DE69624378D1 - Verfahren zur depolymerisation von nylon enthaltendem abfall zu caprolactam mit überhitztem wasserdampf in der abwesenheit von katalysatoren - Google Patents

Verfahren zur depolymerisation von nylon enthaltendem abfall zu caprolactam mit überhitztem wasserdampf in der abwesenheit von katalysatoren

Info

Publication number
DE69624378D1
DE69624378D1 DE69624378T DE69624378T DE69624378D1 DE 69624378 D1 DE69624378 D1 DE 69624378D1 DE 69624378 T DE69624378 T DE 69624378T DE 69624378 T DE69624378 T DE 69624378T DE 69624378 D1 DE69624378 D1 DE 69624378D1
Authority
DE
Germany
Prior art keywords
caprolactam
catalysts
absence
waste containing
overheated steam
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.)
Expired - Lifetime
Application number
DE69624378T
Other languages
English (en)
Other versions
DE69624378T2 (de
DE69624378T3 (de
Inventor
Stylianos Sifniades
Bart Levy
Agnes Hendrix
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.)
Koninklijke DSM NV
Honeywell International Inc
Original Assignee
DSM NV
Honeywell International Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24276245&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69624378(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by DSM NV, Honeywell International Inc filed Critical DSM NV
Publication of DE69624378D1 publication Critical patent/DE69624378D1/de
Publication of DE69624378T2 publication Critical patent/DE69624378T2/de
Application granted granted Critical
Publication of DE69624378T3 publication Critical patent/DE69624378T3/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
DE69624378.4T 1995-12-08 1996-12-06 Verfahren zur depolymerisation von nylon enthaltendem abfall zu caprolactam mit überhitztem wasserdampf in der abwesenheit von katalysatoren Expired - Lifetime DE69624378T3 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US569640 1995-12-08
US08/569,640 US5681952A (en) 1995-12-08 1995-12-08 Process for depolymerizing nylon-containing waste to form caprolactam
EP96943716.9A EP0874817B2 (de) 1995-12-08 1996-12-06 Verfahren zur depolymerisation von nylon enthaltendem abfall zu caprolactam mit überhitztem wasserdampf in der abwesenheit von katalysatoren
PCT/US1996/019802 WO1997020813A1 (en) 1995-12-08 1996-12-06 Process for depolymerizing nylon-containing waste to form caprolactam by superheated steam in the absence of catalysts

Publications (3)

Publication Number Publication Date
DE69624378D1 true DE69624378D1 (de) 2002-11-21
DE69624378T2 DE69624378T2 (de) 2004-06-24
DE69624378T3 DE69624378T3 (de) 2016-04-21

Family

ID=24276245

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69624378.4T Expired - Lifetime DE69624378T3 (de) 1995-12-08 1996-12-06 Verfahren zur depolymerisation von nylon enthaltendem abfall zu caprolactam mit überhitztem wasserdampf in der abwesenheit von katalysatoren

Country Status (11)

Country Link
US (4) US5681952A (de)
EP (1) EP0874817B2 (de)
JP (1) JPH11511485A (de)
CA (1) CA2239283C (de)
DE (1) DE69624378T3 (de)
ES (1) ES2185813T5 (de)
HK (1) HK1016181A1 (de)
MX (1) MX9804433A (de)
MY (1) MY113539A (de)
TW (1) TW408110B (de)
WO (1) WO1997020813A1 (de)

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US6211275B1 (en) 1998-11-10 2001-04-03 New Jersey Institute Of Technology Wood substitute composition and process for producing same
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JP5590890B2 (ja) * 2006-11-13 2014-09-17 シャウ インダストリーズ グループ， インコーポレイテッド カーペットの再生するための方法およびシステム、ならびに再生された材料から製造されたカーペット
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US20100273001A1 (en) * 2009-04-22 2010-10-28 Keating Joseph Z Method of Recycling Carpet Components and Carpet Components formed Therefrom
US20110040027A1 (en) * 2009-04-22 2011-02-17 Keating Joseph Z Methods of recycling carpet components and products formed therefrom
US8113448B2 (en) * 2009-04-22 2012-02-14 Keating Joseph Z Methods of recycling carpet components and carpet components formed thereform
US8080506B2 (en) * 2009-07-14 2011-12-20 MSI Technology LLC. Reactive purge compound for polymer purging
US8360348B2 (en) 2010-08-12 2013-01-29 Frank Levy Method and apparatus for recycling carpet
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US9023903B2 (en) 2012-09-27 2015-05-05 E I Du Pont De Nemours And Company Reinforced polyamides having improved anti-delamination
US9193865B2 (en) 2012-09-27 2015-11-24 E I Du Pont De Nemours And Company Polyamides having improved anti-delamination
WO2014163506A1 (en) 2013-04-05 2014-10-09 Universiteit Leiden Process to prepare epsilon-caprolactam
US11364661B2 (en) 2016-04-20 2022-06-21 Broadview Group International, Llc Processes and structures for recycling carpet and products of such processes
US11578144B2 (en) 2018-05-23 2023-02-14 2569924 Ontario Inc. Compositions and methods for removing contaminants from plastics processing equipment
KR20220102883A (ko) * 2021-01-14 2022-07-21 코오롱인더스트리 주식회사 폴리에스테르의 탈색 방법 및 이를 포함하는 폴리에스테르의 해중합 방법
KR20220102882A (ko) * 2021-01-14 2022-07-21 코오롱인더스트리 주식회사 폴리에스테르의 해중합 방법
WO2023074438A1 (ja) * 2021-10-29 2023-05-04 東レ株式会社 熱可塑性樹脂の製造方法
WO2023074441A1 (ja) * 2021-10-29 2023-05-04 東レ株式会社 ε－カプロラクタムの製造方法およびポリアミド６の製造方法
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
EP4306510A1 (de) * 2022-07-11 2024-01-17 Cap Iii B.V. Verfahren zur rückgewinnung von epsilon-caprolactam aus nylon-6-haltigem mehrkomponentenmaterial

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Also Published As

Publication number Publication date
US5681952A (en) 1997-10-28
US6342555B2 (en) 2002-01-29
MY113539A (en) 2002-03-30
EP0874817A1 (de) 1998-11-04
TW408110B (en) 2000-10-11
EP0874817B1 (de) 2002-10-16
US5932724A (en) 1999-08-03
DE69624378T2 (de) 2004-06-24
US20010001792A1 (en) 2001-05-24
JPH11511485A (ja) 1999-10-05
EP0874817B2 (de) 2015-12-02
ES2185813T5 (es) 2016-03-23
MX9804433A (es) 1998-12-31
US5929234A (en) 1999-07-27
CA2239283C (en) 2004-10-19
CA2239283A1 (en) 1997-06-12
ES2185813T3 (es) 2003-05-01
WO1997020813A1 (en) 1997-06-12
DE69624378T3 (de) 2016-04-21
HK1016181A1 (en) 1999-10-29

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Legal Events

Date Code Title Description
8332 No legal effect for de
8370 Indication of lapse of patent is to be deleted
8363 Opposition against the patent