New SBC formulations combine lower VOC and cost savings for contact adhesives

21-Apr-09
Leading styrenic block copolymer producer Kraton Polymers LLC has unveiled a series of new formulations -- Kraton D and Kraton G grades -- designed to support lower Volatile Organic Compound (VOC) requirements and reduce costs associated with contact adhesives. According to the company, due to unique structure of the SBCs the new formulations provides key advantages to formulators; the end block enables cohesion, good load bearing properties and temperature resistance, while the center block promotes adhesion and elongation. Kraton Polymers offers several product grades that can be tailored to work with higher solid content vs. conventional polychloroprene (PCR) without sacrificing lower viscosities needed for sprayability, roll coating or brushing. In addition, Kraton polymers are available in pellet form, they are easy to handle and offer rapid dissolution into high solid formulations. Kraton D1175BT polymer features a tailored structure which translates into a wider formulating window and supports sprayable /low VOC contact adhesives. In addition, Kraton D1155BJ, D1162 and D1164 polymers are highly suitable for lower cost formulations as well as enhanced compatibility with VOC exempt polar solvents. Kraton G polymers provide increased adhesion for high performance applications where a combination of long-term thermal stability and compatibility with lower VOC solvents are required. Kraton G1726 polymer and Kraton FG1901 polymer are exclusive grades that can assist formulators who need even lower viscosity and compatibility with more polar VOC exempt solvents.
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