Modified block copolymer process

C - Chemistry – Metallurgy – 08 – F

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400/2002

C08F 8/04 (2006.01) C08F 297/00 (2006.01)

Patent

CA 1260173

ABSTRACT Process for the production of a thermally stable modi- fied selectively hydrogenated high 1,2 content block copolymer wherein a functional group is grafted to the block copolymer in the vinylarene block. The copolymers produced according to the process of the invention have excellent appearance characteristics and mechanical properties and are particularly useful in blending with other polymers obtained by modifying a block copolymer composed of a conjugated diene compound and an aromatic vinyl compound with a functional group.

513446

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