Title:
エチレンコポリマーを調製する方法
Document Type and Number:
Japanese Patent JP6709160
Kind Code:
B2
Abstract:
A polymer comprising:polyethylene formed:in a polymerization reactor via a polymerization catalyst system comprising a first catalyst and a second catalyst; andby adjusting operating conditions of the polymerization reactor and an amount of the second catalyst fed to the polymerization reactor to control melt index (MI) and density of the polyethylene based on a target melt flow ratio (MFR) and a desired MWD and CD combination.
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Inventors:
Francis sea lixs
Chin-Thai Liu
Jeff Harlan See
Laughlin G. McCraw
Chin-Thai Liu
Jeff Harlan See
Laughlin G. McCraw
Application Number:
JP2016550624A
Publication Date:
June 10, 2020
Filing Date:
February 10, 2015
Export Citation:
Assignee:
Univations Technologies LLC
International Classes:
C08F4/6592; C08F210/02
Domestic Patent References:
| JP2004521158A | ||||
| JP2004536184A | ||||
| JP2013520556A |
Foreign References:
| US20020107342 | ||||
| US20030088038 |
Attorney, Agent or Firm:
Hiroshi Kobayashi
Eiji Katayama
Norio Omori
Tsukasa Iguchi
Yasuhito Suzuki
Eiji Katayama
Norio Omori
Tsukasa Iguchi
Yasuhito Suzuki