Dow Global Technolgoies LLC

Zach T Rickaway

Jerzy Klosin

Philip P Fontaine

Ruth Figueroa

Andrew J Young

Susan G Brown

Endre Szuromi

Carl N Iverson

Mehmet Demirors

Mridula Babli Kapur

Chunming Zhang

Hien Q Do

Johnathan E DeLorbe

Tulaza Vaidya

Amy E Floeck (nee Duchnowski)

The invention provides a process to form an olefin-based polymer, said process comprising polymerizing at least one olefin in the presence of at least one catalyst system comprising the reaction product of the following: 

Polymerizations for olefin-based polymers

Embodiments are directed to a metal complex formed, wherein the metal complexes are used as pro-catalyst in polyolefin polymerization and comprise the following structure (Formula (I)). 

Silyl-bridged bis-biphenyl-phenoxy catalysts for olefin polymerization

The instant invention provides a procatalyst comprising a metal-ligand complex of Formula (I): (Formula I), wherein M, X, n, each Z, L, R, Rand Rthrough Rare each described herein. 

Catalyst systems for olefin polymerization

The invention provides a process to form an olefin-based polymer, said process comprising polymerizing at least one olefin in the presence of at least one catalyst system comprising the reaction product of the following: A) at least one cocatalyst; and B) a procatalyst comprising a metal-ligand complex of Formula (I), as described herein: (Formula I). 

The invention provides an ethylene-based polymer comprising the following properties: a) a ZSVR value from 1.2 to 2.6, b) a MWD from 1.5 to 2.8, and c) a tan delta (0.1 rad/s; 190 C) from 5.0 to 50.

Ethylene-based polymers

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Rosharon, TX, United States of America

Zach T Rickaway