公开(公告)号：US20250051513A1

公开(公告)日：2025-02-13

申请号：US18720701

申请日：2022-11-25

Applicant: KOLON INDUSTRIES, INC.

Inventor： Ho Sub KIM ,  Young Sung SUH ,  No Woo PARK ,  Choong Hee HONG ,  Kyung Gyu NOH ,  Ki Hyun PARK

IPC: C08G63/676 ,  C08G63/80 ,  C08K5/00 ,  C08K5/5333

Abstract: The present invention relates to a polyester resin and a preparation method therefor. Specifically, provided, in an embodiment of the present invention, is a polyester resin including: a copolymer including a diacid moiety and a diol moiety; a phosphorus-based heat stabilizer; and a complementary colorant, wherein the diacid moiety includes a furandicarboxylic acid-based compound-derived moiety, the diol moiety includes an alkylene glycol-based compound-derived moiety, the phosphorus-based heat stabilizer includes an ester group at the terminal end thereof, and the complementary colorant includes a blue dye and a red dye.

公开(公告)号：US20250043068A1

公开(公告)日：2025-02-06

申请号：US18714186

申请日：2022-11-25

Applicant: KOLON INDUSTRIES, INC.

Inventor： Ho Sub KIM ,  No woo PARK ,  Choong Hee HONG ,  Kyung Gyu NOH ,  Ki Hyun PARK

IPC: C08G63/181 ,  C08G63/08 ,  C08G63/56 ,  C08G63/86 ,  C08G81/02

Abstract: The present invention relates to a polyester resin and a manufacturing method thereof. Specifically, an embodiment of the present invention provides a polyester resin consisting of a copolymer of a monomer mixture including a furan dicarboxylic acid-based compound, an aliphatic diol-based compound, and a lactone-based compound.

公开(公告)号：US20230348666A1

公开(公告)日：2023-11-02

申请号：US18245388

申请日：2021-09-13

Applicant: KOLON INDUSTRIES, INC.

Inventor： Ho Sub KIM ,  Kyung Gyu NOH ,  Young Sung SUH ,  Choong Hee HONG ,  Ki Hyun PARK ,  No Woo PARK

IPC: C08G63/85 ,  C08G63/676

CPC classification number: C08G63/85 ,  C08G63/676

Abstract: The present invention provides a novel catalyst material used to produce polyester having improved molecular weight and color from a dicarboxylic acid aromatic heterocyclic compound or a derivative thereof.

公开(公告)号：US20230348664A1

公开(公告)日：2023-11-02

申请号：US18245403

申请日：2021-09-01

Applicant: KOLON INDUSTRIES, INC.

Inventor： Young Sung SUH ,  No Woo PARK ,  Ho Sub KIM ,  Choong Hee HONG ,  Kyung Gyu NOH ,  Ki Hyun PARK

IPC: C08G63/672

CPC classification number: C08G63/672

Abstract: The present invention provides a polyester polymer having improved heat discoloration and at the same time, having a high molecular weight.