公开(公告)号：US20240026072A1

公开(公告)日：2024-01-25

申请号：US18257111

申请日：2021-08-12

Applicant: KOLON PLASTICS, INC.

Inventor： Hwa Jin JEON ,  Sang Won YOON ,  Sung Keun PARK

IPC: C08G63/183 ,  C08G63/193 ,  C08G63/199 ,  C08G63/672 ,  G02B1/04

CPC classification number: C08G63/183 ,  C08G63/193 ,  C08G63/199 ,  C08G63/672 ,  G02B1/041

Abstract: Provided is a polyester-based resin composition including: (a) at least one type of dicarboxylic acid component selected from an aromatic dicarboxylic acid and an ester-forming derivative of the aromatic dicarboxylic acid; (b) a bisphenyl fluorene-based diol component; and (c) a tetracyclobutane-based diol component, wherein a content of the bisphenyl fluorene-based diol component is 20 to 90 mol % relative to the total of the diol component and a glass transition temperature (Tg) is greater than or equal to 100° C.