BIODEGRADABLE POLYESTER RESIN COMPOSITION, BIODEGRADABLE POLYESTER FILM COMPRISING SAME, AND BIODEGRADABLE MOLDED ARTICLE COMPRISING SAME

Title:

BIODEGRADABLE POLYESTER RESIN COMPOSITION, BIODEGRADABLE POLYESTER FILM COMPRISING SAME, AND BIODEGRADABLE MOLDED ARTICLE COMPRISING SAME

Document Type and Number:

WIPO Patent Application WO/2023/239039

Kind Code:

A1

Abstract:

An embodiment provides a polyester resin comprising diols, aromatic dicarboxylic acids, and aliphatic dicarboxylic acids, wherein the polyester resin has a soft segment ratio of 0.21 to 0.29, and wherein the soft segment ratio is defined as the proportion of the diols bonded between the aromatic dicarboxylic acids and the aliphatic dicarboxylic acids.

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Inventors:

KIM SEONG DONG (KR)
KIM KYUNG YOUN (KR)
KIM HOON (KR)
YOU KYOUNG HWAN (KR)
BYEON JUN SU (KR)
JOENG EUN SUN (KR)

Application Number:

PCT/KR2023/004890

Publication Date:

December 14, 2023

Filing Date:

April 12, 2023

Export Citation:

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Assignee:

ECOVANCE CO LTD (KR)

International Classes:

C08L67/02

Foreign References:

KR20220015623A	2022-02-08
JP2007532699A	2007-11-15
KR20080094730A	2008-10-23
JP2020502288A	2020-01-23
KR20030028444A	2003-04-08

Attorney, Agent or Firm:

KIM, Kyu Hun (KR)

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