Invention Publication
- Patent Title: METHOD FOR DECOLORIZING POLYESTER AND METHOD FOR DEPOLYMERISING POLYESTER COMPRISING THE SAME
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Application No.: US18260791Application Date: 2021-11-03
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Publication No.: US20240052130A1Publication Date: 2024-02-15
- Inventor: Joonyoung YOON , Hongkwan PARK , Haelim CHO
- Applicant: KOLON INDUSTRIES, INC.
- Applicant Address: KR Seoul
- Assignee: KOLON INDUSTRIES, INC.
- Current Assignee: KOLON INDUSTRIES, INC.
- Current Assignee Address: KR Seoul
- Priority: KR 20210005357 2021.01.14
- International Application: PCT/KR2021/015812 2021.11.03
- Date entered country: 2023-07-10
- Main IPC: C08J11/14
- IPC: C08J11/14 ; C08G63/183 ; C08L67/02 ; C08K3/22 ; C08K3/30

Abstract:
Provided is a method for decolorizing a polyester, the method including exposing adding a decoloring agent to the polyester and then contacting the polyester with superheated water vapor.
Information query