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Improving Tack, Elongation & Peel in Hot Melt Styrene Block Copolymer Adhesives

SpecialChem / Andy Extance – Mar 7, 2012

Sometimes, innovations emerge that force existing guidelines for formulating adhesives to be rethought. The principles, abilities and limitations of using styrene block copolymers (SBCs) in hot melt adhesives are well-known. But could it be possible that thinking beyond standard block copolymer architectures can provide additional capabilities to those delivered by traditional polymers and additives? SBC hot-melt adhesives rely on these copolymers' structure of rubbery mid-blocks connected by hard polystyrene end blocks that untangle and melt at raised temperatures

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