Back to results
US 2024/0254263 A1Published application
Polyethylene Manufacturing Process
AssigneesSK Innovation Co., Ltd., SK Geo Centric Co., Ltd.
InventorsMaeng Sun Eo, Mun Hyung Kang, Hye Rin Choi
Life of this patent
Estimating the term…
Abstract
Provided is a polyethylene manufacturing which is a manufacturing process of supplying a first mixed solution including a monomer, a solvent, and a scavenger and a second mixed solution including a Ziegler-Natta unsupported catalyst and a solvent to a continuous reactor to perform polymerization at a high temperature of 200° C. or more, and may solve a problem of an increase in an added catalyst amount during operation for a long time while having excellent catalytic activity is provided.
Claims11
A polyethylene manufacturing process comprising:
- supplying a first mixture comprising a monomer comprising ethylene, a solvent, and a scavenger to a continuous stirring type reactor through a first line;
- supplying a second mixture comprising a Ziegler-Natta unsupported catalyst to the continuous stirring type reactor through a second line;
- and
- manufacturing a polyethylene polymer in the continuous stirring type reactor,
- wherein a polymerization temperature T of the continuous stirring type reactor is 200° C. or higher.
2 more elements
Dependencies are inferred from the claim text.