SINGLE STEP SYNTHESIS OF FUNCTIONAL MULTI-BLOCK POLYMER

摘要

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. FIG. 1