Unhydrogenated block copolymer compositions

Details Unhydrogenated block copolymer compositions Unhydrogenated block copolymer compositions

2006-03-24

2010-12-28

Robago, Roberto (Department: 1762)

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

C525S088000, C525S089000, C525S098000, C525S099000, C525S242000

Reexamination Certificate

active

07858693

ABSTRACT:
The present invention relates to novel compositions comprising (a) anionic block copolymers having at least two blocks of a mono alkenyl arene and at least one block of a conjugated diene and mono alkenyl arene having a specific arrangement of the monomers in the copolymer block, and (b) tailored softening modifiers have a particular structure that results in a surprising improvement in properties for the composition. Also included are processes for the manufacturing such novel compositions and various end-uses and applications for such compositions.

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