DE69311734D1 - Depolymerisation von nylon 66 (und gegebenenfalls nylon 6) zur herstellung von hexamethylendiamin (und caprolactam) - Google Patents

Depolymerisation von nylon 66 (und gegebenenfalls nylon 6) zur herstellung von hexamethylendiamin (und caprolactam)

Info

Publication number
DE69311734D1
DE69311734D1 DE69311734T DE69311734T DE69311734D1 DE 69311734 D1 DE69311734 D1 DE 69311734D1 DE 69311734 T DE69311734 T DE 69311734T DE 69311734 T DE69311734 T DE 69311734T DE 69311734 D1 DE69311734 D1 DE 69311734D1
Authority
DE
Germany
Prior art keywords
nylon
depolymerisation
caprolactam
production
necessary
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
DE69311734T
Other languages
English (en)
Other versions
DE69311734T2 (de
Inventor
Edward Moran
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.)
Invista Technologies SARL USA
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Application granted granted Critical
Publication of DE69311734D1 publication Critical patent/DE69311734D1/de
Publication of DE69311734T2 publication Critical patent/DE69311734T2/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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
    • C07C209/62—Preparation of compounds containing amino groups bound to a carbon skeleton by cleaving carbon-to-nitrogen, sulfur-to-nitrogen, or phosphorus-to-nitrogen bonds, e.g. hydrolysis of amides, N-dealkylation of amines or quaternary ammonium compounds
DE69311734T 1992-10-19 1993-10-13 Depolymerisation von nylon 66 (und gegebenenfalls nylon 6) zur herstellung von hexamethylendiamin (und caprolactam) Expired - Lifetime DE69311734T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/963,224 US5266694A (en) 1992-10-19 1992-10-19 Nylon component reclamation
PCT/US1993/009543 WO1994008942A1 (en) 1992-10-19 1993-10-13 Depolymerization of nylon 6,6 (and optionally) nylon 6 to obtain hexamethylene diamine (and caprolactam)

Publications (2)

Publication Number Publication Date
DE69311734D1 true DE69311734D1 (de) 1997-07-24
DE69311734T2 DE69311734T2 (de) 1998-01-15

Family

ID=25506940

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69311734T Expired - Lifetime DE69311734T2 (de) 1992-10-19 1993-10-13 Depolymerisation von nylon 66 (und gegebenenfalls nylon 6) zur herstellung von hexamethylendiamin (und caprolactam)

Country Status (8)

Country Link
US (1) US5266694A (de)
EP (1) EP0664787B1 (de)
JP (1) JP3285582B2 (de)
AU (1) AU672062B2 (de)
CA (1) CA2146630C (de)
DE (1) DE69311734T2 (de)
ES (1) ES2104182T3 (de)
WO (1) WO1994008942A1 (de)

Families Citing this family (14)

* 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
US5536831A (en) * 1994-12-12 1996-07-16 Basf Aktiengesellschaft Obtaining caprolactam by cleavage of molten polycaprolactam
KR100316687B1 (ko) * 1994-12-27 2002-02-19 전 원 중 유기불순물을함유한저순도카프로락탐의정제방법
FR2736637B1 (fr) * 1995-07-12 1997-08-22 Rhone Poulenc Fibres & Polymer Procede de transformation de polyamides en composes comprenant de l'azote
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
NL1005942C2 (nl) * 1997-05-01 1998-11-03 Dsm Nv Depolymeriseren van polyamiden.
NL1006575C2 (nl) * 1997-07-14 1999-01-15 Dsm Nv Depolymeriseren van polyamiden.
US20020037939A1 (en) 2000-06-08 2002-03-28 Mckinnon Michael Stephen Solvent-based recovery and recycle of polyamide material
DE10029422A1 (de) * 2000-06-15 2001-12-20 Andreas Hornung Einstufiges Verfahren zur Rückgewinnung von hochreinem epsilon-Caprolactam aus Teppichböden oder Mischfasern
KR102036265B1 (ko) 2009-05-07 2019-10-24 게노마티카 인코포레이티드 아디페이트, 헥사메틸렌디아민 및 6-아미노카프로산의 생합성을 위한 미생물 및 방법
US8080506B2 (en) * 2009-07-14 2011-12-20 MSI Technology LLC. Reactive purge compound for polymer purging
CA3044099A1 (en) 2018-05-23 2019-11-23 2569924 Ontario Inc. Compositions and methods for removing contaminants from plastics processing equipment
WO2024040143A1 (en) * 2022-08-19 2024-02-22 Northwestern University Catalytic chemical recycling of polyamide-based plastics

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE518416A (de) *
NL260459A (de) * 1960-01-25 1964-04-27
NL283077A (de) * 1961-09-12
US3317519A (en) * 1965-05-21 1967-05-02 Allied Chem Simultaneous depolymerization of polycaproamide and polyester with recovery of caprolactam
JPS53132585A (en) * 1977-04-21 1978-11-18 Toyobo Co Ltd Recovery of epsilon-caprolactam
SE451464B (sv) * 1981-12-01 1987-10-12 Lumalampan Ab Forfarande och anordning for atervinning av kvicksilver ur avfall innehallande organiskt material
US4605762A (en) * 1982-04-23 1986-08-12 Celanese Mexicana S.A. Depolymerization of condensation polymers
DE3502105A1 (de) * 1985-01-23 1986-07-24 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von schiff'schen basen
CN87101541A (zh) * 1987-04-21 1988-11-02 营口县博洛铺助剂厂 一种生产己二酸、己二胺盐酸盐技术
JPH07131541A (ja) * 1993-11-02 1995-05-19 Oki Electric Ind Co Ltd ボイススイッチ

Also Published As

Publication number Publication date
ES2104182T3 (es) 1997-10-01
DE69311734T2 (de) 1998-01-15
EP0664787A1 (de) 1995-08-02
AU672062B2 (en) 1996-09-19
CA2146630A1 (en) 1994-04-28
EP0664787B1 (de) 1997-06-18
WO1994008942A1 (en) 1994-04-28
AU5321894A (en) 1994-05-09
JPH08502296A (ja) 1996-03-12
US5266694A (en) 1993-11-30
CA2146630C (en) 2003-05-27
JP3285582B2 (ja) 2002-05-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: INVISTA TECHNOLOGIES S.A.R.L., WILMINGTON, DEL, US

8328 Change in the person/name/address of the agent

Representative=s name: MARKS & CLERK, LUXEMBOURG, LU