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