Process for the production of multimodal ethylene-based polymers

Abstract

Embodiments of a method of producing a multimodal ethylene-based polymer comprising a first catalyst and a second catalyst in a first solution polymerization reactor and a third catalyst in a second solution polymerization reactor.

Description

[0001] Cross references to related applications [0002] This application claims priority to U.S. Provisional Application Serial No. 62 / 610,384 filed on December 26, 2017, which is incorporated herein by reference in its entirety. Technical field [0003] The embodiments of the present disclosure generally relate to methods for producing multimodal ethylene polymers, and more specifically, to systems and methods for producing multimodal ethylene polymers. Background technique [0004] Historically, the production of multimodal ethylene polymers has been performed by a process using a single reactor with a single catalyst or a dual reactor with dual catalysts. In most methods used to produce multimodal ethylene polymers, process control remains a major challenge. At present, direct sampling and analysis to determine a single component is the only option to control the multi-component structure. Such methods result in inherent delays and ineffective real-time process control. Summa...

AI Technical Summary

Problems solved by technology

Such approaches lead to inherent delays and ineffective real-time process control

Images