The present invention relates to novel compositions comprising anionic block copolymers of mono alkenyl arenes and conjugated {HEAD ~ dienes} where one of {TAIL ~ the blocks} is a controlled distribution copolymer of a conjugated diene and mono alkenyl arene having a specific arrangement of the monomers in the copolymer block, and tailored softening modifiers have a particular structure that results in a surprising improvement in properties for the composition 
The present invention relates to novel compositions comprising anionic block copolymers of mono alkenyl arenes and conjugated { HEAD ~ dienes } where one of { TAIL ~ the blocks } is a controlled distribution copolymer of a conjugated diene and mono alkenyl arene having a specific arrangement of the monomers in the copolymer block , and tailored softening modifiers have a particular structure that results in a surprising improvement in properties for the composition
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