Title:
POLYESTER RESIN COMPOSITION, POLYESTER FILM, AND FLEXIBLE FLAT CABLE
Document Type and Number:
WIPO Patent Application WO/2023/120878
Kind Code:
A1
Abstract:
A polyester resin composition according to an embodiment comprises: a polyester resin; an application agent; and an antioxidant, in which a diol residue includes a cyclohexanedimethanol residue, a dicarboxylic acid residue includes a terephthalic acid residue, and the weight ratio of the application agent and the antioxidant is 1:0.01 to 20. A polyester film according to an embodiment has a b* value of 5 or less in a CIELAB color space after being left at 150℃ for 2 weeks. The polyester resin composition, polyester film, etc., according to the embodiment have excellent properties such as heat resistance, durability, and optical properties, and are used to manufacture a flexible flat cable that requires durability due to repeated exposure to heat, thereby providing a flexible flat cable with superior properties.
Inventors:
LIM BYEONGJAE (KR)
HEO YOUNGMIN (KR)
YEON JEWON (KR)
HEO YOUNGMIN (KR)
YEON JEWON (KR)
Application Number:
PCT/KR2022/013982
Publication Date:
June 29, 2023
Filing Date:
September 19, 2022
Export Citation:
Assignee:
SK MICROWORKS CO LTD (KR)
International Classes:
C08K3/24; C08G63/183; C08G63/199; C08J5/18; C08K5/00; C08K5/13; C08K5/36; C08K5/49; C08L67/02; H01B7/08
Foreign References:
| KR20160143758A | 2016-12-14 | |||
| KR20110011400U | 2011-12-09 | |||
| KR20030046426A | 2003-06-12 | |||
| KR20000047015A | 2000-07-25 | |||
| JP2004183143A | 2004-07-02 |
Attorney, Agent or Firm:
CHUNG, Hwaseung (KR)
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