ATE251609T1 - Verfahren zur wiedergewinnung von caprolactam aus nylonhaltigem abfall durch extraktion mit alkylphenolen - Google Patents

Verfahren zur wiedergewinnung von caprolactam aus nylonhaltigem abfall durch extraktion mit alkylphenolen

Info

Publication number
ATE251609T1
ATE251609T1 AT96922286T AT96922286T ATE251609T1 AT E251609 T1 ATE251609 T1 AT E251609T1 AT 96922286 T AT96922286 T AT 96922286T AT 96922286 T AT96922286 T AT 96922286T AT E251609 T1 ATE251609 T1 AT E251609T1
Authority
AT
Austria
Prior art keywords
mixture
caprolactam
extraction
nylon
alkylphenols
Prior art date
Application number
AT96922286T
Other languages
English (en)
Inventor
Yvonne Helene Frentzen
Marcellinus Plechelmus Thijert
Rudolf Lambertus Zwart
Original Assignee
Dsm Ip Assets Bv
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 Dsm Ip Assets Bv filed Critical Dsm Ip Assets Bv
Application granted granted Critical
Publication of ATE251609T1 publication Critical patent/ATE251609T1/de

Links

Classifications

    • 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

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)
  • Polyamides (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
AT96922286T 1995-07-12 1996-07-11 Verfahren zur wiedergewinnung von caprolactam aus nylonhaltigem abfall durch extraktion mit alkylphenolen ATE251609T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1000781A NL1000781C2 (nl) 1995-07-12 1995-07-12 Werkwijze voor het winnen van caprolactam uit nylon-6 bevattende afval.
PCT/NL1996/000283 WO1997003048A1 (en) 1995-07-12 1996-07-11 Process for the recovery of caprolactam from waste containing nylon by extraction with alkyl phenols

Publications (1)

Publication Number Publication Date
ATE251609T1 true ATE251609T1 (de) 2003-10-15

Family

ID=19761300

Family Applications (1)

Application Number Title Priority Date Filing Date
AT96922286T ATE251609T1 (de) 1995-07-12 1996-07-11 Verfahren zur wiedergewinnung von caprolactam aus nylonhaltigem abfall durch extraktion mit alkylphenolen

Country Status (10)

Country Link
US (1) US6111099A (de)
EP (1) EP0854864B1 (de)
JP (1) JPH11508913A (de)
CN (1) CN1078207C (de)
AT (1) ATE251609T1 (de)
CA (1) CA2226850A1 (de)
DE (1) DE69630309T2 (de)
MY (1) MY113810A (de)
NL (1) NL1000781C2 (de)
WO (1) WO1997003048A1 (de)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW420662B (en) † 1996-02-17 2001-02-01 Du Pont Recovery of <epsilon>-caprolactam
US5990306A (en) * 1997-09-03 1999-11-23 Alliedsignal Inc. Process for the purification of caprolactam obtained from the depolymerization of polyamide-containing carpet
EP1104753A1 (de) * 1999-12-03 2001-06-06 Dsm N.V. Verfahren zur Wiedergewinnung der Monomerbestandteile von Nylon aus Teppich
DE10225692A1 (de) * 2002-06-10 2003-12-24 Zimmer Ag Verfahren zur Herstellung von Caprolactam aus Polyamid-haltigen Abfällen
DE10333538B4 (de) * 2003-07-23 2008-04-10 Lurgi Zimmer Gmbh Verfahren zur Behandlung Polyamid-haltiger Abfälle mit der Wiederaufbereitung des Depolymerisationsrückstandes
DE10333539A1 (de) * 2003-07-23 2005-02-24 Zimmer Ag Verfahren zur Reinigung von Caprolactam aus Polyamidhaltigen Abfällen mittels UV-Bestrahlung
US20100273001A1 (en) * 2009-04-22 2010-10-28 Keating Joseph Z Method of Recycling Carpet Components and Carpet Components formed Therefrom
US8113448B2 (en) * 2009-04-22 2012-02-14 Keating Joseph Z Methods of recycling carpet components and carpet components formed thereform
US20110040027A1 (en) * 2009-04-22 2011-02-17 Keating Joseph Z Methods of recycling carpet components and products formed therefrom
TW201114740A (en) * 2009-10-30 2011-05-01 China Petrochemical Dev Corp Taipei Taiwan Method of separating amide from amino acid ionic solution
CN102352034B (zh) * 2011-07-22 2013-01-30 浙江华建尼龙有限公司 一种除去聚已内酰胺中环状低聚物的机械方法
CN102382052B (zh) * 2011-09-02 2014-04-02 上海大学 离子液体/水混合体系中废尼龙6降解回收ε-己内酰胺的方法
CN108250144A (zh) * 2017-12-19 2018-07-06 浙江恒逸锦纶有限公司 一种回收尼龙6聚合单体回收装置外排废水中己内酰胺的方法
WO2020212186A1 (de) * 2019-04-15 2020-10-22 Lanxess Deutschland Gmbh Verfahren zum rezyklieren glasfaserverstärkter kunststoffe
CN111747877A (zh) * 2020-06-24 2020-10-09 江苏扬农化工集团有限公司 一种己二胺关键中间体反应残渣资源化利用的方法
CN118159520A (zh) * 2021-10-29 2024-06-07 东丽株式会社 ε-己内酰胺的制造方法和聚酰胺6的制造方法
JPWO2023074438A1 (de) * 2021-10-29 2023-05-04
CN118201907A (zh) * 2021-10-29 2024-06-14 东丽株式会社 纤维状填充材料和ε-己内酰胺的回收方法及聚酰胺6的制造方法
CN114057621B (zh) * 2021-11-29 2023-04-21 东华大学 一种废旧聚酰胺6高效解聚的方法及其应用
TW202342429A (zh) 2022-01-28 2023-11-01 荷蘭商卡普三世責任有限公司 用於回收來自包含尼龍６之漁網的ε-己內醯胺之方法
TW202342428A (zh) 2022-01-28 2023-11-01 荷蘭商卡普三世責任有限公司 用於回收來自包含聚醯胺６漁網的ε－己內醯胺之方法
TW202342427A (zh) 2022-01-28 2023-11-01 荷蘭商卡普三世責任有限公司 用於回收來自含尼龍6之多組分材料的ε-己內醯胺之方法
EP4306585A1 (de) * 2022-07-11 2024-01-17 Cap Iii B.V. Verfahren zur rückgewinnung von epsilon-caprolactam und polyether-polyurethan aus polyamid-6- und polyether-polyurethan-haltigen materialien
EP4306510A1 (de) * 2022-07-11 2024-01-17 Cap Iii B.V. Verfahren zur rückgewinnung von epsilon-caprolactam aus nylon-6-haltigem mehrkomponentenmaterial
CN115745861A (zh) * 2022-10-23 2023-03-07 江苏弘盛新材料股份有限公司 一种废旧锦纶6中解聚回收已内酰胺的工艺
CN115710198B (zh) * 2022-11-11 2025-02-25 聊城鲁西聚酰胺新材料科技有限公司 一种制备6-氨基己腈的方法
WO2025078516A2 (en) * 2023-10-11 2025-04-17 Basf Se A recycling process for recovering epsilon-caprolactam from a solid material
JPWO2025205744A1 (de) * 2024-03-28 2025-10-02

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT956940B (it) * 1972-06-28 1973-10-10 Snia Viscosa Procedimento per l estrazione di lattami da miscele acide di rea zione
US4013640A (en) * 1974-04-11 1977-03-22 Union Carbide Corporation Process for the recovery of amides
DE4215087A1 (de) * 1992-05-07 1993-11-11 Basf Ag Verfahren zur Rückgewinnung von Caprolactam aus Polycaprolactam
DE4216848A1 (de) * 1992-05-21 1993-11-25 Basf Ag Verfahren zur Rückgewinnung von Caprolactam aus Polycaprolactam
EP0627417B1 (de) * 1993-06-04 1999-08-18 Dsm N.V. Wiedergewinnung von Epsilon-Caprolactam aus Teppichabfallen
US5457197A (en) * 1994-04-08 1995-10-10 Alliedsignal Inc. Monomer recovery from multi-component materials
US5656757A (en) * 1995-08-10 1997-08-12 Alliedsignal Inc. Monomer recovery from multi-component materials
US5681952A (en) * 1995-12-08 1997-10-28 Alliedsignal Inc. Process for depolymerizing nylon-containing waste to form caprolactam

Also Published As

Publication number Publication date
EP0854864A1 (de) 1998-07-29
CN1078207C (zh) 2002-01-23
JPH11508913A (ja) 1999-08-03
MX9800423A (es) 1998-05-31
US6111099A (en) 2000-08-29
MY113810A (en) 2002-05-31
CA2226850A1 (en) 1997-01-30
NL1000781C2 (nl) 1997-01-14
CN1196048A (zh) 1998-10-14
WO1997003048A1 (en) 1997-01-30
EP0854864B1 (de) 2003-10-08
DE69630309T2 (de) 2004-07-29
DE69630309D1 (de) 2003-11-13

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