公开(公告)号：US20240052130A1

公开(公告)日：2024-02-15

申请号：US18260791

申请日：2021-11-03

Applicant: KOLON INDUSTRIES, INC.

Inventor： Joonyoung YOON ,  Hongkwan PARK ,  Haelim CHO

IPC: C08J11/14 ,  C08G63/183 ,  C08L67/02 ,  C08K3/22 ,  C08K3/30

CPC classification number: C08J11/14 ,  C08G63/183 ,  C08L67/02 ,  C08K3/22 ,  C08K3/30 ,  C08J2367/02 ,  C08L2207/20 ,  C08K2003/309

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.

公开(公告)号：US20240052131A1

公开(公告)日：2024-02-15

申请号：US18260792

申请日：2021-11-03

Applicant: KOLON INDUSTRIES, INC.

Inventor： Joonyoung YOON ,  Kwangsu KIM ,  Haelim CHO

IPC: C08J11/14 ,  C08J11/16

CPC classification number: C08J11/14 ,  C08J11/16 ,  C08J2367/02

Abstract: Provided is a method of depolymerizing a polyester, the method including adding a degradation agent to the polyester and then contacting the polyester with superheated water vapor.