Dow Global Technolgoies LLC

Dow Brasil Sudeste Industrial Ltda

Michael E Bishop

Otto J Berbee

Sarat Munjal

Cornelis J F Hosman

Joaquin Flores

Sergio E Goncalves

Luiz Rodriguez

A process to form an ethylene-based polymer, said process comprising at least the following: polymerizing a mixture comprising ethylene, in the presence of at least one free-radical initiator, and in a reactor configuration comprising at least three reaction zones and at least two ethylene feed streams; and wherein the inlet pressure of the first reaction zone is less than, or equal to, 3200 Bar; and wherein the amount of ethylene, and optionally one or more comonomers, and optionally one or more CTAs, fed to the first reaction zone is from 40 mole % to 80 mole %, based on the total moles of ethylene, and optionally one or more comonomers, and optionally one or more CTAs, fed to the polymerization; and wherein the average polymerization temperature of the first 40 wt % polymer formed (APT) (based on the total amount of polymer formed) is less than, or equal to, 200&#xb0; C.

High pressure, free radical polymerizations to produce ethylene-based polymers

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Rosharon, TX, United States of America

Michael E Bishop