DE69309713D1 - Ammonolyse von nylon - Google Patents

Ammonolyse von nylon

Info

Publication number
DE69309713D1
DE69309713D1 DE69309713T DE69309713T DE69309713D1 DE 69309713 D1 DE69309713 D1 DE 69309713D1 DE 69309713 T DE69309713 T DE 69309713T DE 69309713 T DE69309713 T DE 69309713T DE 69309713 D1 DE69309713 D1 DE 69309713D1
Authority
DE
Germany
Prior art keywords
ammonolysis
nylon
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
DE69309713T
Other languages
English (en)
Other versions
DE69309713T2 (de
Inventor
Ronald Mckinney
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
Publication of DE69309713D1 publication Critical patent/DE69309713D1/de
Application granted granted Critical
Publication of DE69309713T2 publication Critical patent/DE69309713T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Polyamides (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
DE69309713T 1992-12-23 1993-12-07 Ammonolyse von nylon Expired - Lifetime DE69309713T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/997,612 US5302756A (en) 1992-12-23 1992-12-23 Ammonolysis of nylon
PCT/US1993/011634 WO1994014752A1 (en) 1992-12-23 1993-12-07 Ammonolysis of nylon

Publications (2)

Publication Number Publication Date
DE69309713D1 true DE69309713D1 (de) 1997-05-15
DE69309713T2 DE69309713T2 (de) 1997-11-20

Family

ID=25544212

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69309713T Expired - Lifetime DE69309713T2 (de) 1992-12-23 1993-12-07 Ammonolyse von nylon

Country Status (7)

Country Link
US (1) US5302756A (de)
EP (1) EP0675871B1 (de)
JP (1) JPH08504814A (de)
AU (1) AU672083B2 (de)
CA (1) CA2151808C (de)
DE (1) DE69309713T2 (de)
WO (1) WO1994014752A1 (de)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1009330A3 (nl) * 1995-04-14 1997-02-04 Dsm Nv Depolymeriseren van polyamiden.
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
US6627046B1 (en) 2000-01-21 2003-09-30 E. I. Du Pont De Nemours And Company Separation of the products of polyamide ammonolysis
US6331624B1 (en) 2000-04-05 2001-12-18 E.I. Du Pont De Nemours And Company Process for preparing 6-aminocaproamide
FR2850966B1 (fr) * 2003-02-10 2005-03-18 Rhodia Polyamide Intermediates Procede de fabrication de composes dinitriles
US7154004B2 (en) * 2003-02-24 2006-12-26 Wisconsin Alumni Research Foundation Catalytic transamidation and amide metathesis under moderate conditions
FR2854891B1 (fr) 2003-05-12 2006-07-07 Rhodia Polyamide Intermediates Procede de preparation de dinitriles
US7899170B2 (en) 2005-04-28 2011-03-01 Apple Inc. Multi-participant conference setup
WO2007046799A1 (en) * 2005-10-18 2007-04-26 Invista Technologies S.A R.L. Process of making 3-aminopentanenitrile
EP2395010B1 (de) * 2006-03-17 2016-07-13 Invista Technologies S.à.r.l. Verfahren zur Reinigung von Triorganophosphiten durch Bearbeitung mit einem basischen Zusatz
US7919646B2 (en) * 2006-07-14 2011-04-05 Invista North America S.A R.L. Hydrocyanation of 2-pentenenitrile
US7880028B2 (en) * 2006-07-14 2011-02-01 Invista North America S.A R.L. Process for making 3-pentenenitrile by hydrocyanation of butadiene
CN101687658B (zh) 2007-05-14 2013-07-24 因温斯特技术公司 高效反应器和方法
WO2008157218A1 (en) * 2007-06-13 2008-12-24 Invista Technologies S.A.R.L. Process for improving adiponitrile quality
CN101423623B (zh) * 2007-11-02 2011-05-11 宁波大学 一种耐高温尼龙聚对苯二甲酰己二胺的解聚回收方法
CN101910119B (zh) * 2008-01-15 2013-05-29 因温斯特技术公司 用于制备和精制3-戊烯腈，和用于精制2-甲基-3-丁烯腈的方法
CN101918356B (zh) * 2008-01-15 2013-09-25 因温斯特技术公司 戊烯腈的氢氰化
EP2407444A3 (de) * 2008-03-19 2012-12-05 Invista Technologies S.à.r.l. Verfahren zur Herstellung von Dodecandicarbonsäure
CN102177122B (zh) * 2008-10-14 2013-12-11 因温斯特技术公司 用于制备2-仲烷基-4，5-二-(正烷基)苯酚的方法
KR102099295B1 (ko) 2009-05-07 2020-04-09 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
WO2011017543A1 (en) * 2009-08-07 2011-02-10 Invista Technologies S.A. R.L. Hydrogenation and esterification to form diesters
US9193865B2 (en) 2012-09-27 2015-11-24 E I Du Pont De Nemours And Company Polyamides having improved anti-delamination
US9023903B2 (en) 2012-09-27 2015-05-05 E I Du Pont De Nemours And Company Reinforced polyamides having improved anti-delamination
US9109114B2 (en) 2012-09-27 2015-08-18 E I Du Pont De Nemours And Company Polyamides having improved anti-delamination
CN107056625B (zh) * 2017-06-07 2019-04-23 巢湖市鼎盛渔具有限公司 一种聚酰胺-66渔网废料的回收方法
CA3044099A1 (en) 2018-05-23 2019-11-23 2569924 Ontario Inc. Compositions and methods for removing contaminants from plastics processing equipment
EP4337722A1 (de) * 2021-05-14 2024-03-20 Research Triangle Institute Depolymerisation von polymeren mit ammoniak und aminen

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA739505A (en) * 1966-07-26 Romani Roberto Continuous process for producing adiponitrile
CA715592A (en) * 1965-08-10 Romani Roberto Process for separating the useful products obtained from adipic acid and ammonia reaction mixtures
US2343174A (en) * 1940-08-02 1944-02-29 Du Pont Treatment for polyamides
DE1226093B (de) * 1961-02-01 1966-10-06 Monsanto Co Verfahren zur kontinuierlichen Gewinnung von Adipinsaeuredinitril aus delta-Cyan-valeramid enthaltenden Destillationsrueckstaenden
GB1172997A (en) * 1966-07-22 1969-12-03 Ici Ltd Monomeric Compounds from Polyamides
CA907060A (en) * 1969-07-11 1972-08-08 J. Paquin Rene Manufacture of diamines
US4085130A (en) * 1969-09-10 1978-04-18 Phillips Petroleum Company Ammonialytic cleavage of lactams to ω-aminonitriles
US3812055A (en) * 1971-11-24 1974-05-21 Key Chem Inc Mixed alumina dispersions
JPS5139608A (ja) * 1974-10-02 1976-04-02 Toray Industries Hekisamechirenjiaminno seizohoho
JPS5328893A (en) * 1976-07-26 1978-03-17 Tipton Mfg Corp Fully automtaic planetary turning type barrel cutting machine
JPS5484525A (en) * 1977-12-16 1979-07-05 Toray Ind Inc Continuous preparation of -aminoalkanonitrile
US4720328A (en) * 1981-06-26 1988-01-19 Akzona Incorporated Method for removing impurities from caprolactam
US4973746A (en) * 1988-10-24 1990-11-27 General Electric Company Process for converting pet scrap to diamine monomers

Also Published As

Publication number Publication date
EP0675871B1 (de) 1997-04-09
CA2151808C (en) 2003-10-14
DE69309713T2 (de) 1997-11-20
AU5733794A (en) 1994-07-19
US5302756A (en) 1994-04-12
EP0675871A1 (de) 1995-10-11
CA2151808A1 (en) 1994-07-07
AU672083B2 (en) 1996-09-19
WO1994014752A1 (en) 1994-07-07
JPH08504814A (ja) 1996-05-28

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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