- 专利标题: POLYESTER COPOLYMER COMPRISING RECYCLED MONOMERS
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申请号: US18247458申请日: 2021-09-14
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公开(公告)号: US20240002588A1公开(公告)日: 2024-01-04
- 发明人: Da-Young HWANG , Ha-Neul KIM , Yoo Jin LEE
- 申请人: SK CHEMICALS CO., LTD.
- 申请人地址: KR Gyeonggi-do
- 专利权人: SK CHEMICALS CO., LTD.
- 当前专利权人: SK CHEMICALS CO., LTD.
- 当前专利权人地址: KR Gyeonggi-do
- 优先权: KR 20200150209 2020.11.11
- 国际申请: PCT/KR2021/012486 2021.09.14
- 进入国家日期: 2023-03-31
- 主分类号: C08G63/183
- IPC分类号: C08G63/183 ; C08G63/199 ; C08G63/19 ; C08G63/86
摘要:
In the present disclosure, it is possible to identify and select recycled bis-2-hydroxyethyl terephthalate of a certain quality or higher, and thus the quality of a polyester resin prepared using the recycled bis-2-hydroxyethyl terephthalate can be improved.
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