Title:
MONOMER COMPOSITION FOR SYNTHESIZING RECYCLED PLASTIC, METHOD FOR MANUFACTURING SAME, AND RECYCLED PLASTIC AND MOLDED PRODUCT USING SAME
Document Type and Number:
WIPO Patent Application WO/2023/200245
Kind Code:
A1
Abstract:
The present invention relates to a monomer composition for synthesizing a recycled plastic, a manufacturing method therefor, and a recycled plastic and a molded product which use same, wherein the monomer composition includes an aromatic diol compound, has a ratio of aromatic diol compound derivative impurities of 2% or less according to formula 1 and a yield of aromatic diol compounds of 80% or higher according to formula 2, and is recovered from polycarbonate resins.
Inventors:
PARK JUN BEOM (KR)
LEE HYUNYOUNG (KR)
KIM HYUN CHEOL (KR)
LEE HYUNYOUNG (KR)
KIM HYUN CHEOL (KR)
Application Number:
PCT/KR2023/004931
Publication Date:
October 19, 2023
Filing Date:
April 12, 2023
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
C08J11/18; C07C37/00; C07C39/16; C07D317/38; C08J11/16; C08J11/28
Foreign References:
| KR20200014004A | 2020-02-10 | |||
| KR20210082708A | 2021-07-06 | |||
| KR20220023451A | 2022-03-02 |
Other References:
QUARANTA EUGENIO, MINISCHETTI CLARA CASTIGLIONE, TARTARO GIUSEPPE: "Chemical Recycling of Poly(bisphenol A carbonate) by Glycolysis under 1,8-Diazabicyclo[5.4.0]undec-7-ene Catalysis", ACS OMEGA, ACS PUBLICATIONS, US, vol. 3, no. 7, 31 July 2018 (2018-07-31), US , pages 7261 - 7268, XP055844580, ISSN: 2470-1343, DOI: 10.1021/acsomega.8b01123
HEO MISEON, BEOMSIK KIM, YOUIN PARK, MYUNGWAN HAN: "Synthesis of Bishydroxyethyl Ether of Bisphenol A(BHE-BPA) Through the Depolymerization of Polycarbonate", KOREAN CHEMICAL ENGINEERING RESEARCH, KOREAN INSTITUTE OF CHEMICAL ENGINEERS, KR, vol. 48, no. 2, 30 April 2010 (2010-04-30), KR , pages 164 - 171, XP093098657, ISSN: 0304-128X
HEO MISEON, BEOMSIK KIM, YOUIN PARK, MYUNGWAN HAN: "Synthesis of Bishydroxyethyl Ether of Bisphenol A(BHE-BPA) Through the Depolymerization of Polycarbonate", KOREAN CHEMICAL ENGINEERING RESEARCH, KOREAN INSTITUTE OF CHEMICAL ENGINEERS, KR, vol. 48, no. 2, 30 April 2010 (2010-04-30), KR , pages 164 - 171, XP093098657, ISSN: 0304-128X
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (KR)
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