Modified conjugated diene-vinyl aromatic copolymer and method for manufacturing the same
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United States of America Patent
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Jan 29, 2013
Grant Date -
Jul 5, 2012
app pub date -
Dec 29, 2011
filing date -
Dec 31, 2010
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Abstract
A modified conjugated diene-vinyl aromatic copolymer and a method for manufacturing the same are provided. The modified conjugated diene-vinyl aromatic copolymer is formed by modifying a conjugated diene-vinyl aromatic copolymer by reacting with a first modifier in a solvent and then reacting with a second modifier. The solvent contains an organic alkali metal initiator. The first modifier is expressed as chemical formula (I):
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