Title:
POLYMERIZATION RAW MATERIAL COMPRISING RECYCLED BIS(2-HYDROXYETHYL) TEREPHTHALATE, AND PRODUCTION METHOD FOR SAME
Document Type and Number:
WIPO Patent Application WO/2024/071915
Kind Code:
A1
Abstract:
A polymerization raw material comprising recycled bis(2-hydroxyethyl) terephthalate in which the content of an acetate-based ester compound and a diethylene glycol ester compound have been adjusted to a specific level, the polymerization raw material not only having excellent purity and quality, but also not causing a deterioration of heat resistance properties during polymerization of a polymer from a recycled monomer.
Inventors:
KIM JI-HUN (KR)
PARK KWANG-WOO (KR)
LEE SEONG-KI (KR)
LEE JOONG KI (KR)
JIN YUNTAE (KR)
PARK KWANG-WOO (KR)
LEE SEONG-KI (KR)
LEE JOONG KI (KR)
JIN YUNTAE (KR)
Application Number:
PCT/KR2023/014681
Publication Date:
April 04, 2024
Filing Date:
September 25, 2023
Export Citation:
Assignee:
SK CHEMICALS CO LTD (KR)
International Classes:
C07C69/82; C07C67/60; C08J11/24
Foreign References:
| KR20220068991A | 2022-05-26 |
Attorney, Agent or Firm:
FIRSTLAW P.C. (KR)
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