Mixture of conjugated diene—vinyl aromatic hydrocarbon copolymers and adhesive composition having the same
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United States of America Patent
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Jun 11, 2013
Grant Date -
Jun 23, 2011
app pub date -
Apr 28, 2010
filing date -
Dec 17, 2009
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Abstract
The present invention provides a mixture of conjugated diene-vinyl aromatic hydrocarbon copolymers and an adhesive having the same. The mixture of conjugated diene-vinyl aromatic hydrocarbon copolymers comprises 10 to 45 wt. % of a conjugated diene-vinyl aromatic hydrocarbon di-block copolymer, 10 to 45 wt. % of a conjugated diene-vinyl aromatic hydrocarbon tapered di-block copolymer and 10 to 80 wt. % of a conjugated diene-vinyl aromatic multi-block copolymer.
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