JPWO2021181532A1 - - Google Patents

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Publication number
JPWO2021181532A1
JPWO2021181532A1 JP2022507057A JP2022507057A JPWO2021181532A1 JP WO2021181532 A1 JPWO2021181532 A1 JP WO2021181532A1 JP 2022507057 A JP2022507057 A JP 2022507057A JP 2022507057 A JP2022507057 A JP 2022507057A JP WO2021181532 A1 JPWO2021181532 A1 JP WO2021181532A1
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JP
Japan
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Application number
JP2022507057A
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Japanese (ja)
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JP7425181B2 (en
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Publication of JPWO2021181532A1 publication Critical patent/JPWO2021181532A1/ja
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Publication of JP7425181B2 publication Critical patent/JP7425181B2/en
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J11/00—Recovery or working-up of waste materials
    • C08J11/04—Recovery or working-up of waste materials of polymers
    • C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling
JP2022507057A 2020-03-10 2020-03-10 How to decompose polylactic acid Active JP7425181B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/010352 WO2021181532A1 (en) 2020-03-10 2020-03-10 Polylactic acid decomposition method

Publications (2)

Publication Number Publication Date
JPWO2021181532A1 true JPWO2021181532A1 (en) 2021-09-16
JP7425181B2 JP7425181B2 (en) 2024-01-30

Family

ID=77671045

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022507057A Active JP7425181B2 (en) 2020-03-10 2020-03-10 How to decompose polylactic acid

Country Status (2)

Country Link
JP (1) JP7425181B2 (en)
WO (1) WO2021181532A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115073416B (en) * 2022-06-22 2023-12-19 西安交通大学 Method for catalyzing thermal decomposition of polylactic acid

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07309863A (en) * 1994-05-17 1995-11-28 Japan Steel Works Ltd:The Method for recovering lactide from polylactic acid product
WO2003091238A1 (en) * 2002-04-25 2003-11-06 Haruo Nishida Process for producing lactide
JP2007224113A (en) * 2006-02-22 2007-09-06 Teijin Fibers Ltd Method for recovering effective components from recovered biodegradable polyester
JP2008050351A (en) * 2006-07-27 2008-03-06 Victor Co Of Japan Ltd Method for recovering lactic acid
US20160311793A1 (en) * 2013-12-10 2016-10-27 Futerro S.A. Production of Meso-Lactide, D-Lactide, and L-Lactide by Back Biting of Polylactide

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07309863A (en) * 1994-05-17 1995-11-28 Japan Steel Works Ltd:The Method for recovering lactide from polylactic acid product
WO2003091238A1 (en) * 2002-04-25 2003-11-06 Haruo Nishida Process for producing lactide
JP2007224113A (en) * 2006-02-22 2007-09-06 Teijin Fibers Ltd Method for recovering effective components from recovered biodegradable polyester
JP2008050351A (en) * 2006-07-27 2008-03-06 Victor Co Of Japan Ltd Method for recovering lactic acid
US20160311793A1 (en) * 2013-12-10 2016-10-27 Futerro S.A. Production of Meso-Lactide, D-Lactide, and L-Lactide by Back Biting of Polylactide

Also Published As

Publication number Publication date
JP7425181B2 (en) 2024-01-30
WO2021181532A1 (en) 2021-09-16

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