Braskem S.a.

Marcia Pires Fortes Ferreira

Adriane Gomes Simanke

Mariele Kaipers Stocker

Cristóvão De Lemos

Methods may include modifying the crystallization properties of a polymer composition including a polyolefin and a nucleating agent with the structure:

Nucleated polyolefin compositions and methods and uses thereof

Methods may include modifying the crystallization properties of a polymer composition including a polyolefin and a nucleating agent with the structure: wherein R1 and R2 are independently selected from hydrogen, alkyl, alkenyl, or aryl, wherein the alkyl, alkenyl, or aryl may be substituted with one or more carboxylate groups and M is a metal selected from Group I of the Periodic Table; or wherein R1 and R2 are independently hydrogen, alkyl, alkenyl, or aryl with the proviso that at least one of R1 or R2 is a carbon chain having 1 to 12 carbons with at least one of the carbons in the carbon chain covalently bound to the polyolefin, and wherein the alkyl, alkenyl, or aryl may be substituted with one or more carboxylate groups; and M is a metal selected from Group I of the Periodic Table.

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São Paulo, Brazil

Marcia Pires Fortes Ferreira