Isotactic 3, 4-isoprene-based polymer
AssigneeRiken
InventorsZhaomin Hou, Lixin Zhang
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Abstract
The present invention provides 3,4-isoprene-based polymer with high regioregularity, in particular high tacticity. Specifically, the present invention provides an isoprene-based polymer, including a structural unit represented by Formula (I) in Claims, wherein the isotacticity of an arrangement of the structural units is 99% mmmm or more in terms of pentad content. Further, the present invention provides a production method for the isoprene-based polymer, which comprises polymerizing an isoprene-based compound in the presence of a polymerization catalyst containing a complex represented by the following Formula (A) in Claims.
Claims8
An isoprene-based polymer including a structural unit represented by Formula (I):
- wherein R1 represents an alkyl group having 1 to 10 carbon atoms or an alkenyl group having 1 to 10 carbon atoms,
- wherein the isotacticity of an arrangement of the structural units is 60% mm or more in terms of triad content.
Dependencies are inferred from the claim text.