Title:
BIODEGRADABLE MOLDED ARTICLE AND BIODEGRADABLE POLYESTER RESIN COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2023/229216
Kind Code:
A1
Abstract:
Disclosed in an embodiment is a biodegradable molded article, which comprises a polyester resin containing: a diol; an aromatic dicarboxylic acid; and an aliphatic dicarboxylic acid, and has a biodegradation degree per hydrolysis degree of 1.35 or more, wherein: the biodegradation degree per hydrolysis degree is a value obtained by dividing the biodegradation degree after 9 weeks by the hydrolysis degree after 1 week; and the biodegradation degree after 9 weeks and the hydrolysis degree after 1 week are measured by the following measurement methods.
Inventors:
KIM KYUNG YOUN (KR)
KIM SEONG DONG (KR)
KIM HOON (KR)
BYEON JUN SU (KR)
KIM SEONG DONG (KR)
KIM HOON (KR)
BYEON JUN SU (KR)
Application Number:
PCT/KR2023/004889
Publication Date:
November 30, 2023
Filing Date:
April 12, 2023
Export Citation:
Assignee:
ECOVANCE CO LTD (KR)
International Classes:
C08L67/02; C08G63/16; C08G63/183; C08J5/18; C08K3/08; C08K7/02; C08K13/04; C08L1/02
Foreign References:
| KR20220015623A | 2022-02-08 | |||
| JP2007532699A | 2007-11-15 | |||
| KR20010055721A | 2001-07-04 | |||
| KR20210147334A | 2021-12-07 | |||
| KR102269358B1 | 2021-06-28 |
Attorney, Agent or Firm:
KIM, Kyu Hun (KR)
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