ATE183501T1 - Wiedergewinnung von epsilon-caprolactam aus teppichabfallen - Google Patents

Wiedergewinnung von epsilon-caprolactam aus teppichabfallen

Info

Publication number: ATE183501T1
Authority: AT; Austria
Prior art keywords: caprolactam; epsilon; recovery; carpet waste; carpet
Prior art date: 1993-06-04

Application number

AT94201576T

Other languages

English (en)

Inventor

Antoon Hendrik Theres Halderit

Martin Booij

Jan Agnes Jozef Hendrix

Yvonne Helene Frentzen

Original Assignee

Dsm Nv

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.)

1993-06-04

Filing date

1994-06-02

Publication date

1999-09-15

1994-06-02 Application filed by Dsm Nv filed Critical Dsm Nv

1999-09-15 Application granted granted Critical

1999-09-15 Publication of ATE183501T1 publication Critical patent/ATE183501T1/de

Links

JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 title abstract 8
238000011084 recovery Methods 0.000 title 1
239000002699 waste material Substances 0.000 title 1
239000000203 mixture Substances 0.000 abstract 2
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 1
229920002292 Nylon 6 Polymers 0.000 abstract 1
239000003054 catalyst Substances 0.000 abstract 1
229910052739 hydrogen Inorganic materials 0.000 abstract 1
239000001257 hydrogen Substances 0.000 abstract 1
238000005984 hydrogenation reaction Methods 0.000 abstract 1
238000000034 method Methods 0.000 abstract 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1

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
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
- C07D201/16—Separation or purification

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Polyamides (AREA)
Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Fertilizers (AREA)
Carpets (AREA)
Processing Of Solid Wastes (AREA)
Other In-Based Heterocyclic Compounds (AREA)

AT94201576T 1993-06-04 1994-06-02 Wiedergewinnung von epsilon-caprolactam aus teppichabfallen ATE183501T1 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL9300963		1993-06-04

Publications (1)

Publication Number	Publication Date
ATE183501T1 true ATE183501T1 (de)	1999-09-15

Family

ID=19862486

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT94201576T ATE183501T1 (de)	1993-06-04	1994-06-02	Wiedergewinnung von epsilon-caprolactam aus teppichabfallen

Country Status (7)

Country	Link
US (1)	US5556890A (de)
EP (1)	EP0627417B1 (de)
AT (1)	ATE183501T1 (de)
DE (1)	DE69420075T2 (de)
DK (1)	DK0627417T3 (de)
ES (1)	ES2136697T3 (de)
SG (1)	SG50773A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL1000781C2 (nl) *	1995-07-12	1997-01-14	Dsm Nv	Werkwijze voor het winnen van caprolactam uit nylon-6 bevattende afval.
US5681952A (en) *	1995-12-08	1997-10-28	Alliedsignal Inc.	Process for depolymerizing nylon-containing waste to form caprolactam
US5948908A (en) *	1996-03-18	1999-09-07	Alliedsignal Inc.	Process for depolymerizing polycaprolactam processing 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
DE19753377B4 (de) *	1997-12-02	2008-07-10	Lurgi Zimmer Gmbh	Verfahren zur Herstellung von ε-Caprolactam aus Extraktwasser der PA-6-Synthese
US7022844B2 (en)	2002-09-21	2006-04-04	Honeywell International Inc.	Amide-based compounds, production, recovery, purification and uses thereof
BRPI0412833A (pt) *	2003-07-25	2006-09-26	Dsm Ip Assets Bv	processo para purificar caprolactamas
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
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
EP4306510A1 (de) *	2022-07-11	2024-01-17	Cap Iii B.V.	Verfahren zur rückgewinnung von epsilon-caprolactam aus nylon-6-haltigem mehrkomponentenmaterial

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1253716B (de) *	1961-09-28	1967-11-09	Basf Ag	Verfahren zur Reinigung von Lactamen
DE1244024B (de) *	1962-06-29	1967-07-06	Deutsche Telephonwerk Kabel	Schaltungsanordnung zur selbsttaetigen Fest- und Einstellung eines Messbereichs von elektrischen Strom- und Spannungs-Messeinrichtungen in Fernmelde- bzw. Fernmessanlagen
GB1172997A (en) *	1966-07-22	1969-12-03	Ici Ltd	Monomeric Compounds from Polyamides
GB1271041A (en) *	1968-09-10	1972-04-19	Courtaulds Ltd	Improvements in and relating to the manufacturing of polycaproamide
JPS5313636B2 (de) *	1973-10-01	1978-05-11
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
JPS52108991A (en) *	1976-03-09	1977-09-12	Toyobo Co Ltd	Purification of lactam
JPS52111585A (en) *	1976-03-11	1977-09-19	Toyobo Co Ltd	Purification of lactam
JPS53132585A (en) *	1977-04-21	1978-11-18	Toyobo Co Ltd	Recovery of epsilon-caprolactam
NL8303028A (nl) *	1983-08-31	1985-03-18	Stamicarbon	Winning van caprolactam uit caprolactam-bevattend destillatie-residu.
JPH01121801A (ja) *	1987-11-06	1989-05-15	Matsushita Electric Ind Co Ltd	カラーフィルタの製造法
JPH01167807A (ja) *	1987-12-24	1989-07-03	Matsushita Electric Ind Co Ltd	カラーフィルタの製造方法
DE3925575A1 (de) *	1989-08-02	1991-02-07	Basf Ag	Verfahren zur kontinuierlichen reinigung von caprolactam
US5169870A (en) *	1991-06-21	1992-12-08	Basf Corporation	Reclaiming ε-caprolactam from nylon 6 carpet

1994
- 1994-06-02 EP EP94201576A patent/EP0627417B1/de not_active Expired - Lifetime
- 1994-06-02 DE DE69420075T patent/DE69420075T2/de not_active Expired - Fee Related
- 1994-06-02 US US08/253,010 patent/US5556890A/en not_active Expired - Lifetime
- 1994-06-02 DK DK94201576T patent/DK0627417T3/da active
- 1994-06-02 SG SG1996011153A patent/SG50773A1/en unknown
- 1994-06-02 AT AT94201576T patent/ATE183501T1/de not_active IP Right Cessation
- 1994-06-02 ES ES94201576T patent/ES2136697T3/es not_active Expired - Lifetime

Also Published As

Publication number	Publication date
DE69420075D1 (de)	1999-09-23
DE69420075T2 (de)	2000-04-13
SG50773A1 (en)	1998-07-20
EP0627417B1 (de)	1999-08-18
US5556890A (en)	1996-09-17
EP0627417A1 (de)	1994-12-07
ES2136697T3 (es)	1999-12-01
DK0627417T3 (da)	2000-03-13

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Legal Events

Date	Code	Title	Description
2000-03-15	UEP	Publication of translation of european patent specification
2003-03-15	REN	Ceased due to non-payment of the annual fee