JP7772830B2 - 解重合方法 - Google Patents

解重合方法

Info

Publication number
JP7772830B2
JP7772830B2 JP2023569402A JP2023569402A JP7772830B2 JP 7772830 B2 JP7772830 B2 JP 7772830B2 JP 2023569402 A JP2023569402 A JP 2023569402A JP 2023569402 A JP2023569402 A JP 2023569402A JP 7772830 B2 JP7772830 B2 JP 7772830B2
Authority
JP
Japan
Prior art keywords
polyamide resin
mass
polyamide
depolymerization
solvent
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
JP2023569402A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2023120427A1 (https=
Inventor
靖久 市橋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Asahi Kasei Corp
Original Assignee
Asahi Kasei Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Asahi Kasei Corp filed Critical Asahi Kasei Corp
Publication of JPWO2023120427A1 publication Critical patent/JPWO2023120427A1/ja
Application granted granted Critical
Publication of JP7772830B2 publication Critical patent/JP7772830B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • C08J11/16—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 by treatment with inorganic material
    • 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
    • C08J11/18—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 by treatment with organic material
    • C08J11/22—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 by treatment with organic material by treatment with organic oxygen-containing compounds
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
JP2023569402A 2021-12-23 2022-12-16 解重合方法 Active JP7772830B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021209125 2021-12-23
JP2021209125 2021-12-23
PCT/JP2022/046452 WO2023120427A1 (ja) 2021-12-23 2022-12-16 解重合方法

Publications (2)

Publication Number Publication Date
JPWO2023120427A1 JPWO2023120427A1 (https=) 2023-06-29
JP7772830B2 true JP7772830B2 (ja) 2025-11-18

Family

ID=86902691

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023569402A Active JP7772830B2 (ja) 2021-12-23 2022-12-16 解重合方法

Country Status (2)

Country Link
JP (1) JP7772830B2 (https=)
WO (1) WO2023120427A1 (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN120641479A (zh) 2022-12-08 2025-09-12 索尔维特殊聚合物美国有限责任公司 包括预处理步骤的用于再循环聚酰胺的方法
JPWO2025027878A1 (https=) * 2023-08-02 2025-02-06
CN120051519A (zh) * 2023-09-27 2025-05-27 旭化成株式会社 二元胺和二元羧酸的制造方法、聚酰胺的回收利用方法和聚酰胺
CN119735802B (zh) * 2024-12-09 2026-03-06 浙江理工大学 一锅法化学回收内酰胺类聚酰胺的方法及其应用

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000034362A (ja) 1998-07-21 2000-02-02 Toray Ind Inc ナイロン６製品類のリサイクル方法
CN104017205A (zh) 2014-06-11 2014-09-03 李兆顺 一种再生尼龙的方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1006575C2 (nl) * 1997-07-14 1999-01-15 Dsm Nv Depolymeriseren van polyamiden.
DE602006020497D1 (de) * 2005-11-25 2011-04-14 Ube Industries D verfahren zur herstellung eines monomers eines polyamids
NL2015749B1 (en) * 2015-11-09 2017-05-26 Ioniqa Tech B V PA/PET separation process.

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000034362A (ja) 1998-07-21 2000-02-02 Toray Ind Inc ナイロン６製品類のリサイクル方法
CN104017205A (zh) 2014-06-11 2014-09-03 李兆顺 一种再生尼龙的方法

Also Published As

Publication number Publication date
WO2023120427A1 (ja) 2023-06-29
JPWO2023120427A1 (https=) 2023-06-29

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