BR
The BR family of polybutadiene rubber helps optimize tire compositions, improving grip, fuel economy, and overall lifetime. They provide a great balance between processability and performance.
SOLUTION-STYRENE BUTADIENE RUBBERS (S-SBR)
ARLANXEO produces a broad portfolio of Solution-Styrene Butadiene Rubbers under the brand name BUNA®. Solution-Styrene Butadiene Rubber (S-SBR) is a copolymer of styrene and 1,3-butadiene produced via an anionic polymerization in a solution process.
Solution SBR's are the first choice to produce high performance tire tread compounds, particularly for silica filled tire treads for low rolling resistance tires and for the high-performance sector.
ARLANXEO can offer a broad portfolio of different types of S-SBRs with a wide range in microstructure (vinyl/styrene), varied types of coupling, adjusted glass transition temperature (Tg), targeted functionalization’s and Mooney viscosity values.
LOW VINYL SOLUTION STYRENE-BUTADIENE RUBBER (BUNA® SL)
The low vinyl content provides a low Tg which gives an excellent low temperature flexibility, abrasion resistance and low rolling resistance. The products marketed under the name BUNA® SL are typically used to produce tires and molded technical parts.
SOLUTION STYRENE-BUTADIENE RUBBER BLOCK POLYMER (BUNA® BL)
BUNA® BL grades present a high content of block styrene that makes these polymers a good choice for the manufacturing of shoes soles with increased hardness without sacrificing abrasion resistance.
SOLUTION VINYL STYRENE-BUTADIENE RUBBER (BUNA® VSL)
Solution vinyl styrene butadiene rubbers have a modified microstructure with a higher vinyl content, resulting in a higher Tg for an excellent balance of important properties in tire compounds like handling, traction and rolling resistance. The products marketed under the name BUNA® VSL are widely used in passenger tire tread formulations and in particular, high performance tire treads.
FUNCTIONALIZED SOLUTION VINYL STYRENE-BUTADIENE RUBBER (BUNA® FX)
The BUNA® FX is a family of high-performance Solution-Styrene Butadiene Rubbers (S-SBR). The BUNA® FX grades are functionalized with polar end-groups to increase the interaction with silica fillers reducing the rolling resistance of the tire.
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