PL4430030T3 - Sposób wytwarzania epsilon-kaprolaktamu poprzez depolimeryzację polikaprolaktamu (pa6) - Google Patents

Sposób wytwarzania epsilon-kaprolaktamu poprzez depolimeryzację polikaprolaktamu (pa6)

Info

Publication number
PL4430030T3
PL4430030T3 PL22806001.8T PL22806001T PL4430030T3 PL 4430030 T3 PL4430030 T3 PL 4430030T3 PL 22806001 T PL22806001 T PL 22806001T PL 4430030 T3 PL4430030 T3 PL 4430030T3
Authority
PL
Poland
Prior art keywords
polycaprolactam
depolymerization
caprolactam
epsilon
manufacturing
Prior art date
Application number
PL22806001.8T
Other languages
English (en)
Inventor
Maddalena BERTOLLA
Michele CECCHETTO
Anacleto Dal Moro
Michele Modesti
Stefano GUERRA
Original Assignee
Aquafil S.P.A.
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 Aquafil S.P.A. filed Critical Aquafil S.P.A.
Publication of PL4430030T3 publication Critical patent/PL4430030T3/pl

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D223/00—Heterocyclic compounds containing seven-membered rings having one nitrogen atom as the only ring hetero atom
    • C07D223/02—Heterocyclic compounds containing seven-membered rings having one nitrogen atom as the only ring hetero atom not condensed with other rings
    • C07D223/06—Heterocyclic compounds containing seven-membered rings having one nitrogen atom as the only ring hetero atom not condensed with other rings with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D223/08—Oxygen atoms
    • C07D223/10—Oxygen atoms attached in position 2
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
    • C07D201/02—Preparation of lactams
    • C07D201/12—Preparation of lactams by depolymerising polyamides
    • 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
    • C08J11/14—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 steam or water
    • 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
    • C08J2377/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
    • C08J2377/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
    • 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)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
PL22806001.8T 2021-11-10 2022-11-10 Sposób wytwarzania epsilon-kaprolaktamu poprzez depolimeryzację polikaprolaktamu (pa6) PL4430030T3 (pl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102021000028601A IT202100028601A1 (it) 2021-11-10 2021-11-10 Procedimento per produrre epsilon-caprolattame mediante depolimerizzazione di policaprolattame (pa6).
PCT/IB2022/060831 WO2023084441A1 (en) 2021-11-10 2022-11-10 Process for producing epsilon-caprolactam by depolymerization of polycaprolactam (pa6)

Publications (1)

Publication Number Publication Date
PL4430030T3 true PL4430030T3 (pl) 2026-02-16

Family

ID=80225990

Family Applications (1)

Application Number Title Priority Date Filing Date
PL22806001.8T PL4430030T3 (pl) 2021-11-10 2022-11-10 Sposób wytwarzania epsilon-kaprolaktamu poprzez depolimeryzację polikaprolaktamu (pa6)

Country Status (10)

Country Link
US (1) US20240383859A1 (pl)
EP (1) EP4430030B1 (pl)
JP (1) JP2024544883A (pl)
KR (1) KR20240095237A (pl)
CN (1) CN117836276A (pl)
CA (1) CA3226741A1 (pl)
ES (1) ES3052158T3 (pl)
IT (1) IT202100028601A1 (pl)
PL (1) PL4430030T3 (pl)
WO (1) WO2023084441A1 (pl)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2025011610A (ja) * 2023-07-11 2025-01-24 住友重機械工業株式会社 リサイクルシステム、リサイクル方法、記憶媒体
TW202546117A (zh) * 2024-02-08 2025-12-01 德商巴斯夫歐洲公司 中性水解汽車粉碎殘留物中之聚己內醯胺碎片以回收己內醯胺
WO2025168636A1 (en) * 2024-02-08 2025-08-14 Basf Se Acidic hydrolysis of polycaprolactam fragments in automotive shredder residue in presence of glass fibers
WO2025233331A1 (en) 2024-05-07 2025-11-13 Basf Se Process for isolation of glass fibers, adipic acid and hexamethylene diamine from pa66

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5977193A (en) * 1991-06-21 1999-11-02 Basf Corporation Reclaiming epsilon-caprolactam from nylon 6 carpet
US5294707A (en) 1993-02-25 1994-03-15 Basf Corporation Semi-continuous depolymerization of nylon 6 polymer
US5430068A (en) 1993-11-24 1995-07-04 E. I. Du Pont De Nemours And Company Recovery of polyamide using a solution process
BE1009330A3 (nl) 1995-04-14 1997-02-04 Dsm Nv Depolymeriseren van polyamiden.
NL1005942C2 (nl) 1997-05-01 1998-11-03 Dsm Nv Depolymeriseren van polyamiden.
WO2018205021A1 (en) * 2017-05-09 2018-11-15 Fpinnovations Lignin depolymerization process using chemicals recoverable by the kraft recovery cycle
EP3568389B1 (en) 2017-12-15 2021-01-20 Aquafilslo D.O.O. Process for the purification of caprolactam from a solution of crude caprolactam without organic solvent extraction

Also Published As

Publication number Publication date
CN117836276A (zh) 2024-04-05
ES3052158T3 (en) 2026-01-02
US20240383859A1 (en) 2024-11-21
JP2024544883A (ja) 2024-12-05
EP4430030B1 (en) 2025-10-22
EP4430030C0 (en) 2025-10-22
CA3226741A1 (en) 2023-05-19
EP4430030A1 (en) 2024-09-18
KR20240095237A (ko) 2024-06-25
WO2023084441A1 (en) 2023-05-19
IT202100028601A1 (it) 2023-05-10

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