100% Triblock hydrogenated styrene-isoprene-styrene block copolymer adhesive composition
AssigneeShell Oil Company
InventorsJeffrey G. Southwick, Earle E. Ewins, Jr., David J. St. Clair
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Abstract
A predominantly linear 100% triblock sequentially polymerized hydrogenated styrene-isoprene-styrene block copolymer composition comprised of linear polymeric blocks for use in adhesives, modified thermoplastic compositions and mechanical goods.
Claims3
A linear 100% triblock sequentially polymerized hydrogenated styrene-isoprene-styrene block copolymer containing essentially no diblock and comprised of linear polymeric blocks wherein the styrene content is 18% by weight, the styrene block molecular weight is from 5600 to 6000 and the residual unsaturation content in the polydiene block is less than 20%.
Dependencies are inferred from the claim text.