Single step synthesis of functional multi-block polymer
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United States of America Patent
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Mar 8, 2011
Grant Date -
Feb 9, 2006
app pub date -
Aug 3, 2005
filing date -
Aug 5, 2004
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Abstract
The inventive composition includes a block copolymer which includes four blocks and has the following block arrangement: B-S-B-S. The two polymer blocks B comprise conjugated diene monomer constitutional units; and the two polymer blocks S comprise vinyl aromatic hydrocarbon monomer constitutional units. The invention also includes methods of making such inventive compositions as well as asphalt compositions and/or thermoplastic elastomers which include such block copolymer.
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