefinic blends. It is a powerful formulating tool in hot melt adhesives that can benefit for its unique attributes.