Dow Global Technolgoies LLC

Xiahua Qui

Phillip Dene Hustad

Yunwa Wilson Cheung

Roger L Kuhlman

Edmund M Carnahan

Colin Li Pi Shan

Lonnie G Hazlitt

Benjamin C Poon

Angela N Taha

Embodiments of the invention provide a class of ethylene/&#x3b1;-olefin block interpolymers. The ethylene/&#x3b1;-olefin interpolymers are characterized by an average block index, ABI, which is greater than zero and up to about 1.0 and a molecular weight distribution, M/M, greater than about 1.3. Preferably, the block index is from about 0.2 to about 1. In addition or alternatively, the block ethylene/&#x3b1;-olefin interpolymer is characterized by having at least one fraction obtained by Temperature Rising Elution Fractionation ('TREF'), wherein the fraction has a block index greater than about 0.3 and up to about 1.0 and the ethylene/&#x3b1;-olefin interpolymer has a molecular weight distribution, M/M, greater than about 1.3.

Ethylene/&#x3b1;-olefins block interpolymers

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Midland, MI, United States of America

Xiahua Qui