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Title:
FAST-DEGRADING ESTER COMPOSITION AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2023/045900
Kind Code:
A1
Abstract:
The present invention proposes a fast-degrading ester composition and a preparation method therefor, prepared using polyglycolic acid having an intrinsic viscosity of 0.4-0.7dL/g and an aromatic-alicyclic copolyester as main raw materials, and adding auxiliary agents. The ester composition prepared in the present invention has good transparency, good mechanical properties, good temperature resistance, and excellent biodegradability. It can be applied to the preparation of films, sheets, pipes, plates, bowls, basins, file folders, straws, etc.

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Inventors:
LI HONGGUO (CN)
WANG XUNLIN (CN)
LI YIGE (CN)
WEI HUAIJIAN (CN)
FU HAI (CN)
DONG LIANG (CN)
Application Number:
PCT/CN2022/119770
Publication Date:
March 30, 2023
Filing Date:
September 20, 2022
Export Citation:
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Assignee:
SHANDONG LECSIN GREEN TECH CO LTD (CN)
International Classes:
C08L67/04; C08K3/22; C08K5/20; C08K5/29; C08K5/524; C08L67/00; C08L69/00
Foreign References:
CN114621568A2022-06-14
CN114539743A2022-05-27
CN107304285A2017-10-31
CN107488343A2017-12-19
CN111378101A2020-07-07
CN110283326A2019-09-27
CN111154245A2020-05-15
Other References:
LIANG JIAXIN, YE SHUXIAN, WANG WENJING, FAN CONGXIAO, WANG SHUANJIN, HAN DONGMEI, LIU WEI, CUI YAN, HAO LIMIN, XIAO MIN, MENG YUEZ: "Performance tailorable terpolymers synthesized from carbon dioxide, phthalic anhydride and propylene oxide using Lewis acid-base dual catalysts", JOURNAL OF CO2 UTILIZATION, vol. 49, 1 July 2021 (2021-07-01), NL , pages 1 - 11, XP093052437, ISSN: 2212-9820, DOI: 10.1016/j.jcou.2021.101558
Attorney, Agent or Firm:
BEIJING GAOWO LAW FIRM (CN)
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