Single step synthesis of functional multi-block polymer

Details Single step synthesis of functional multi-block polymer Single step synthesis of functional multi-block polymer

2011-03-08

2011-03-08

Mullis, Jeffrey C (Department: 1765)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C525S259000, C525S316000

Reexamination Certificate

active

07902295

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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