Title:
CATALYST COMPOSITION AND METHOD FOR PREPARING ISOBUTENE-ISOPRENE COPOLYMER BY USING SAME
Document Type and Number:
WIPO Patent Application WO/2022/059990
Kind Code:
A1
Abstract:
The present invention relates to a catalyst composition comprising: an imidazolium ion-based catalyst; and an aluminum-based co-catalyst, and to a method for preparing an isobutene-isoprene copolymer by using same.
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Inventors:
KIM JEONG SIK (KR)
KIM HEE JEONG (KR)
CHOI GYEONG SHIN (KR)
KIM WON HEE (KR)
KIM HEE JEONG (KR)
CHOI GYEONG SHIN (KR)
KIM WON HEE (KR)
Application Number:
PCT/KR2021/012138
Publication Date:
March 24, 2022
Filing Date:
September 07, 2021
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
C08F210/12; C08F4/52; C08F4/54; C08F236/08
Domestic Patent References:
| WO2007020247A2 | 2007-02-22 |
Foreign References:
| KR20160033736A | 2016-03-28 | |||
| KR20130008551A | 2013-01-22 | |||
| US20130178679A1 | 2013-07-11 |
Other References:
VAGEDES, D. ERKER, G. FROHLICH, R.: "Synthesis and structural characterization of [H(OEt"2)"2]^+[(C"3H"3N"2){B(C"6F"5)"3}"2]^--a Bronsted acid with an imidazole-derived 'non-coordinating' anion", JOURNAL OF ORGANOMETALLIC CHEMISTRY, ELSEVIER, AMSTERDAM, NL, vol. 641, no. 1-2, 4 January 2002 (2002-01-04), AMSTERDAM, NL , pages 148 - 155, XP004326732, ISSN: 0022-328X, DOI: 10.1016/S0022-328X(01)01292-X
PETER JUTZI , CHRISTIAN MULLER , ANJA STAMMLER , HANS-GEORG STAMMLER: "Synthesis, Crystal Structure, and Application of the Oxonium Acid [H(OEt2)2]+[B(C6F5)4]", ORGANOMETALLICS, AMERICAN CHEMICAL SOCIETY, vol. 19, no. 7, 1 January 2000 (2000-01-01), pages 1442 - 1444, XP001037590, ISSN: 0276-7333, DOI: 10.1021/om990612w
See also references of EP 4071185A4
PETER JUTZI , CHRISTIAN MULLER , ANJA STAMMLER , HANS-GEORG STAMMLER: "Synthesis, Crystal Structure, and Application of the Oxonium Acid [H(OEt2)2]+[B(C6F5)4]", ORGANOMETALLICS, AMERICAN CHEMICAL SOCIETY, vol. 19, no. 7, 1 January 2000 (2000-01-01), pages 1442 - 1444, XP001037590, ISSN: 0276-7333, DOI: 10.1021/om990612w
See also references of EP 4071185A4
Attorney, Agent or Firm:
BAE, KIM & LEE IP (KR)
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