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MX9305579A - Recuperacion de epsilon-caprolactam a partir de alfombra de nylon 6. - Google Patents

Recuperacion de epsilon-caprolactam a partir de alfombra de nylon 6.

Info

Publication number
MX9305579A
MX9305579A MX9305579A MX9305579A MX9305579A MX 9305579 A MX9305579 A MX 9305579A MX 9305579 A MX9305579 A MX 9305579A MX 9305579 A MX9305579 A MX 9305579A MX 9305579 A MX9305579 A MX 9305579A
Authority
MX
Mexico
Prior art keywords
caprolactam
epsilon
recovery
nylon carpet
nylon
Prior art date
Application number
MX9305579A
Other languages
English (en)
Inventor
Thomas F Corbin
Alan C Handermann
Richard Kotek
William D Porter
Jack A Dellinger
Edward A Davis
Original Assignee
Basf 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 Basf Corp filed Critical Basf Corp
Publication of MX9305579A publication Critical patent/MX9305579A/es

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
    • C08G69/08—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids
    • C08G69/14—Lactams
    • 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
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/582—Recycling of unreacted starting or intermediate materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (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)
  • Other In-Based Heterocyclic Compounds (AREA)

Abstract

La presente invención se relaciona con un proceso para recuperar el épsilon-caprolactam. Más particularmente, la invención presenta se relaciona a un proceso para recuperar el épsilon -caprolactam de una alfombra hecha a partir de nilón 6.
MX9305579A 1992-09-11 1993-09-10 Recuperacion de epsilon-caprolactam a partir de alfombra de nylon 6. MX9305579A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/943,795 US5977193A (en) 1991-06-21 1992-09-11 Reclaiming epsilon-caprolactam from nylon 6 carpet

Publications (1)

Publication Number Publication Date
MX9305579A true MX9305579A (es) 1994-05-31

Family

ID=25480273

Family Applications (1)

Application Number Title Priority Date Filing Date
MX9305579A MX9305579A (es) 1992-09-11 1993-09-10 Recuperacion de epsilon-caprolactam a partir de alfombra de nylon 6.

Country Status (6)

Country Link
US (1) US5977193A (es)
EP (1) EP0659176A1 (es)
JP (1) JPH08504182A (es)
CA (1) CA2144326C (es)
MX (1) MX9305579A (es)
WO (1) WO1994006763A1 (es)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5457197A (en) * 1994-04-08 1995-10-10 Alliedsignal Inc. Monomer recovery from multi-component materials
US5495015A (en) * 1994-12-12 1996-02-27 Basf Aktiengesellschaft Process for producing caprolactam through hydrolytic cleavage of molten polycaprolactam
KR100316687B1 (ko) * 1994-12-27 2002-02-19 전 원 중 유기불순물을함유한저순도카프로락탐의정제방법
US5656757A (en) * 1995-08-10 1997-08-12 Alliedsignal Inc. Monomer recovery from multi-component materials
US5722603A (en) * 1995-11-28 1998-03-03 Alliedsignal Inc. /Dsm N.V. Process for separation and recovery of waste carpet components
US5681952A (en) * 1995-12-08 1997-10-28 Alliedsignal Inc. Process for depolymerizing nylon-containing waste to form 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
US6182913B1 (en) 1999-01-25 2001-02-06 Interface, Inc. Method and apparatus for reclaiming carpet components
AU2698600A (en) * 1999-02-26 2000-09-14 Dsm N.V. A process for recovering caprolactam and steam
EP1173419B1 (en) * 1999-04-23 2006-11-02 DSM IP Assets B.V. Process for nylon depolymerization
EP1104753A1 (en) * 1999-12-03 2001-06-06 Dsm N.V. Process for recovering monomeric units of a nylon from whole carpet
WO2002010228A2 (en) * 2000-07-27 2002-02-07 E.I. Dupont De Nemours And Company Transformation of polymers to useful chemicals by oxidation
DE10333538B4 (de) * 2003-07-23 2008-04-10 Lurgi Zimmer Gmbh Verfahren zur Behandlung Polyamid-haltiger Abfälle mit der Wiederaufbereitung des Depolymerisationsrückstandes
US8113448B2 (en) 2009-04-22 2012-02-14 Keating Joseph Z Methods of recycling carpet components and carpet components formed thereform
JP5610383B2 (ja) * 2010-02-22 2014-10-22 地方独立行政法人山口県産業技術センター ポリオレフィン類を含む複合プラスチックの分離方法とその分離装置
IT202100028601A1 (it) * 2021-11-10 2023-05-10 Aquafil S P A Procedimento per produrre epsilon-caprolattame mediante depolimerizzazione di policaprolattame (pa6).
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
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
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
EP4306510A1 (en) 2022-07-11 2024-01-17 Cap Iii B.V. Process for the recovery of epsilon-caprolactam from nylon 6-containing multi-component material
WO2024175671A1 (en) 2023-02-22 2024-08-29 Basf Se Process for depolymerizing polyamide prepared from caprolactam
WO2025182802A1 (ja) * 2024-02-26 2025-09-04 三菱瓦斯化学株式会社 環状ラクタムの製造方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE518416A (es) *
DE2440243C2 (de) * 1974-08-22 1985-05-02 Dr. Illing GmbH & Co KG Makromolekulare Chemie, 6114 Groß-Umstadt Verfahren zur Herstellung von Caprolactam aus Polycaprolactam
US5169870A (en) * 1991-06-21 1992-12-08 Basf Corporation Reclaiming ε-caprolactam from nylon 6 carpet

Also Published As

Publication number Publication date
CA2144326A1 (en) 1994-03-31
CA2144326C (en) 2004-07-13
JPH08504182A (ja) 1996-05-07
US5977193A (en) 1999-11-02
EP0659176A1 (en) 1995-06-28
WO1994006763A1 (en) 1994-03-31

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Legal Events

Date Code Title Description
FG Grant or registration
MM Annulment or lapse due to non-payment of fees