Title:
DOUBLE METAL CYANIDE CATALYST, METHOD FOR PRODUCING SAME, AND METHOD FOR PREPARING POLYALKYLENE CARBONATE BY USING SAME CATALYST
Document Type and Number:
WIPO Patent Application WO/2023/038406
Kind Code:
A1
Abstract:
The present invention relates to a double metal cyanide catalyst, which has high catalytic activity and can increase the proportion of repeating units containing carbon dioxide in a polyalkylene carbonate to be prepared, a method for producing same, and a method for preparing a polyalkylene carbonate by using the catalyst, wherein the catalyst comprises a double metal cyanide compound and a complexing agent, the complexing agent being a compound represented by chemical formula 1.
Inventors:
LEE SEUNG HEE (KR)
KIM SANG WOO (KR)
KIM SANG KOOK (KR)
SHIN BO RA (KR)
PARK NO JIN (KR)
KIM SANG WOO (KR)
KIM SANG KOOK (KR)
SHIN BO RA (KR)
PARK NO JIN (KR)
Application Number:
PCT/KR2022/013375
Publication Date:
March 16, 2023
Filing Date:
September 06, 2022
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
B01J27/26; B01J37/00; B01J37/06; B01J37/08; C08G64/20; C08G64/34
Foreign References:
| KR20040029087A | 2004-04-03 | |||
| CN107868239A | 2018-04-03 | |||
| KR20190123759A | 2019-11-01 | |||
| KR101640557B1 | 2016-07-18 | |||
| KR20130102588A | 2013-09-17 |
Other References:
WU LI-CHUAN, YU AI-FANG, ZHANG MIN, LIU BAO-HUA, CHEN LI-BAN: "DMC catalyzed epoxide polymerization: Induction period, kinetics, and mechanism", JOURNAL OF APPLIED POLYMER SCIENCE, JOHN WILEY & SONS, INC., US, vol. 92, no. 2, 15 April 2004 (2004-04-15), US , pages 1302 - 1309, XP093045432, ISSN: 0021-8995, DOI: 10.1002/app.20089
Attorney, Agent or Firm:
BAE, KIM & LEE IP (KR)
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