Title:
METHOD FOR PRODUCING DIENE-BASED RUBBERY POLYMER, AND METHOD FOR PRODUCING GRAFT POLYMER COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2023/140586
Kind Code:
A1
Abstract:
The present invention relates to a method for preparing a diene-based rubbery polymer, the method comprising the steps of: initiating the polymerization of monomers in the presence of a coordinating metal catalyst; and introducing a radical initiator and carrying out the polymerization of the monomers when the polymerization conversion rate is 20% to 75%, wherein the monomers are diene-based monomers, or diene-based monomers and vinyl aromatic monomers.
Inventors:
KIM KI HYUN (KR)
JEONG YOUNG HWAN (KR)
JEONG YOUNG HWAN (KR)
Application Number:
PCT/KR2023/000779
Publication Date:
July 27, 2023
Filing Date:
January 17, 2023
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
C08F236/10; C08F2/04; C08F4/32; C08F4/70; C08F279/04
Foreign References:
| US3497488A | 1970-02-24 | |||
| KR20180047747A | 2018-05-10 | |||
| KR20170065024A | 2017-06-12 | |||
| KR20190046517A | 2019-05-07 | |||
| JP2009108255A | 2009-05-21 |
Other References:
KORTHALS BRIGITTE, BERKEFELD ANDREAS, AHLMANN MARTIN, MECKING STEFAN: "Catalytic Polymerization of Butadiene in Aqueous Systems with Cationic Nickel(II) Complexes", MACROMOLECULES, AMERICAN CHEMICAL SOCIETY, US, vol. 41, no. 22, 25 November 2008 (2008-11-25), US , pages 8332 - 8338, XP093079786, ISSN: 0024-9297, DOI: 10.1021/ma8016579
Attorney, Agent or Firm:
BAE, KIM & LEE IP (KR)
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