Title:
DEPOLYMERIZATION CATALYST OF POLYMER COMPRISING ESTER FUNCTIONAL GROUP, AND DEPOLYMERIZATION METHOD USING SAME
Document Type and Number:
WIPO Patent Application WO/2022/060153
Kind Code:
A1
Abstract:
The present invention relates to a method for depolymerizing a polymer comprising an ester functional group, a catalyst therefore, and a composition and, more particularly, to a method for depolymerizing a polymer comprising an ester functional group by using potassium carbonate (K2CO3) as a polymer depolymerization catalyst and using alcohol and a polar aprotic solvent, and to a composition therefor.
Inventors:
CHO JOUNGMO (KR)
PHAM DINH DUONG (KR)
LE THI HONG NGAN (KR)
PHAM DINH DUONG (KR)
LE THI HONG NGAN (KR)
Application Number:
PCT/KR2021/012774
Publication Date:
March 24, 2022
Filing Date:
September 17, 2021
Export Citation:
Assignee:
KOREA RES INST CHEMICAL TECH (KR)
International Classes:
C08J11/10; C07C67/40; C07C67/56; C07C69/82; C08J11/16; C08J11/24
Foreign References:
| KR20200093525A | 2020-08-05 | |||
| JP2004323378A | 2004-11-18 | |||
| JP2008088096A | 2008-04-17 | |||
| KR20060127925A | 2006-12-13 | |||
| KR20180027539A | 2018-03-14 | |||
| JPH10278841A | 1998-10-20 | |||
| KR20200093525A | 2020-08-05 | |||
| US8309618B2 | 2012-11-13 |
Other References:
PHAM DUONG DINH, CHO JOUNGMO: "Low-energy catalytic methanolysis of poly(ethyleneterephthalate)", GREEN CHEMISTRY, ROYAL SOCIETY OF CHEMISTRY, GB, vol. 23, no. 1, 18 January 2021 (2021-01-18), GB , pages 511 - 525, XP055912533, ISSN: 1463-9262, DOI: 10.1039/D0GC03536J
Attorney, Agent or Firm:
GHONG-GAN INTERNATIONAL PATENT LAW FIRM (KR)
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